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The Coastal Archaeology and
Dune Geoarchaeology of Lake
Michigan
                                                                  William A. Lovis
Presented by William A. Lovis                                Department of Anthropology
                                                                   MSU Museum
                                                              Michigan State University

                                                                   Alan F. Arbogast
                                                                Department of Geography
                                                                Michigan State University

                                                                 G. William Monaghan
                                                                    Glenn A. Black
                                                               Laboratory of Archaeology
                                                                   Mathers Museum
                                                                  Indiana University
                                                               Teaching Climate Change: Insight from Large Lakes
                                                              Science Education Resource Center, Carleton College
                                                               American Quaternary Association Biennial Meeting
                                                         Large Lakes Observatory and Department of Geological Sciences
                                                                            University of Minnesota
                                                                                  Duluth MN
                                                                               19-20 June 2012
          (Photo by A. Arbogast; used with permission)
Graphic by G. W. Monaghan. Modified from Monaghan and Lovis (2005; Table 3-1)
 The basins varied in
  configuration
 Relative to changing
  elevations or water
  planes
 High lake levels in one
  basin may correlate with
  lows in others

  (Graphics modified from original by Rob MacDonald)
(Graphic by R. MacDonald from original by W.A. Lovis)
(Modified from graphic by R. MacDonald)
 This period was
                                                               characterized by mobile
                                                               hunters and gathers.
                                                              PaleoIndians hunted
                                                               caribou, and actively
                                                               scavenged mastodon.
                                                              They made stylistically
                                                               distinctive spear points.
                                                              Some of their
                                                               occupations are found
(Photo by W. Lovis; MSU Museum Archaeological Collections)
                                                               on relict beach ridges of
                                                               early lake stages.
 Adept   hunters
                                                               of deer using
                                                               the atlatl or
                                                               spear thrower
                                                              Intensive acorn,
                                                               walnut and
                                                               hickory nut
                                                               collectors
                                                              Early exploiters
(Photo by W. Lovis; MSU Museum Archaeological Collections)     of native copper
 These people
                                                              participated in
                                                              exchange systems
                                                              so vast that they
                                                              brought Gulf Coast
                                                              conch shells to the
                                                              upper Great Lakes,
                                                              and Lake Superior
                                                              copper was
                                                              transported across
                                                              the Eastern United
                                                              States
(Photo by W. Lovis; MSU Museum Archaeological Collections)
(Photos by W. Lovis; MSU Museum Archaeological Collections)
(Photos by W. Lovis;
 right -MSU Museum Archaeological Collections;
left - State of Michigan Archaeological Collections)
 The Woodland period begins variously around
  2000 to 2500 years ago across the Great Lakes
 It was initially defined on the basis of ceramic
  technology, and divided into three subperiods
 Woodland peoples domesticated indigenous
  seed plants as well as tropical newcomers such
  as squash and corn (maize)
 Many village sites are found in coastal zones due
  to the moderating lake effects of the Great Lakes
An uncarbonized Cucurbita pepo (pepo?           Cucurbita Rind (BorderlineDomestic
ovifera?) seed (ca 16x8 mm) collected           Variety) From the Marquette Viaduct Site.
from organic deposits 3 m deep adjacent         Note That Squash is NOT Indigenous to
to the Green Point Site.                        Michigan.
Sample dated 3064-2844 cal BP                   Sample dated 4516–4248 cal BP




 (Photo by G. Monaghan, used with permission)        (Photo by G. Urquhart, used with permission)
BP/ AD-BC
 0/2000


                                                                              Late
             Limited Common bean (Phaseolus vulgaris)                       Woodland
             Maize (Zea mays mays) macrobotanicals relatively abundant
 1000/1000



             Limited Maize (Zea mays mays) macrobotanicals
             Wild Rice (Zizania aquatica)                                    Early &
                                                                             Middle
                                                                            Woodland
2000/ 0

             Earliest Maize (Zea mays mays) microbotanicals
             EAC Sunflower (Helianthus annuus)
             EAC Limited Goosefoot/Lambsquarter (Chenopodium sp)
3000/1000    EAC Limited non indigenous sumpweed (Iva annua)
                                                                              Late
             EAC Large domestic Squash Variety (C. pepo)                     Archaic
             EAC Small domestic Squash Variety (C. pepo)



4000/2000    EAC Possible non indigenous domestic Squash (Cucurbita pepo)
Note the position
                                                    of the primary 140
                                                    frost free day
                                                    contour line
                                                    across the lower
                                                    and upper
                                                    peninsulas of
                                                    Michigan.
                                                    AsaYarnell
                                                    presented a
                                                    slightly
                                                    different contour
                                                    map in his major
                                                    1964 work.
(http://www.epa.gov/glnpo/atlas/images/big03.gif)
   Left – pottery rim section from the Upper Great
                                  Lakes Laurel culture
                                 Middle – Hopewell style pottery from the
                                  southern Great Lakes
                                 Right – Late Woodland cordmarked pottery from
                                  southern Michigan




   (Photo by A. Fortier;
     State of Michigan
Archaeological Collections,
  used with permission)




               (Photos by W. Lovis; MSU Museum Archaeological Collections)
 Woodland peoples,
                                                               and their Upper
                                                               Mississippian
                                                               counterparts, built
                                                               burial and effigy
(Photo by W. Lovis; MSU Museum Archaeological Collections)     mounds, and
                                                               earthworks
                                                              They mastered the
                                                               use of the bow and
                                                               arrow
                                                              And developed
                                                               elegant fishing
                                                               technologies based
                                                               on spears and gill
                                                               nets
   To synthesize existing geomorphological, geological,
    and archaeological data on coastal dunes, and to
    gather supplementary information from fieldwork as
    appropriate
   To better understand the processes responsible for the
    cycling of coastal dune activation and stabilization
   To better understand the contexts, both landforms, and
    elevations, in which coastal dunes are formed
   To better understand the ages and timing of coastal
    dune formation and cycling
   To better understand the ages and contexts in which
    archaeological sites will be formed and preserved
 Dune  geomorphological documentation
  of eolian activation and stabilization
  cycles
 Coastal geology and glacial geology
  documentation of uplift, subsidence,
  outlet incision, lake level fluctuation,
  beach terrace formation
 Archaeological documentation of burial
  and stratification in coastal and dune
  contexts
(Photo by A. Arbogast; used with permission)
Canada


                    Lake Superior



                                           La
                                             ke
        1) westerly winds                         H
                                                      ur
                                                        on                               ta   rio
                                                                                  e   On
                                                                            Lak

                                    3) Lot’s of sand!                  ie
                                                                   e Er
                                                               k
Mississippi River                                            La



      2) long fetch (~ 110 km)
                                                                             U.S.
         across Lake Michigan

                            America’s North
This Regional Map Shows
                                                 the Distribution of Dunes
                                                 and Dune Fields in
                                                 Michigan, Displaying
                                                 the Primary and Secondary
                                                 Project Study Areas
                                                 Along the Coastal Zone of
                                                 Lake Michigan in
                                                 Michigan.




(Graphic by G. Monaghan, used with permission)
(Graphic and photo by A. Arbogast, used with permission)
OSL date of
920±90 BP/
1080 AD from
18m below the
dune crest,
from below soil
zones, but at
uppermost part
of Unit 1 eolian
sand.
Three Curves Modeling Changes in Water Levels
             During the Mid- To Late- Holocene
            Corrected for Uplift Near Port Huron




        (Graphic by G. W. Monaghan, used with permission)
Jan
1996

       Feb
       2007
Di
  re
    ct
       io
         n
             of
                  Up
                       lif
                             t
(Graphic by G. Monaghan; used with permission)
(Photo by W. Lovis; used with permission)
O’Neil Site
(20CX18),
Charlevoix County,
Michigan
Note stratification in swale behind
foredune complex adjacent to
Inwood Creek. Basal occupation
dates ca. A.D. 1200, upper soil
horizon was stable by the turn of the
18th century A.D.

(Photo by W. Lovis, graphic from Lovis
1973; used with permission)
2163-1856 cal BP


                       1873-1280 cal BP
                       2043-1512 cal BP




This site sits atop high dunes at Petoskey. The basal occupation is primarily Middle
Woodland, the upper occupation is primarily Late Woodland. Initial stabilization
occurred ca. 0 A.D. (Photo by W. Lovis, used with permission)
Conventional 14C Dating
 Existing dates recalibrated and placed stratigraphically; limited
 new dates obtained on charcoal incorporated into existing
 sequence

Accelerator Mass Spectrometer (AMS)
 Dating of small samples of carbonized residues from ceramic
 sherds with good stratigraphic provenience, as well as small
 paleosol samples

Optically Stimulated Luminescence (OSL)
 Dating of samples of inorganics, primarily dune sands
 “sandwiching” stable organic deposits revealing soil formation,
 and possibly cultural use
 Previously
           Reported Sites Had
 Information of Variable Quality on
  • Assemblage Composition,
  • Stratigraphy and Formation Processes,
  • Ages and Dating
 These Data were Differentially Reported.
 We Needed to Develop Standard
  Procedures for Both Known as Well as
  Newly Investigated Sites
Map showing the
                                                 locations of
                                                 archaeological sites and
                                                 dune sampling locales
                                                 around Lake Michigan.
                                                 The dashed line
                                                 indicates the
                                                 approximate position of
                                                 the Algonquin and
                                                 Nipissing “hinge line”;
                                                 after Leverett and
                                                 Taylor (1915). Areas of
                                                 presumed subsidence
                                                 and uplift are labeled
                                                 on either side of the
                                                 “hinge line.”
(Graphic by G. Monaghan; used with permission)
(Photos by W. Lovis:
used with permission)   Winter site composite stratigraphy of Richner’s            Ekdahl-Goudreau site composite stratigraphy as described
                        archaeological units and noted from GeoProbe core. Note:   by UMMA field notes and that noted from the GeoProbe
                        units depths and boundaries are approximate.               core. Note: unit depths and boundaries are approximate.

                                                   (Graphics by G. Monaghan; used with permission)
Oneota Shell Tempered




Juntunen Drag and Jab




   Mackinac Punctate

                        (Photos and graphic by W. Lovis; used with permission)
The Eastport Site, Antrim County, MI
                                                                    616’/187.75m
         Eolian Sand
         Paleosol
         Leached B/E                                                614’/187.15m
         Spodosols
         Lacustrine Sand
         Artifact Zone                                              612’/186.54m



                                                                    610’/185.93m



                                                                    608’/185.32m
OSL 5150±390 B.P.
 In Eolian Sand at
Village of Eastport                Unit 1/Unit 2
                                   Composite

                      (Graphic by W. Lovis; used with permission)
(Photo by W. Lovis; used with prmission)
Results of 2007 14C and OSL Dating
   The Camp Miniwanca Site, Oceana Co, MI
                                      • Wood charcoal from hearth in buried
                                      paleosol identified by Dr. Frank Telewski as
                          20+ Meters! Picea sp., spruce. Tight growth rings
                                      reveal a stressed environment.
                                      • A 14C date of 820±40 BP from a hearth with
                                      ceramics, chipped stone, and bone cal. BP
                                      730/AD 1220.



                             OSL ages
                          870±80 BP above



                           920±80 BP below



(Photos by W. Lovis, graphic by G. Monaghan, used with permission)
Procedures for GeoProbeTM OSL Sampling
                                    Step 1: Once a sample location has been selected
                                    on a larger site, position GeoProbeTM and take visible
                                    solid core to the appropriate stratigraphic depth.
                                    Photo at left is Bill Monaghan coring at Winter site.


                                                               Step 2: Assess stratigraphy
                                                               within the core. Ascertain
                                                               whether OSL sample is appro-
                                                               priate, and from what depth
                                                               within the stratigraphic section.
                                                               Photo at left is from Winter site.




(Photos by W. A. Lovis; used with
permission)


Step 3: Properly record stratigraphy in terms of
standard criterion such as color, texture, grain
size, organic content. Again determine at what
depth the OSL sample should be taken. Photo
at right is at Ekdahl-Goudreau/Seul Choix site.
Procedures for GeoProbeTM OSL Sampling
          Step 4: Repeat the coring procedure at least once, and
          possibly twice. It is necessary to obtain a control, or
          Gamma, sample, which does not need to be light tight.
          More importantly it is necessary to obtain a light tight,
          sealed sample for OSL dating. Thus, the core tube is
          blackened, and covered with duct tape. It is “blind”,
          which is why depth assessment is critical since the
          sealed sample tube is cut at the appropriate location.
          Photo at left is the Ekdahl-Goudreau/Seul Choix site.

                           Step 5: Appropriately field archive all
                           samples, both OSL, and Gamma, as
                           well as preserved solid cores with
                           visible stratigraphy. Document UTM
                           and Lat/Long locations of cores using
                           reasonably accurate GPS device. As
                           necessary, appropriate, or required,
                           backfill core holes with BentoniteTM clay
                           to prohibit contaminant seepage into
                           groundwater. Photo at left shows solid
                           cores from Winter site.

                           (Photos by W. A. Lovis; used with permission)
(Photo by A. Arbogast; used with permission)
Sample transect through dune ridges between the
   Nipissing wave terrace and the Lake Michigan beach,
               Antrim Creek Natural Area.
       West – Lake Michigan                                      East - Inland




•Not to scale
•Graphic by A. Arbogast and G. Monaghan, used with permission)
(Photo by A. Arbogast; used with permission)
Mt. McSauba Site, City of Charlevoix
                      Organic horizon with cultural material.
                       Modern 14C date on wood detritus.
                          (Cal 2C B.P. 305[229-132]0)
                       OSL date on underlying sand.
                                 740±70 B.P.


                  Late Woodland ceramic vessel base
                  eroding from the buried organic horizon.
                  Decoration suggests age of ca. 1000-
                  1200 AD. See the rim sherds illustrated
                  below.
                       (Photographs by W. Lovis; used with permission)
The Winter Site, Delta County, MI
                                                                         The Winter site was AMS
                                                                         dated using carbonized
                                                                         food residues adhering
                                                                         to the interiors of ceramic
                                                                         vessels. The basal
                                                                         occupation horizon was
                                                                         dated from two sherds, a
                                                                         Plain sherd, and a North
                                                                         Bay Corded sherd. The
                                                                         middle/upper horizon was
                                                                         dated from a single sherd
                                                                         of Vertical Corded pottery.
                                                                          The dates on the lower
                                                                         horizon are statistically
                                                                         identical. The date on the
                                                                         middle/upper horizon is
                                                                         both earlier, and not
                                                                         identical. This suggests
                                                  Photos by W. Lovis;    that these stable horizons
                                                 used with permission)   are all very close in time.
                                                                         The basal OSL date is
                                                                         earlier than all of the AMS
(Graphic by G. Monaghan; used with permission)                           dates.
The Scott Point Site,                      Dated diagnostic ceramic rims from
    Mackinac County,                          the top 30 cm of the deposits
                                              include a Juntunen Drag and Jab
              MI
   Mean Pooled Age
                                              and an Oneota Shell tempered rim
                                              producing statistically identical dates
 Cal BP 865±28/AD 1085                        with a mean pooled age of cal BP
                                              865. This reveals that the last
                                              stabilization of the site took place
                                              ca. A.D. 1085.

                                              The base of the deposits were dated
                                              on the basis of a diagnostic
                          400 yrs             Mackinac Ware rim producing an
                                              age of cal AD 770. This date is
                                              consistent with the known age of the
                                              ware, and indicates that the basal
                                              EXCAVATED deposits at 1.5 mbs
                                              were stable ca. A.D. 700-800.


Cal BP 1270-1068/AD 670-890

                                    Oneota Shell Tempered   Juntunen Drag and Jab   Mackinac Punctate
 Based  on our sample, there are very few
  Nipissing age dunes, i.e. pre- 4000 B.P., and
  they are relatively small.
 There is a surge in dune growth frequency,
  intensity, and size ca. 3200 to 2000 B.P.
 Dune activation slows and reduces in intensity
  between ca. 2000 and 1000 B.P.
 Dunes again become more active from 1000 B.P.
  to 700 B.P.
Probability Density Distribution of all OSL Dates:
University of Illinois-Chicago, and University of Sheffield
(Function Plot by Steve Forman, UI-C)
OSL Probability Density Distribution
                Source: Steven L. Forman




         Medieval Warm Period?




                      Largest Dunes Form


                                         Few
                                       Nipissing
                                        Dunes




  1000   2000         3000        4000     5000
           OSL Age Estimate
Foredune
                      East of Marquette Michigan
                     South shore of Lake Superior
         Dune has grown ~1.3m+ since May 2010
Bottom edge of dune grass marks former dune crest
        (Photos and composite by W. Lovis, used with permission)
Three Holocene Lake Level Curves proposed
                                    for Lakes Michigan and Huron




Basis of Lake-Level Curves:
Larsen (1985): 14C ages from beach ridges, mainly in
southern Lake Michigan.
Thompson et.al. (2004): sedimentology of sets of
recessional beaches within embayments.
Monaghan and Lovis (2005): 14C ages of beaches,
transgressions in mouth of rivers and archaeological
sites, mainly southern Lake Huron (Saginaw Bay).
Points of Agreement: three broad intervals
High water events 6-4 kya
Low water (or stable?) interval ca 4-2 kya
Fluctuating levels (alternating high/low) post-2 kya
(Graphic by G. Monaghan, used with permission)
Sample Transect Through the Torch Bay
     Nature Preserve Between the Nipissing
         Shoreline and Lake Michigan.

         West – Lake Michigan                                East - Inland




Not to scale
(Graphic by A. Arbogast and G. Monaghan, used with permission)
Fisherman’s Island State Park transect
  across increasingly younger dune ridges.
    West – Lake Michigan                         East - Inland



                   Campground Loop Transect

                 2180-2660 ya




Not to scale
(Graphic by A. Arbogast, used with permission)
Map showing
zones on the
Lake Michigan
shoreline
where groups
of processes
dominate to
create specific
types of
beaches, dunes
and
archaeological
sites.
Descriptive model
of middle and late
Holocene
shoreline and dune
development in
areas of
subsidence or
stability along the
southern and
southeastern shore
of Lake Michigan.
Descriptive model
of middle and late
Holocene
shoreline and
dune development
in areas of rapid
uplift along the
northern and
northeastern
shore of Lake
Michigan.
Diagrammatic
model of the
formation, burial
and stratification
of archaeological
sites in areas of
rapid uplift on the
northern and
northeastern
shore of Lake
Michigan.
Potential Human – Dune Landscape
             Interactions North of the
             Zone of Isostatic Rebound
 Human occupation is normally BEHIND dune crests, most often in a hollow or
the swale behind the foredune

 Occupation surfaces most likely are not stable, and they do not display the
normal signatures of soil formation. This suggests they may be induced as the
product of human enhancement rather than natural pedogenic processes. They
are anthropogenic horizons, and may not be formal paleosols.

 Organic enhancement occurs with the introduction of charcoal, oils and fats,
charred bone, and organic debris. This organic enhancement fosters rapid
vegetative growth in protected and occupied swales and hollows.

 Human foot traffic over lakeward positioned dune crests results in local level
mobilization of the sand supply. Eolian activity deposits a veneer of inorganic
sands of varying depth over the organic occupation surface. This process may
occur once, resulting in burial of a single occupation, or cyclically resulting in
stratification.
And South of the Hinge Line . . . ?
Thanks for Your Attention
   Michigan Department of Transportation
   Michigan Department of Natural Resources
   Michigan Department of Environmental Quality
   Michigan Office of the State Archaeologist
   USDA Forest Service, Hiawatha National Forest
   Antrim County Planning Commission
   Torch Lake Township
   National Park Service, Midwest Archaeological Center
   Northern Michigan University
   Museum of Anthropology, University of Michigan
   Department of Anthropology, Western Michigan University
   Department of Anthropology, Grand Valley State University
   Dr. David Ruggles
   Dr. James Robertson
   Barbara Mead
   Jeff Richner
   Dr. Marla Buckmaster
   Dr. Michael Nassaney
   Dr. William Cremin
   Glenn Palmgren
   Dr. Janet Brashler
   Dr. John O’Shea
   Robert Spencer
   Dr. Charles Cleland
   John Franzen
   Jennifer Holmstadt
   Frank and Sandra Sakowski
   Dr. Diane Portfleet
   Eric Drake
   Jeanne Kokx
   Sue Rose
   Lynn Hyslop
   James Phillips
   Stevan Christianson
   Dr. Steven L. Forman
   Dr. John R. Halsey
The End

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Semelhante a The Coastal Archaeology and Dune Geoarchaeology of Lake Michigan

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The Coastal Archaeology and Dune Geoarchaeology of Lake Michigan

  • 1. The Coastal Archaeology and Dune Geoarchaeology of Lake Michigan William A. Lovis Presented by William A. Lovis Department of Anthropology MSU Museum Michigan State University Alan F. Arbogast Department of Geography Michigan State University G. William Monaghan Glenn A. Black Laboratory of Archaeology Mathers Museum Indiana University Teaching Climate Change: Insight from Large Lakes Science Education Resource Center, Carleton College American Quaternary Association Biennial Meeting Large Lakes Observatory and Department of Geological Sciences University of Minnesota Duluth MN 19-20 June 2012 (Photo by A. Arbogast; used with permission)
  • 2.
  • 3. Graphic by G. W. Monaghan. Modified from Monaghan and Lovis (2005; Table 3-1)
  • 4.  The basins varied in configuration  Relative to changing elevations or water planes  High lake levels in one basin may correlate with lows in others (Graphics modified from original by Rob MacDonald)
  • 5. (Graphic by R. MacDonald from original by W.A. Lovis)
  • 6. (Modified from graphic by R. MacDonald)
  • 7.  This period was characterized by mobile hunters and gathers.  PaleoIndians hunted caribou, and actively scavenged mastodon.  They made stylistically distinctive spear points.  Some of their occupations are found (Photo by W. Lovis; MSU Museum Archaeological Collections) on relict beach ridges of early lake stages.
  • 8.  Adept hunters of deer using the atlatl or spear thrower  Intensive acorn, walnut and hickory nut collectors  Early exploiters (Photo by W. Lovis; MSU Museum Archaeological Collections) of native copper
  • 9.  These people participated in exchange systems so vast that they brought Gulf Coast conch shells to the upper Great Lakes, and Lake Superior copper was transported across the Eastern United States (Photo by W. Lovis; MSU Museum Archaeological Collections)
  • 10. (Photos by W. Lovis; MSU Museum Archaeological Collections)
  • 11. (Photos by W. Lovis; right -MSU Museum Archaeological Collections; left - State of Michigan Archaeological Collections)
  • 12.  The Woodland period begins variously around 2000 to 2500 years ago across the Great Lakes  It was initially defined on the basis of ceramic technology, and divided into three subperiods  Woodland peoples domesticated indigenous seed plants as well as tropical newcomers such as squash and corn (maize)  Many village sites are found in coastal zones due to the moderating lake effects of the Great Lakes
  • 13. An uncarbonized Cucurbita pepo (pepo? Cucurbita Rind (BorderlineDomestic ovifera?) seed (ca 16x8 mm) collected Variety) From the Marquette Viaduct Site. from organic deposits 3 m deep adjacent Note That Squash is NOT Indigenous to to the Green Point Site. Michigan. Sample dated 3064-2844 cal BP Sample dated 4516–4248 cal BP (Photo by G. Monaghan, used with permission) (Photo by G. Urquhart, used with permission)
  • 14. BP/ AD-BC 0/2000 Late Limited Common bean (Phaseolus vulgaris) Woodland Maize (Zea mays mays) macrobotanicals relatively abundant 1000/1000 Limited Maize (Zea mays mays) macrobotanicals Wild Rice (Zizania aquatica) Early & Middle Woodland 2000/ 0 Earliest Maize (Zea mays mays) microbotanicals EAC Sunflower (Helianthus annuus) EAC Limited Goosefoot/Lambsquarter (Chenopodium sp) 3000/1000 EAC Limited non indigenous sumpweed (Iva annua) Late EAC Large domestic Squash Variety (C. pepo) Archaic EAC Small domestic Squash Variety (C. pepo) 4000/2000 EAC Possible non indigenous domestic Squash (Cucurbita pepo)
  • 15. Note the position of the primary 140 frost free day contour line across the lower and upper peninsulas of Michigan. AsaYarnell presented a slightly different contour map in his major 1964 work. (http://www.epa.gov/glnpo/atlas/images/big03.gif)
  • 16. Left – pottery rim section from the Upper Great Lakes Laurel culture  Middle – Hopewell style pottery from the southern Great Lakes  Right – Late Woodland cordmarked pottery from southern Michigan (Photo by A. Fortier; State of Michigan Archaeological Collections, used with permission) (Photos by W. Lovis; MSU Museum Archaeological Collections)
  • 17.  Woodland peoples, and their Upper Mississippian counterparts, built burial and effigy (Photo by W. Lovis; MSU Museum Archaeological Collections) mounds, and earthworks  They mastered the use of the bow and arrow  And developed elegant fishing technologies based on spears and gill nets
  • 18.
  • 19. To synthesize existing geomorphological, geological, and archaeological data on coastal dunes, and to gather supplementary information from fieldwork as appropriate  To better understand the processes responsible for the cycling of coastal dune activation and stabilization  To better understand the contexts, both landforms, and elevations, in which coastal dunes are formed  To better understand the ages and timing of coastal dune formation and cycling  To better understand the ages and contexts in which archaeological sites will be formed and preserved
  • 20.  Dune geomorphological documentation of eolian activation and stabilization cycles  Coastal geology and glacial geology documentation of uplift, subsidence, outlet incision, lake level fluctuation, beach terrace formation  Archaeological documentation of burial and stratification in coastal and dune contexts
  • 21. (Photo by A. Arbogast; used with permission)
  • 22. Canada Lake Superior La ke 1) westerly winds H ur on ta rio e On Lak 3) Lot’s of sand! ie e Er k Mississippi River La 2) long fetch (~ 110 km) U.S. across Lake Michigan America’s North
  • 23. This Regional Map Shows the Distribution of Dunes and Dune Fields in Michigan, Displaying the Primary and Secondary Project Study Areas Along the Coastal Zone of Lake Michigan in Michigan. (Graphic by G. Monaghan, used with permission)
  • 24. (Graphic and photo by A. Arbogast, used with permission)
  • 25. OSL date of 920±90 BP/ 1080 AD from 18m below the dune crest, from below soil zones, but at uppermost part of Unit 1 eolian sand.
  • 26. Three Curves Modeling Changes in Water Levels During the Mid- To Late- Holocene Corrected for Uplift Near Port Huron (Graphic by G. W. Monaghan, used with permission)
  • 27. Jan 1996 Feb 2007
  • 28.
  • 29. Di re ct io n of Up lif t
  • 30. (Graphic by G. Monaghan; used with permission)
  • 31. (Photo by W. Lovis; used with permission)
  • 32. O’Neil Site (20CX18), Charlevoix County, Michigan Note stratification in swale behind foredune complex adjacent to Inwood Creek. Basal occupation dates ca. A.D. 1200, upper soil horizon was stable by the turn of the 18th century A.D. (Photo by W. Lovis, graphic from Lovis 1973; used with permission)
  • 33. 2163-1856 cal BP 1873-1280 cal BP 2043-1512 cal BP This site sits atop high dunes at Petoskey. The basal occupation is primarily Middle Woodland, the upper occupation is primarily Late Woodland. Initial stabilization occurred ca. 0 A.D. (Photo by W. Lovis, used with permission)
  • 34. Conventional 14C Dating Existing dates recalibrated and placed stratigraphically; limited new dates obtained on charcoal incorporated into existing sequence Accelerator Mass Spectrometer (AMS) Dating of small samples of carbonized residues from ceramic sherds with good stratigraphic provenience, as well as small paleosol samples Optically Stimulated Luminescence (OSL) Dating of samples of inorganics, primarily dune sands “sandwiching” stable organic deposits revealing soil formation, and possibly cultural use
  • 35.  Previously Reported Sites Had Information of Variable Quality on • Assemblage Composition, • Stratigraphy and Formation Processes, • Ages and Dating  These Data were Differentially Reported.  We Needed to Develop Standard Procedures for Both Known as Well as Newly Investigated Sites
  • 36. Map showing the locations of archaeological sites and dune sampling locales around Lake Michigan. The dashed line indicates the approximate position of the Algonquin and Nipissing “hinge line”; after Leverett and Taylor (1915). Areas of presumed subsidence and uplift are labeled on either side of the “hinge line.” (Graphic by G. Monaghan; used with permission)
  • 37. (Photos by W. Lovis: used with permission) Winter site composite stratigraphy of Richner’s Ekdahl-Goudreau site composite stratigraphy as described archaeological units and noted from GeoProbe core. Note: by UMMA field notes and that noted from the GeoProbe units depths and boundaries are approximate. core. Note: unit depths and boundaries are approximate. (Graphics by G. Monaghan; used with permission)
  • 38. Oneota Shell Tempered Juntunen Drag and Jab Mackinac Punctate (Photos and graphic by W. Lovis; used with permission)
  • 39. The Eastport Site, Antrim County, MI 616’/187.75m Eolian Sand Paleosol Leached B/E 614’/187.15m Spodosols Lacustrine Sand Artifact Zone 612’/186.54m 610’/185.93m 608’/185.32m OSL 5150±390 B.P. In Eolian Sand at Village of Eastport Unit 1/Unit 2 Composite (Graphic by W. Lovis; used with permission)
  • 40.
  • 41. (Photo by W. Lovis; used with prmission)
  • 42. Results of 2007 14C and OSL Dating The Camp Miniwanca Site, Oceana Co, MI • Wood charcoal from hearth in buried paleosol identified by Dr. Frank Telewski as 20+ Meters! Picea sp., spruce. Tight growth rings reveal a stressed environment. • A 14C date of 820±40 BP from a hearth with ceramics, chipped stone, and bone cal. BP 730/AD 1220. OSL ages 870±80 BP above 920±80 BP below (Photos by W. Lovis, graphic by G. Monaghan, used with permission)
  • 43. Procedures for GeoProbeTM OSL Sampling Step 1: Once a sample location has been selected on a larger site, position GeoProbeTM and take visible solid core to the appropriate stratigraphic depth. Photo at left is Bill Monaghan coring at Winter site. Step 2: Assess stratigraphy within the core. Ascertain whether OSL sample is appro- priate, and from what depth within the stratigraphic section. Photo at left is from Winter site. (Photos by W. A. Lovis; used with permission) Step 3: Properly record stratigraphy in terms of standard criterion such as color, texture, grain size, organic content. Again determine at what depth the OSL sample should be taken. Photo at right is at Ekdahl-Goudreau/Seul Choix site.
  • 44. Procedures for GeoProbeTM OSL Sampling Step 4: Repeat the coring procedure at least once, and possibly twice. It is necessary to obtain a control, or Gamma, sample, which does not need to be light tight. More importantly it is necessary to obtain a light tight, sealed sample for OSL dating. Thus, the core tube is blackened, and covered with duct tape. It is “blind”, which is why depth assessment is critical since the sealed sample tube is cut at the appropriate location. Photo at left is the Ekdahl-Goudreau/Seul Choix site. Step 5: Appropriately field archive all samples, both OSL, and Gamma, as well as preserved solid cores with visible stratigraphy. Document UTM and Lat/Long locations of cores using reasonably accurate GPS device. As necessary, appropriate, or required, backfill core holes with BentoniteTM clay to prohibit contaminant seepage into groundwater. Photo at left shows solid cores from Winter site. (Photos by W. A. Lovis; used with permission)
  • 45. (Photo by A. Arbogast; used with permission)
  • 46. Sample transect through dune ridges between the Nipissing wave terrace and the Lake Michigan beach, Antrim Creek Natural Area. West – Lake Michigan East - Inland •Not to scale •Graphic by A. Arbogast and G. Monaghan, used with permission)
  • 47. (Photo by A. Arbogast; used with permission)
  • 48. Mt. McSauba Site, City of Charlevoix Organic horizon with cultural material. Modern 14C date on wood detritus. (Cal 2C B.P. 305[229-132]0) OSL date on underlying sand. 740±70 B.P. Late Woodland ceramic vessel base eroding from the buried organic horizon. Decoration suggests age of ca. 1000- 1200 AD. See the rim sherds illustrated below. (Photographs by W. Lovis; used with permission)
  • 49. The Winter Site, Delta County, MI The Winter site was AMS dated using carbonized food residues adhering to the interiors of ceramic vessels. The basal occupation horizon was dated from two sherds, a Plain sherd, and a North Bay Corded sherd. The middle/upper horizon was dated from a single sherd of Vertical Corded pottery. The dates on the lower horizon are statistically identical. The date on the middle/upper horizon is both earlier, and not identical. This suggests Photos by W. Lovis; that these stable horizons used with permission) are all very close in time. The basal OSL date is earlier than all of the AMS (Graphic by G. Monaghan; used with permission) dates.
  • 50. The Scott Point Site, Dated diagnostic ceramic rims from Mackinac County, the top 30 cm of the deposits include a Juntunen Drag and Jab MI Mean Pooled Age and an Oneota Shell tempered rim producing statistically identical dates Cal BP 865±28/AD 1085 with a mean pooled age of cal BP 865. This reveals that the last stabilization of the site took place ca. A.D. 1085. The base of the deposits were dated on the basis of a diagnostic 400 yrs Mackinac Ware rim producing an age of cal AD 770. This date is consistent with the known age of the ware, and indicates that the basal EXCAVATED deposits at 1.5 mbs were stable ca. A.D. 700-800. Cal BP 1270-1068/AD 670-890 Oneota Shell Tempered Juntunen Drag and Jab Mackinac Punctate
  • 51.  Based on our sample, there are very few Nipissing age dunes, i.e. pre- 4000 B.P., and they are relatively small.  There is a surge in dune growth frequency, intensity, and size ca. 3200 to 2000 B.P.  Dune activation slows and reduces in intensity between ca. 2000 and 1000 B.P.  Dunes again become more active from 1000 B.P. to 700 B.P.
  • 52. Probability Density Distribution of all OSL Dates: University of Illinois-Chicago, and University of Sheffield (Function Plot by Steve Forman, UI-C)
  • 53. OSL Probability Density Distribution Source: Steven L. Forman Medieval Warm Period? Largest Dunes Form Few Nipissing Dunes 1000 2000 3000 4000 5000 OSL Age Estimate
  • 54. Foredune East of Marquette Michigan South shore of Lake Superior Dune has grown ~1.3m+ since May 2010 Bottom edge of dune grass marks former dune crest (Photos and composite by W. Lovis, used with permission)
  • 55. Three Holocene Lake Level Curves proposed for Lakes Michigan and Huron Basis of Lake-Level Curves: Larsen (1985): 14C ages from beach ridges, mainly in southern Lake Michigan. Thompson et.al. (2004): sedimentology of sets of recessional beaches within embayments. Monaghan and Lovis (2005): 14C ages of beaches, transgressions in mouth of rivers and archaeological sites, mainly southern Lake Huron (Saginaw Bay). Points of Agreement: three broad intervals High water events 6-4 kya Low water (or stable?) interval ca 4-2 kya Fluctuating levels (alternating high/low) post-2 kya
  • 56. (Graphic by G. Monaghan, used with permission)
  • 57. Sample Transect Through the Torch Bay Nature Preserve Between the Nipissing Shoreline and Lake Michigan. West – Lake Michigan East - Inland Not to scale (Graphic by A. Arbogast and G. Monaghan, used with permission)
  • 58. Fisherman’s Island State Park transect across increasingly younger dune ridges. West – Lake Michigan East - Inland Campground Loop Transect 2180-2660 ya Not to scale (Graphic by A. Arbogast, used with permission)
  • 59. Map showing zones on the Lake Michigan shoreline where groups of processes dominate to create specific types of beaches, dunes and archaeological sites.
  • 60. Descriptive model of middle and late Holocene shoreline and dune development in areas of subsidence or stability along the southern and southeastern shore of Lake Michigan.
  • 61. Descriptive model of middle and late Holocene shoreline and dune development in areas of rapid uplift along the northern and northeastern shore of Lake Michigan.
  • 62. Diagrammatic model of the formation, burial and stratification of archaeological sites in areas of rapid uplift on the northern and northeastern shore of Lake Michigan.
  • 63. Potential Human – Dune Landscape Interactions North of the Zone of Isostatic Rebound  Human occupation is normally BEHIND dune crests, most often in a hollow or the swale behind the foredune  Occupation surfaces most likely are not stable, and they do not display the normal signatures of soil formation. This suggests they may be induced as the product of human enhancement rather than natural pedogenic processes. They are anthropogenic horizons, and may not be formal paleosols.  Organic enhancement occurs with the introduction of charcoal, oils and fats, charred bone, and organic debris. This organic enhancement fosters rapid vegetative growth in protected and occupied swales and hollows.  Human foot traffic over lakeward positioned dune crests results in local level mobilization of the sand supply. Eolian activity deposits a veneer of inorganic sands of varying depth over the organic occupation surface. This process may occur once, resulting in burial of a single occupation, or cyclically resulting in stratification.
  • 64. And South of the Hinge Line . . . ?
  • 65. Thanks for Your Attention
  • 66. Michigan Department of Transportation  Michigan Department of Natural Resources  Michigan Department of Environmental Quality  Michigan Office of the State Archaeologist  USDA Forest Service, Hiawatha National Forest  Antrim County Planning Commission  Torch Lake Township  National Park Service, Midwest Archaeological Center  Northern Michigan University  Museum of Anthropology, University of Michigan  Department of Anthropology, Western Michigan University  Department of Anthropology, Grand Valley State University
  • 67. Dr. David Ruggles  Dr. James Robertson  Barbara Mead  Jeff Richner  Dr. Marla Buckmaster  Dr. Michael Nassaney  Dr. William Cremin  Glenn Palmgren  Dr. Janet Brashler  Dr. John O’Shea  Robert Spencer  Dr. Charles Cleland  John Franzen  Jennifer Holmstadt  Frank and Sandra Sakowski  Dr. Diane Portfleet  Eric Drake  Jeanne Kokx  Sue Rose  Lynn Hyslop  James Phillips  Stevan Christianson  Dr. Steven L. Forman  Dr. John R. Halsey