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Geoecology of the Marias River Canyon, Montana, USA : landscape influence on human use and preservation of late Holocene archaeological and vertebrate remains / by James G. Schmitt, Department of Earth Sciences, Montana State University, Bozeman, Montana, USA [and seven others].
Format
Book
Language
English
Published/Created
Boulder, Colorado : The Geological Society of America, [2017]
©2017
Description
iii, 53 pages : illustrations ; 28 cm.
Availability
Available Online
GeoScienceWorld eBooks Collection
Geological Society of America Special Papers
Copies in the Library
Location
Call Number
Status
Location Service
Notes
Lewis Library - Lewis Library - Serials (Off-Site)
QE1 .G29 vol.528
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Location has
Shelved as Geological Society of America. Special papers; 528
Details
Subject(s)
Environmental geology
—
Montana
—
Marias River Valley
[Browse]
Geomorphology
—
Montana
—
Marias River Valley
[Browse]
Biodiversity
—
Montana
—
Marias River Valley
[Browse]
Animal diversity
—
Montana
—
Marias River Valley
[Browse]
Geology, Stratigraphic
—
Holocene
[Browse]
Paleoecology
—
Holocene
[Browse]
Paleontology
—
Holocene
[Browse]
Marias River Valley (Mont.)
[Browse]
Related name
Geological Society of America
[Browse]
Schmitt, James G.
[Browse]
Series
Special papers (Geological Society of America) ; 528.
[More in this series]
Special paper ; 528
Summary note
The Marias River canyon in north-central Montana, incised into Upper Cretaceous strata of the Great Plains during latest Pleistocene to Holocene time, served as a locus of human activity tied to the unique floral and faunal resources it provided ancient peoples. Erosion of the main canyon walls resulted in deposition of tributary junction alluvial fans characterized by debris-flow and hyperconcentrated flow sediment transport processes where side canyons emerged onto the alluvial valley floor. These alluvial-fan deposits preserve Late Precontact archaeological remains accessible due to their postburial exposure where partially eroded by the meandering channel of the Marias River (Goose Bill site complex). Archaeological materials are also preserved high on the dissected canyon walls where movement of hillslope sediment and colluvium by sheetwash led to their burial (Sparrowhawk site). Deposition of sediment of contrasting physical attributes (grain size, sorting, clay mineral content) within the canyon influences soil substrate properties, favoring growth of specialized plant communities in both alluvial-fan and fluvial environments. These relations exemplify the strong geoecological connections among depositional environment and sediment characteristics, substrate properties, and vegetation community development. The plant communities, interacting in conjunction with the physical landscape, provided a range of habitats utilized by such large mammals as plains bison, Rocky Mountain elk, Audubon sheep, pronghorn, Rocky Mountain mule deer, and white-tailed deer. Four major bison bone layers, some including bison hair and other soft tissues, with associated stone arrow points and stone flakes (artifacts) and evidence of bone processing are preserved in alluvial-fan deposits exposed along the bank of the Marias River at the Goose Bill site complex. These relations illustrate: (1) human activities dating to ~100--595 yr B.P. (falling within the Late Precontact Period of regional archaeological prehistory) that reflect subsistence reliance on bison as a food source, (2) the importance of tributary alluvial fans proximal to canyon walls in preserving archaeological remains, and (3) the role of the meandering Marias River channel in destroying these deposits over a time period of <100 yr. Sediment deposition by overland flow higher up the canyon walls at the Sparrowhawk site preserves a somewhat older (710--830 yr B.P.) archaeological record suggestive of a broader spectrum of resource (food) processing spatially decoupled from an area of bison kill/death.
Bibliographic references
Includes bibliographical references.
Contents
Abstract
Introduction
The Marias River Canyon geoecosystem. Geologic setting ; Geomorphology of the Marias River Canyon ; Climatic setting ; Flora and large vertebrate fauna ; Overview of regional prehistory ; Archaeological site context
Late Holocene depositional environments of the Marias River Canyon. Marias River depositional environment ; Alluvial-fan depositional environment ; Hillslope depositional environment
Archaeological materials and geologic context of the Goose Bill Site Complex (24CH887). Site description ; Archaeological materials and stratigraphic context
Archaeological and geological materials from the Sparrowhawk Site (24CH301). Site setting ; Archaeological materials and their context ; Stratigraphic context and age
Geoecology : plant communities and ungulate niches. Plant communities ; Use of plants by native Americans ; Relations between depositional units and plant communities ; Ungulate niches
Geoecological implications for archaeology
Conclusions.
Show 6 more Contents items
ISBN
9780813725284 ((pbk.))
0813725283 ((pbk.))
LCCN
2017001324
OCLC
968690618
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Geoecology of the Marias River Canyon, Montana, USA : landscape influence on human use and preservation of late Holocene archaeological and vertebrate remains / by James G. Schmitt, Department of Earth Sciences, Montana State University, Bozeman, Montana, USA [and seven others].
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99125156054406421