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Folsom culture

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Folsom culture
NameFolsom culture
PeriodLate Paleo-Indian
Datesc. 10,900–10,200 BP
RegionGreat Plains, North America
TypesiteFolsom site
Major sitesBlackwater Draw, Lindenmeier Site, Agate Basin, Shawnee-Minisink

Folsom culture The Folsom culture denotes a Late Paleo-Indian stone-tool tradition first recognized at the Folsom site and subsequently identified across the Great Plains, Southwest, and parts of Rocky Mountain foothills. Early excavations at Folsom, contemporary analyses by researchers associated with the Smithsonian Institution, American Museum of Natural History, and the University of Colorado established a distinctive fluted projectile point technology linked to extinct megafauna and stratigraphic contexts dated near the end of the Pleistocene and the transition to the Holocene.

Discovery and Definition

In 1908 the discovery of fluted points associated with a bison skeleton at the Folsom site provoked debate involving figures from the University of Colorado Museum of Natural History, the American Museum of Natural History, and the Smithsonian Institution. Important contributors included excavators from the Regents of the University of New Mexico and scholars who corresponded with the Bureau of American Ethnology and the Peabody Museum of Archaeology and Ethnology. Subsequent fieldwork at sites such as Blackwater Draw, Lindenmeier Site, and Agate Basin refined the typology of the fluted points and cemented associations with faunal assemblages examined by osteologists at the Field Museum of Natural History, paleontologists collaborating with the American Philosophical Society, and radiocarbon laboratories at institutions like the University of Arizona.

Chronology and Geographic Range

Radiocarbon determinations from bone collagen and charcoal at key loci calibrated by laboratories at the University of Arizona and the University of Washington place the tradition roughly between 10,900 and 10,200 ^14C BP, overlapping with late Upper Pleistocene chronologies recognized at sites in the Great Plains, Rocky Mountains, Texas Panhandle, New Mexico, and Montana. Well-known localities include Lindenmeier Site in Colorado, Blackwater Draw in New Mexico, and the Shawnee-Minisink site in the Northeastern United States where stratigraphic correlations were compared with sequences from the Clovis culture and later complexes documented at the Agate Basin and Plano cultures assemblages. Comparative studies referenced collections from the Peabody Museum, the Denver Museum of Nature & Science, and the Museum of Natural History of Utah.

Material Culture and Technology

The hallmark of this tradition is the bifacially fluted, lanceolate projectile point, with production techniques analyzed using microscopic wear studies conducted at the Smithsonian Institution and experimental replication at laboratories affiliated with the University of Colorado and the University of Arizona. Lithic raw-material procurement networks incorporated high-quality knappable stone such as chert, jasper, and obsidian sourced from quarries documented near Cimarron (New Mexico), the Lakota Hills, and the Yellowstone region; collections reside in the American Museum of Natural History and the Peabody Museum. Associated toolkit elements include bifaces, scrapers, and microblades whose chaînes opératoires were reconstructed in comparative projects with researchers from the National Park Service and the Smithsonian Tropical Research Institute.

Subsistence and Settlement Patterns

Faunal assemblages recovered at Folsom site, Blackwater Draw, and Lindenmeier Site indicate primary exploitation of extinct Bison antiquus and other megafauna, with zooarchaeological analyses undertaken by specialists affiliated with the Field Museum of Natural History and the Smithsonian Institution. Stable isotope studies conducted at the University of Arizona and seasonality analyses from incremental dental samples compared with data from the University of Michigan suggest episodic communal hunting events, task-specific kill and butchery loci, and logistical foraging radiating from base locations near riparian corridors such as the Canadian River and tributaries of the Arkansas River. Settlement evidence aligns with mobile bands documented ethnographically among historic Plains groups catalogued in archives of the Bureau of American Ethnology.

Social Organization and Symbolism

Material variability across sites like Agate Basin, Lindenmeier Site, and Blackwater Draw indicates regional expression and possible social boundaries analyzed in syntheses produced by scholars at the University of Colorado and the University of Utah. Symbolic behavior is inferred from curated lanceolate points and possible ritual deposition events comparable to interpretive frameworks used for Clovis culture contexts, with comparative references to artifact curation in collections at the Peabody Museum and the American Museum of Natural History. Ethnoarchaeological analogies draw on ethnographic records preserved by the Bureau of American Ethnology and later researchers at the Smithsonian Institution to model kinship-based band organization and cooperative big-game hunting logistics.

Paleoenvironment and Extinction Theories

Paleoenvironmental reconstructions based on pollen, sediment cores, and paleohydrology from the Great Plains, the Rocky Mountains, and the Southern High Plains produced by teams associated with the United States Geological Survey, the Smithsonian Institution, and the University of Arizona depict rapid climatic warming, vegetational shifts, and hydrological changes at the Pleistocene–Holocene transition. Debates concerning megafaunal extinction invoke competing hypotheses examined in publications from the National Academy of Sciences, involving human overkill models juxtaposed with climate-driven scenarios advanced by researchers at the University of Kansas and the University of California, Berkeley. Multi-proxy datasets from archaeological sites like Lindenmeier Site and paleoecological sequences from the Blackwater Draw region continue to inform models integrating human predation pressures, habitat change, and population dynamics evaluated by paleontologists at the American Museum of Natural History and the Field Museum of Natural History.

Category:Archaeological cultures in North America