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| Pre-Clovis | |
|---|---|
| Name | Pre-Clovis |
| Caption | Excavation at Monte Verde site |
| Period | Late Pleistocene |
| Dates | ca. 18,000–13,000 BP (variable) |
| Region | North America, South America |
| Preceding | Paleolithic |
| Following | Clovis culture |
Pre-Clovis
Pre-Clovis denotes archaeological contexts in North America and South America that predate the distinctive stone-tool assemblage known as Clovis culture. Scholars debate its chronology, geographic distribution, cultural attributes, and relationship to later populations such as those associated with Folsom culture and Paleo-Indian traditions. Evidence spans sites from Alaska and Yukon to Chile and Brazil, and engages methods developed in institutions like the Smithsonian Institution and the American Antiquity community.
"Pre-Clovis" refers to human occupations older than the first appearance of Clovis culture technology in the archaeological record, often operationally defined as earlier than ~13,000 BP. The term frames research conducted by teams from the University of California, Santa Cruz, University of Maine, University of Chile, and field projects at Page-Ladson, Cactus Hill, Paisley Caves, and Monte Verde. Debates over scope implicate models promoted by scholars affiliated with National Science Foundation grants, the Peopling of the Americas research programs, and curatorial policies at museums such as the American Museum of Natural History.
Key Pre-Clovis localities include Monte Verde in Chile, Cactus Hill in Virginia, Paisley Caves in Oregon, Page-Ladson in Florida, Meadowcroft Rockshelter in Pennsylvania, Topper Site in South Carolina, and Gault site in Texas. Evidence types vary: stratified hearths at Monte Verde and preserved organic remains at Page-Ladson, lithic scatters at Topper Site and Gault site, and coprolites from Paisley Caves. Excavations have been led by figures associated with Universidad Austral de Chile, University of Pennsylvania, Smithsonian Institution researchers, and independent investigators connected to journals like Science and Nature.
Chronologies rely on radiocarbon dating of charcoal, bone, and plant remains, optically stimulated luminescence (OSL) for sediments, and thermoluminescence for heated artifacts. Sites such as Monte Verde yield radiocarbon ages often cited near 14,500–18,500 BP, while Paisley Caves coprolites have returned dates around 14,300 BP. OSL studies at Topper Site and Gault site produce broader age ranges. Chronological frameworks derive from methodological advances developed at laboratories linked to University of Arizona, Lawrence Livermore National Laboratory, and the British Geological Survey.
Pre-Clovis assemblages show diverse lithic strategies distinct from the fluted points of Clovis culture; examples include unfluted lanceolate points at Monte Verde, blade and microblade components in Beringia contexts, and expedient flake tools at Meadowcroft Rockshelter. Raw materials encompass local cherts, rhyolite, and obsidian sourced from outcrops known to modern institutions like the U.S. Geological Survey. Comparisons often invoke material parallels with Nenana complex and Dyuktai culture industries in Siberia and Kamchatka Peninsula, suggesting technological transmission or convergence debated in syntheses published by the National Academy of Sciences.
Genomic data from ancient and modern peoples, generated in laboratories at Harvard University, Max Planck Institute for the Science of Human History, McMaster University, and University of Copenhagen, inform models of migration into the Americas. Ancient DNA from late Pleistocene individuals such as those associated with Anzick-1 and later populations reveal affinities with Siberian and Beringian lineages, supporting a standstill or Beringian incubation model proposed by researchers affiliated with Yale University and University College London. Alternative multi-wave scenarios invoke connections to Australasia and the Solomon Islands debated in high-profile articles in Proceedings of the National Academy of Sciences.
Controversies include claims for pre-Clovis artifacts at sites like Topper Site and Meadowcroft Rockshelter, methodological disputes over stratigraphic integrity, and challenges to radiocarbon or OSL chronologies by critics publishing in venues including Quaternary Research and American Antiquity. Alternative hypotheses propose coastal migrations via the Pacific Coast route, inland ice-free corridor dispersals after opening of corridors documented by studies from the U.S. Geological Survey and Natural Resources Canada, or transoceanic contacts proposed by proponents linked to various academic and independent researchers. Debates have legal and heritage implications involving tribal nations represented by institutions such as the Bureau of Indian Affairs and the National Congress of American Indians.
If widely accepted, Pre-Clovis evidence revises timelines for human adaptation to Late Pleistocene environments, shifting models developed at the Smithsonian Institution and universities toward earlier coastal or interior migrations. It affects interpretations of megafaunal extinctions studied by paleontologists at the American Geophysical Union and ecological reconstructions by researchers at the Scripps Institution of Oceanography. The Pre-Clovis discussion intersects with Indigenous oral histories advocated by organizations including the Native American Rights Fund and shapes cultural resource management guided by the National Park Service.
Category:Archaeology of the Americas