Changes in Paleoindian Shot Point Densities As could reasonably be expected Proof of a Clovis Demographic Breakdown in t.

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PP43A-08. Changes in Paleoindian Projectile Point Densities As Possible Evidence of a Clovis Demographic Collapse in the Southeastern U.S.
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PP43A-08 Changes in Paleoindian Projectile Point Densities As Possible Evidence of a Clovis Demographic Collapse in the Southeastern U.S. A. C. Goodyear (803-777-8170; ) University of South Carolina, South Carolina Institute of Archeology and Anthropology, Columbia, SC 29208, USA [Sponsor: Allen West GeoScience Consulting, Dewey, AZ 86327, USA] South Carolina: Clovis Complex South Carolina: Redstones INTRODUCTION Recent assessment by the creator of the South Carolina Paleoindian point database shows the generous nearness of a suspected Middle Paleoindian point truly known as Redstone (Cambron and Hulse, 1964; Mason, 1962; Perino, 1968; Williams and Stoltman, 1965). At the point when contrasted and the known plenitude of Clovis focuses in South Carolina, a post-Clovis populace decrease is deduced. As a result of late revelations in South Carolina of extensive fluted focuses run of the mill of the Redstone, it turned out to be clear that the Redstone had a straight to trianguloid sharp edge design from the most punctual phase of its utilization life. Lanceolates with to a great degree long conspicuous woodwinds up to this time had been delegated Clovis (Charles and Michie, 1992; Goodyear et al., 1990; Michie, 1977). As needs be, a survey of all fluted focuses yielded a sum of 48 Redstones that had beforehand been misclassified as Clovis. Deduced Population Collapse SOUTH CAROLINA DATABASE REFERENCES Reclassifying the South Carolina database brought about around four Clovis focuses for each one Redstone. Utilizing Clovis and Redstone fluted focuses produced using beach front plain Allendale-sort chert and top notch metavolcanics, a sum of 179 Clovis were discovered versus 40 Redstones (4.5 to 1). Inside the Allendale chert cases, 115 were Clovis versus 24 Redstone (4.8 to 1). Inside metavolcanics, it was 64 Clovis versus 16 Redstones (4 to 1). Expecting Redstones date from 10,800 to 10,500 RCYBP (~12,800 to 12,600 CALYBP), and Clovis dates from 11,300 to 10,900 RCYBP (~13,200 to 12,900 CALYBP), a sharp decrease in post-Clovis fluted focuses is shown. This clear decrease in shot focuses additionally happens amid the Younger Dryas, a period thought to be colder and dryer than Clovis times. No other Paleoindian focuses are known for this region of the Southeast to fill in this day and age. 1. Anderson, D. G., et al. (2005) Current Research in the Pleistocene, 22:91-92. 2. Cambron, J.W. what\'s more, D.C. Hulse. (1964) Handbook of Alabama Archeology, Point Types Pt.1 3. Charles, T. what\'s more, J.L. Michie. (1992) In Paleoindian and Early Archaic Period Research in the Lower Southeast: A South Carolina Perspective. Committee of South Carolina Professional Archeologists. 4. Daniel, I.R. what\'s more, A.C. Goodyear. (2006) Current Research in the Pleistocene , 23:88-90 5. Firestone, R., et al. (2005) "Confirmation of a Catastrophic Impact Event toward the End of the Clovis Era." Paper displayed at the gathering Clovis in the Southeast , Columbia, S.C. 6. Goodyear, A.C. (1982) American Antiquity 47(2): 382-395. 7. Goodyear, A.C., J.L. Michie, and T. Charles (1990) The Archeological Society of South Carolina, Occasional Papers No. 2. 8. Johnson, M.F. (1996) Paleoindians Near the Edge: A Virginia Perspective. In The Paleoindian and Early Archaic Southeast, altered by D. G. Anderson and K. E. Sassaman, pp. 187-212. College of Alabama Press. 9. Mahan, E.C. 1(964) "Redstone." In Handbook of Alabama Archeology, Point Types Part I, altered by J.W. Cambron and D.C. Hulse, A-75. 10. Bricklayer, R.J. (1962) Current Anthropology 3:227-278. 11. McAvoy, J. M. (1992) Archeological Society of Virginia Special Publication Number 28. 12. Michie, J.L. (1977) The Late Pleistocene Occupation of South Carolina. Original copy on record, South Carolina Institute of Archeology and Anthropology, University of South Carolina, Columbia. 13. Morrow, J. (1995) Midcontinental Journal of Archeology 20:167-191. 14. Perino, G. (1968) Special Bulletin No. 3 of the Oklahoma Anthropological Society. 15. Williams, S. also, J. B. Stoltman (1965) In The Quaternary of the United States, altered by H.E. Wright Jr., and D.G. Frey, pp. 669-683. Princeton University Press. 16. The information for the 219 focuses talked about are accessible from the creator or online in the Paleoindian Database of the Americas ( ) (Anderson et al., 2005). 17. On account of Jean Church, Kevin Dowdy, Larry Strong, and Jack Willhoit for sharing data about their Redstones. Because of Darby Erd for the line drawings. NORTH CAROLINA AND VIRGINIA RESULTS AND DISCUSSION As a cross-keep an eye on the South Carolina database, the North Carolina Paleoindian point overview was likewise renamed hunting down Redstones. It brought about a Clovis to Redstone proportion of 3 to 1 (Daniel and Goodyear, 2006). This example of a high Clovis to Redstone proportion obviously is not confined to the Carolinas. In his overview of the Nottaway River seepage in southeast Virginia, McAvoy (1992) found a sensational post-Clovis drop in what he calls profound inward based fluted focuses and locales. He proposes a noteworthy populace lessening in this area after Clovis times. For the whole Virginia database, Johnson (1996:205) takes note of that the extent of curved base to apparently Clovis focuses is 11 percent (8 to 1). More consideration ought to be paid to a conceivable post-Clovis, pre-Dalton decrease in Paleoindian indicates in the Southeast decide the archeological reality of this proposed design. Firestone et al. (2005) have hypothesized that an extraterrestrial comet-like effect occasion happened over North America at around 12,900 CALYBP bringing on the onset of the Younger Dryas and the eradication of many expansive ice age faunal species. If so, it is conceivable that the human populace decrease proposed by the drop in post-Clovis shot focuses over a great part of the Southeast is identified with such a calamitous occasion.

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