Reply to Anderson et al., Jones, Kennett and West, Culleton, and Kennett et al.: Further evidence against the extraterrestrial impact hypothesis

Proceedings of the National Academy of Sciences of the United States of America

Volumn 105, Issue 50, 2008, Pages

  Collard, Mark ^a   Buchanan, Briggs ^a   Edinborough, Kevan ^a  

^a SIMON FRASER UNIVERSITY   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

CARBON 14;

ARCHEOLOGY; LATITUDE; LETTER; MICROCLIMATE; OCCUPATION; POPULATION; POPULATION SIZE; PRIORITY JOURNAL; PROBABILITY; STRATIGRAPHY; UNITED STATES;

EID: 58149519330     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.0810765106     Document Type: Letter

References (13)

1. Buchanan B, Collard M, Edinborough K (2008) Paleoindian demography and the extraterrestrial impact hypothesis. Proc Natl Acad Sci USA 105:11651-11654.
2. Anderson DG, Meeks SC, Goodyear AC, Miller DS (2008) Southeastern data inconsistent with Paleoindian demographic reconstruction. Proc Natl Acad Sci USA 10.1073/pnas.0808964106.
3. Jones TL (2008) California archaeological record consistent with Younger Dryas disruptive event. Proc Natl Acad Sci USA 10.1073/pnas.0808976106.
4. Kennett JP, West A (2008) Biostratigraphic evidence supports Paleoindian population disruption at ≈12.9 ka. Proc Natl Acad Sci USA 10.1073/pnas.0808960106.
5. Culleton BJ (2008) Crude demographic proxy reveals nothing about Paleoindian population. Proc Natl Acad Sci USA 10.1073/pnas.0809092106.
6. Kennett DJ, Stafford TW, Jr, Southon J (2008) Standards of evidence and Paleoindian demographics. Proc Natl Acad Sci USA 10.1073/pnas.0808960106.
7. Firestone RB, et al. (2007) Evidence for an extraterrestrial impact 12,900 years ago that contributed to the megafaunal extinctions and the Younger Dryas cooling. Proc Natl Acad Sci USA 104:16016-16021.
8. Goodyear AC (1982) The chronological position of the Dalton horizon in the southeastern United States. Am Antiquity 47:382-395.
9. Weninger B, Jöris O, Danzeglocke U (2007) CalPal-2007: Cologne Radiocarbon Calibration & Palaeoclimate Research Package (Radiocarbon Laboratory, Cologne University, Cologne, Germany).
10. Reimer PJ, et al. (2004) Intcal04 terrestrial radiocarbon age calibration, 0-26 cal kyr BP. Radiocarbon 46:1029-1058.
11. Erlandson JM, Rick TC, Jones TL, Porcasi JF (2007) in California Prehistory: Colonization, Culture, and Complexity, eds Jones TL, Klar KL (Altimira, New York), pp 53-62.
12. Haynes CV, Jr (2008) Younger Dryas "black mats" and the Rancholabrean termination in North America. Proc Natl Acad Sci USA 105:6520-6525.
13. 14C yr B.P. Quat Res 53:1-12.