An independent evaluation of the Younger Dryas extraterrestrial impact hypothesis

Todd A. Surovell; Vance T. Holliday; Joseph A. M. Gingerich; Caroline Ketron; C. Vance Haynes Jr.; Ilene Hilman; Daniel P. Wagner; Eileen Johnson; Philippe Claeys

doi:10.1073/pnas.0907857106

An independent evaluation of the Younger Dryas extraterrestrial impact hypothesis

Todd A. Surovell, Vance T. Holliday, Joseph A. M. Gingerich, Caroline Ketron, C. Vance Haynes Jr., Ilene Hilman, Daniel P. Wagner, Eileen Johnson, Philippe Claeys

Onderzoeksoutput: Article › peer review

112 Citaten (Scopus)

Samenvatting

Based on elevated concentrations of a set of impact markers at the onset of the Younger Dryas stadial from sedimentary contexts across North America, Firestone, Kennett, West, and others have argued that 12.9 ka the Earth experienced an impact by an extraterrestrial body, an event that had devastating ecological consequences for humans, plants, and animals in the New World [Firestone RB, et al. (2007) Proc. Natl. Acad. Sci. USA 104:16016- 16021]. Herein, we report the results of an independent analysis of magnetic minerals and microspherules from seven sites of similar age, including two examined by Firestone et al. We were unable to reproduce any results of the Firestone et al. study and find no support for Younger Dryas extraterrestrial impact.

Originele taal-2	English
Pagina's (van-tot)	18155–18158
Tijdschrift	Proceedings of the National Academy of Sciences of the United States of America
Volume	106
Nummer van het tijdschrift	43
DOI's	https://doi.org/10.1073/pnas.0907857106
Status	Published - 12 okt. 2009

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10.1073/pnas.0907857106

http://www.pnas.org/content/early/2009/10/09/0907857106

HERC9: Uitbreiding stabiele isotopenlab
Claeys, P., Keppens, E., Dehairs, F., Meysman, F., Huybrechts, P., Bauwens, W. & Nys, K.
22/07/10 → 21/07/15
Project: Fundamenteel
OZR1185-B: Methodeontwikkeling voor interdisciplinair isotopisch onderoek door middel van multi-collector ICP-massaspectronomie.
Claeys, P.
1/01/06 → 31/12/06
Project: Fundamenteel
FWOAL365: Hoge resolutie Rb-Sr en Pb isotopengeochemie : toepassignen in geologisch en archeometrisch onderzoek.
Claeys, P., Claeys, P., Goderis, S., Keppens, E., Renson, V., Kolo, K. & Mas, R.
1/01/06 → 31/12/09
Project: Fundamenteel

Citeer dit

Surovell, T. A., Holliday, V. T., Gingerich, J. A. M., Ketron, C., Haynes Jr., C. V., Hilman, I., Wagner, D. P., Johnson, E., & Claeys, P. (2009). An independent evaluation of the Younger Dryas extraterrestrial impact hypothesis. Proceedings of the National Academy of Sciences of the United States of America, 106(43), 18155–18158. https://doi.org/10.1073/pnas.0907857106

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title = "An independent evaluation of the Younger Dryas extraterrestrial impact hypothesis",

abstract = "Based on elevated concentrations of a set of impact markers at the onset of the Younger Dryas stadial from sedimentary contexts across North America, Firestone, Kennett, West, and others have argued that 12.9 ka the Earth experienced an impact by an extraterrestrial body, an event that had devastating ecological consequences for humans, plants, and animals in the New World [Firestone RB, et al. (2007) Proc. Natl. Acad. Sci. USA 104:16016- 16021]. Herein, we report the results of an independent analysis of magnetic minerals and microspherules from seven sites of similar age, including two examined by Firestone et al. We were unable to reproduce any results of the Firestone et al. study and find no support for Younger Dryas extraterrestrial impact.",

keywords = "Impact, Younger Dryas, Climate change, Extinction, Clovis Culture",

author = "Surovell, {Todd A.} and Holliday, {Vance T.} and Gingerich, {Joseph A. M.} and Caroline Ketron and {Haynes Jr.}, {C. Vance} and Ilene Hilman and Wagner, {Daniel P.} and Eileen Johnson and Philippe Claeys",

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doi = "10.1073/pnas.0907857106",

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AU - Surovell, Todd A.

AU - Holliday, Vance T.

AU - Gingerich, Joseph A. M.

AU - Ketron, Caroline

AU - Haynes Jr., C. Vance

AU - Hilman, Ilene

AU - Wagner, Daniel P.

AU - Johnson, Eileen

AU - Claeys, Philippe

PY - 2009/10/12

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N2 - Based on elevated concentrations of a set of impact markers at the onset of the Younger Dryas stadial from sedimentary contexts across North America, Firestone, Kennett, West, and others have argued that 12.9 ka the Earth experienced an impact by an extraterrestrial body, an event that had devastating ecological consequences for humans, plants, and animals in the New World [Firestone RB, et al. (2007) Proc. Natl. Acad. Sci. USA 104:16016- 16021]. Herein, we report the results of an independent analysis of magnetic minerals and microspherules from seven sites of similar age, including two examined by Firestone et al. We were unable to reproduce any results of the Firestone et al. study and find no support for Younger Dryas extraterrestrial impact.

AB - Based on elevated concentrations of a set of impact markers at the onset of the Younger Dryas stadial from sedimentary contexts across North America, Firestone, Kennett, West, and others have argued that 12.9 ka the Earth experienced an impact by an extraterrestrial body, an event that had devastating ecological consequences for humans, plants, and animals in the New World [Firestone RB, et al. (2007) Proc. Natl. Acad. Sci. USA 104:16016- 16021]. Herein, we report the results of an independent analysis of magnetic minerals and microspherules from seven sites of similar age, including two examined by Firestone et al. We were unable to reproduce any results of the Firestone et al. study and find no support for Younger Dryas extraterrestrial impact.

KW - Impact

KW - Younger Dryas

KW - Climate change

KW - Extinction

KW - Clovis Culture

U2 - 10.1073/pnas.0907857106

DO - 10.1073/pnas.0907857106

M3 - Article

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VL - 106

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

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

IS - 43

ER -

An independent evaluation of the Younger Dryas extraterrestrial impact hypothesis

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Projecten

HERC9: Uitbreiding stabiele isotopenlab

OZR1185-B: Methodeontwikkeling voor interdisciplinair isotopisch onderoek door middel van multi-collector ICP-massaspectronomie.

FWOAL365: Hoge resolutie Rb-Sr en Pb isotopengeochemie : toepassignen in geologisch en archeometrisch onderzoek.

Citeer dit