Arid
DOI10.1016/j.quaint.2015.11.045
Assessing long-term habitability at an eastern Sahara oasis: ESR dating of molluscs and herbivore teeth at Dakhleh Oasis, Egypt
Kleindienst, M. R.1; Blackwell, B. A. B.2,3; Skinner, R.2,3; Churcher, C. S.5; Kieniewicz, J. M.4,6; Smith, J. R.; Wise, N. L.2; Long, R. A.3; Deely, A. E.3; Blickstein, J. I. B.3; Chen, K. K. L.3; Huang, A.3; Kim, M. Q. D.3
通讯作者Kleindienst, M. R.
来源期刊QUATERNARY INTERNATIONAL
ISSN1040-6182
EISSN1873-4553
出版年2016
卷号408页码:106-120
英文摘要

In the northeastern Sahara, electron spin resonance (ESR) dating of when animals lived documents their habitability in Dakhleh Oasis, Egypt. A Middle Pleistocene paleolake(s) covered >1700 km(2). At eastern Locality Dak348, 10 m thick, remnant lacustrine marls yielded Pleistocene fauna, rare artefacts, and plant casts. No obvious unconformity exists within these deposits. From upper horizons, a hartebeest tooth ESR dated at 195 +/- 11 ka, correlates with Marine Isotope Stage (MIS) 7, while molluscs from a stratigraphically higher horizon averaged 89 +/- 10 ka, correlating with MIS 5a/b. At western Locality Dak006, upslope deflation has left a temporally mixed surficial lag. Numerous lagged tooth fragments, independently dated by ESR, correlate with MIS 5 through 17. Fragments from a slope sand unit correlate with MIS stages 3 through 6. One bovid tooth associated with Younger Middle Stone Age artefacts in the base of the sand dated at 84 +/- 7 ka (MIS 5a/b). Molluscs from Romano-Byzantine backdirt at a breached artesian vent dated to 8-15 +/- 1 ka, suggesting that ponds formed during MIS 1 and 2. Even without well defined sedimentary contexts, ESR frequency data indicate that the oasis was habitable for herbivores during at least twelve stages in the Mid-Late Quaternary, and, therefore, likely also for humans. (C) 2015 Elsevier Ltd and INQUA. All rights reserved.


英文关键词Dakhleh Oasis Egypt Sahara Electron spin resonance Middle Stone Age Palaeoenvironments
类型Article ; Proceedings Paper
语种英语
国家Canada ; USA ; England
收录类别SCI-E ; CPCI-S
WOS记录号WOS:000377972300008
WOS关键词MIDDLE STONE-AGE ; GROUNDWATER-FLOW MODEL ; WESTERN DESERT ; TOOTH ENAMEL ; IMPACT EVENT ; KHARGA OASIS ; RECONSTRUCTION ; ENVIRONMENTS ; OCCUPATIONS ; MANAGEMENT
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195799
作者单位1.Univ Toronto, Dept Anthropol, Mississauga, ON L5L 1C6, Canada;
2.Williams Coll, Dept Chem, Williamstown, MA 01267 USA;
3.RFK Sci Res Inst, Glenwood Landing, NY 11547 USA;
4.Washington Univ, Dept Earth & Planetary Sci, St Louis, MO 63130 USA;
5.Univ Toronto, Dept Zool, Toronto, ON M5S 3G5, Canada;
6.Inst Phys, 76 Portland Pl, London W1B 1NT, England
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Kleindienst, M. R.,Blackwell, B. A. B.,Skinner, R.,et al. Assessing long-term habitability at an eastern Sahara oasis: ESR dating of molluscs and herbivore teeth at Dakhleh Oasis, Egypt[J],2016,408:106-120.
APA Kleindienst, M. R..,Blackwell, B. A. B..,Skinner, R..,Churcher, C. S..,Kieniewicz, J. M..,...&Kim, M. Q. D..(2016).Assessing long-term habitability at an eastern Sahara oasis: ESR dating of molluscs and herbivore teeth at Dakhleh Oasis, Egypt.QUATERNARY INTERNATIONAL,408,106-120.
MLA Kleindienst, M. R.,et al."Assessing long-term habitability at an eastern Sahara oasis: ESR dating of molluscs and herbivore teeth at Dakhleh Oasis, Egypt".QUATERNARY INTERNATIONAL 408(2016):106-120.
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