A multi-disciplinary study of Port Eliza cave sediments and their implications for human coastal migration
A multi-disciplinary study at Port Eliza cave on Vancouver Island has refined the timing and character of late Wisconsinan environments and has significant implications for the Human Coastal Migration Hypothesis. Loss-on-ignition, paleomagnetic and sedimentological data show that there was continuou...
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ftsimonfu:oai:summit.sfu.ca:4497 2023-05-15T16:40:52+02:00 A multi-disciplinary study of Port Eliza cave sediments and their implications for human coastal migration Al-Suwaidi, Majid Hassan 2005 http://summit.sfu.ca/item/4497 English eng http://summit.sfu.ca/item/4497 Thesis 2005 ftsimonfu 2022-04-07T18:33:48Z A multi-disciplinary study at Port Eliza cave on Vancouver Island has refined the timing and character of late Wisconsinan environments and has significant implications for the Human Coastal Migration Hypothesis. Loss-on-ignition, paleomagnetic and sedimentological data show that there was continuous sedimentation through the last glacial maximum, implying a warmbased Cordilleran Ice Sheet. Radiocarbon dating supported by paleomagnetic data and U/Th ages constrain the time of maximum glaciation to between ca. 16 and 12.5 ka BP. Terrestrial floral and faunal data indicate a pre-Last Glacial Maximum, cold, dry, steppe environment with rare trees but a diverse fauna. Marine fossils represent a rich, dominantly nearshore fauna and suggest the sea was close to the cave. These data indicate that ice-free conditions lasted until at least 16 ka BP, and suggest that prior to the late Wisconsinan glacial maximum, humans could have survived on a mixed marine-terrestrial diet in the Port Eliza area. Thesis Ice Sheet Summit - SFU Research Repository (Simon Fraser University) |
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Open Polar |
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Summit - SFU Research Repository (Simon Fraser University) |
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ftsimonfu |
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English |
description |
A multi-disciplinary study at Port Eliza cave on Vancouver Island has refined the timing and character of late Wisconsinan environments and has significant implications for the Human Coastal Migration Hypothesis. Loss-on-ignition, paleomagnetic and sedimentological data show that there was continuous sedimentation through the last glacial maximum, implying a warmbased Cordilleran Ice Sheet. Radiocarbon dating supported by paleomagnetic data and U/Th ages constrain the time of maximum glaciation to between ca. 16 and 12.5 ka BP. Terrestrial floral and faunal data indicate a pre-Last Glacial Maximum, cold, dry, steppe environment with rare trees but a diverse fauna. Marine fossils represent a rich, dominantly nearshore fauna and suggest the sea was close to the cave. These data indicate that ice-free conditions lasted until at least 16 ka BP, and suggest that prior to the late Wisconsinan glacial maximum, humans could have survived on a mixed marine-terrestrial diet in the Port Eliza area. |
format |
Thesis |
author |
Al-Suwaidi, Majid Hassan |
spellingShingle |
Al-Suwaidi, Majid Hassan A multi-disciplinary study of Port Eliza cave sediments and their implications for human coastal migration |
author_facet |
Al-Suwaidi, Majid Hassan |
author_sort |
Al-Suwaidi, Majid Hassan |
title |
A multi-disciplinary study of Port Eliza cave sediments and their implications for human coastal migration |
title_short |
A multi-disciplinary study of Port Eliza cave sediments and their implications for human coastal migration |
title_full |
A multi-disciplinary study of Port Eliza cave sediments and their implications for human coastal migration |
title_fullStr |
A multi-disciplinary study of Port Eliza cave sediments and their implications for human coastal migration |
title_full_unstemmed |
A multi-disciplinary study of Port Eliza cave sediments and their implications for human coastal migration |
title_sort |
multi-disciplinary study of port eliza cave sediments and their implications for human coastal migration |
publishDate |
2005 |
url |
http://summit.sfu.ca/item/4497 |
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Ice Sheet |
genre_facet |
Ice Sheet |
op_relation |
http://summit.sfu.ca/item/4497 |
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1766031298939322368 |