New Radiocarbon Dates from the Yale Area of the Lower Fraser River Canyon, British Columbia

Autor:	G. E. Rouse, R. W. Mathewes, C. E. Borden
Rok vydání:	1972
Předmět:	Canyon geography geography.geographical_feature_category law General Earth and Planetary Sciences Radiocarbon dating Archaeology Geomorphology Geology Chronology Volcanic ash law.invention
Zdroj:	Canadian Journal of Earth Sciences. 9:1055-1057
ISSN:	1480-3313 0008-4077
DOI:	10.1139/e72-089
Popis:	Three new radiocarbon dates from two lakes near Yale, B.C. establish that ice-free conditions existed in parts of the Lower Fraser Canyon as early as 11 430 ± 150 B.P. A volcanic ash layer found in both lakes is considered to have come from the Mount Mazama eruption, based on a radiocarbon date from Squeah Lake. Mention is made of the problematic relationship of the three new dates to post-Vashon chronology in this area.
Databáze:	OpenAIRE
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