DISCOVERY OF FOSSIL CERATOPHYLLUM DEMERSUM L. IN NORTHWEST TERRITORIES, CANADA

Fossil Ceratophyllum demersum L. was discovered on sites east of Great Slave Lake, Northwest Territories, Canada. This distribution is both north and east of its presently known range. The palynological evidence supports the conclusion that the climate was warmer than the present when the silt, in w...

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Bibliographic Details
Published in:Canadian Journal of Botany
Main Authors: Terasmae, J., Craig, B. G.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1958
Subjects:
Plant Science
Northwest Territories
Canada
Great Slave Lake
Online Access:http://dx.doi.org/10.1139/b58-050
http://www.nrcresearchpress.com/doi/pdf/10.1139/b58-050
Description
Summary:Fossil Ceratophyllum demersum L. was discovered on sites east of Great Slave Lake, Northwest Territories, Canada. This distribution is both north and east of its presently known range. The palynological evidence supports the conclusion that the climate was warmer than the present when the silt, in which the fossil plant remains were found, was deposited. A radiocarbon age of 5400 ± 230 years (L-428) has been obtained for the sample.

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