The Fernbank interglacial site near Ithaca, New York, USA

The Fernbank interglacial site, on the west side of Cayuga Lake, New York, has been recently subjected to more detailed study. To a lengthened mollusc list are added ostracodes, insects, fish, pollen, and plant macrofossils. Of these, plants are well preserved and diverse, whereas other groups are p...

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Bibliographic Details
Published in:Quaternary research 2009-07, Vol.72 (1), p.132-142
Main Authors: Karrow, Paul F., Bloom, Arthur L., Haas, Jean Nicolas, Heiss, Andreas G., McAndrews, John H., Miller, Barry B., Morgan, Alan V., Seymour, Kevin L.
Format: Article
Language:English
Subjects:
Finger Lakes
Fish
Insects
Interglacial
Mollusca
Molluscs
Ostracodes
Plant macrofossils
Pollen
Sangamon
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Summary:The Fernbank interglacial site, on the west side of Cayuga Lake, New York, has been recently subjected to more detailed study. To a lengthened mollusc list are added ostracodes, insects, fish, pollen, and plant macrofossils. Of these, plants are well preserved and diverse, whereas other groups are poorly preserved and incomplete. Nevertheless, all support the interglacial assignment (Sangamon), which is further supported by minimum age radiocarbon dates (>50,000 14C yr BP) and a TL date of 81 ± 11 ka. In the plant record near the top of the sequence, abundant tree charcoal indicates forest fires. Like the Toronto interglacial record, the plants show a declining July mean temperature from 24 to 18°C (according to transfer functions) through the sequence, from mixed deciduous forest to boreal forest.
ISSN:0033-5894
1096-0287
DOI:10.1016/j.yqres.2009.02.008