A reassessment of the Erie Interstade from field work in the Cayuga basin, central New York
The Erie Interstade is generally accepted to have been a relatively warm period associated with retreat of the Laurentian ice sheet into the Lake Ontario basin, followed by a readvance to the Valley Heads (Port Bruce Stade) ice front in central New York. Recent investigations in the Cayuga basin ind...
Published in: | Canadian Journal of Earth Sciences |
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crcansciencepubl:10.1139/cjes-2022-0104 2023-12-17T10:26:33+01:00 A reassessment of the Erie Interstade from field work in the Cayuga basin, central New York Karig, Daniel E. 2023 http://dx.doi.org/10.1139/cjes-2022-0104 https://cdnsciencepub.com/doi/full-xml/10.1139/cjes-2022-0104 https://cdnsciencepub.com/doi/pdf/10.1139/cjes-2022-0104 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Earth Sciences volume 60, issue 8, page 1223-1243 ISSN 0008-4077 1480-3313 General Earth and Planetary Sciences journal-article 2023 crcansciencepubl https://doi.org/10.1139/cjes-2022-0104 2023-11-19T13:38:58Z The Erie Interstade is generally accepted to have been a relatively warm period associated with retreat of the Laurentian ice sheet into the Lake Ontario basin, followed by a readvance to the Valley Heads (Port Bruce Stade) ice front in central New York. Recent investigations in the Cayuga basin indicate that this ice front retreated only to the Ithaca area during the Erie Interstade. In the Cayuga trough, Erie glaciolacustrine strata underlie Valley Heads deposits. Plant assemblages in these strata indicate a sub-Arctic environment. Erie deposits also occur in the Fall Creek Valley, where a varved sequence below Valley Heads till and above Nissouri till indicate deposition close to a retreating ice front. Remanent magnetic declination in the varves is 357°, best correlated with lower Newport beds of the Middleville fm in the Mohawk Valley and suggests an age of 17.7 ± 0.1 ka cal for the peak of the Erie retreat. Retreat only to the Ithaca area is based on the lack of Erie deposits north of Ithaca, an oscillation of the ice front around the south end of Cayuga Lake, and the lack of a fluvial interval in the Cayuga trough that would have marked retreat into the Ontario basin. Ice core data from Greenland and sea level studies demonstrate that the Erie Interstade was neither a warm period nor a time of significant sea level rise. The Erie Interstade retreat/Valley Heads readvance appears instead to represent a minor reversal in the general, slow ice front retreat from the Last Glacial Maximum to the warm up at Melt Water Pulse 1. Article in Journal/Newspaper Arctic Greenland ice core Ice Sheet Canadian Science Publishing (via Crossref) Arctic Greenland Canadian Journal of Earth Sciences 60 8 1223 1243 |
institution |
Open Polar |
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Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
General Earth and Planetary Sciences |
spellingShingle |
General Earth and Planetary Sciences Karig, Daniel E. A reassessment of the Erie Interstade from field work in the Cayuga basin, central New York |
topic_facet |
General Earth and Planetary Sciences |
description |
The Erie Interstade is generally accepted to have been a relatively warm period associated with retreat of the Laurentian ice sheet into the Lake Ontario basin, followed by a readvance to the Valley Heads (Port Bruce Stade) ice front in central New York. Recent investigations in the Cayuga basin indicate that this ice front retreated only to the Ithaca area during the Erie Interstade. In the Cayuga trough, Erie glaciolacustrine strata underlie Valley Heads deposits. Plant assemblages in these strata indicate a sub-Arctic environment. Erie deposits also occur in the Fall Creek Valley, where a varved sequence below Valley Heads till and above Nissouri till indicate deposition close to a retreating ice front. Remanent magnetic declination in the varves is 357°, best correlated with lower Newport beds of the Middleville fm in the Mohawk Valley and suggests an age of 17.7 ± 0.1 ka cal for the peak of the Erie retreat. Retreat only to the Ithaca area is based on the lack of Erie deposits north of Ithaca, an oscillation of the ice front around the south end of Cayuga Lake, and the lack of a fluvial interval in the Cayuga trough that would have marked retreat into the Ontario basin. Ice core data from Greenland and sea level studies demonstrate that the Erie Interstade was neither a warm period nor a time of significant sea level rise. The Erie Interstade retreat/Valley Heads readvance appears instead to represent a minor reversal in the general, slow ice front retreat from the Last Glacial Maximum to the warm up at Melt Water Pulse 1. |
format |
Article in Journal/Newspaper |
author |
Karig, Daniel E. |
author_facet |
Karig, Daniel E. |
author_sort |
Karig, Daniel E. |
title |
A reassessment of the Erie Interstade from field work in the Cayuga basin, central New York |
title_short |
A reassessment of the Erie Interstade from field work in the Cayuga basin, central New York |
title_full |
A reassessment of the Erie Interstade from field work in the Cayuga basin, central New York |
title_fullStr |
A reassessment of the Erie Interstade from field work in the Cayuga basin, central New York |
title_full_unstemmed |
A reassessment of the Erie Interstade from field work in the Cayuga basin, central New York |
title_sort |
reassessment of the erie interstade from field work in the cayuga basin, central new york |
publisher |
Canadian Science Publishing |
publishDate |
2023 |
url |
http://dx.doi.org/10.1139/cjes-2022-0104 https://cdnsciencepub.com/doi/full-xml/10.1139/cjes-2022-0104 https://cdnsciencepub.com/doi/pdf/10.1139/cjes-2022-0104 |
geographic |
Arctic Greenland |
geographic_facet |
Arctic Greenland |
genre |
Arctic Greenland ice core Ice Sheet |
genre_facet |
Arctic Greenland ice core Ice Sheet |
op_source |
Canadian Journal of Earth Sciences volume 60, issue 8, page 1223-1243 ISSN 0008-4077 1480-3313 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/cjes-2022-0104 |
container_title |
Canadian Journal of Earth Sciences |
container_volume |
60 |
container_issue |
8 |
container_start_page |
1223 |
op_container_end_page |
1243 |
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1785578283057807360 |