Varying sediment sources (Hudson Strait, Cumberland Sound, Baffin Bay) to the NW Labrador Sea slope between and during Heinrich events 0 to 4

Type Article
Date 2012-07
Language English
Author(s) Andrews J. T.1, 7, Barber D. C.2, Jennings A. E.1, 7, Eberl D. D.3, Maclean B.4, Kirby M. E.5, Stoner J. S.6
Affiliation(s) 1 : Univ Colorado, INSTAAR, Boulder, CO 80309 ,USA.
2 : Bryn Mawr Coll, Environm Studies Program, Dept Geol, Bryn Mawr, PA 19010, USA.
3 : US Geol Survey, Boulder, CO, USA.
4 : Geol Survey Canada, Bedford Inst Oceanog, Dartmouth, NS, Canada.
5 : Cal State Fullerton, Dept Geol Sci, Fullerton, CA, USA.
6 : Oregon State Univ, Coll Ocean & Atmospher Sci, Corvallis, OR 97331, USA.
7 : Univ Colorado, Dept Geol Sci, Boulder, CO 80309 ,USA.
Source Journal Of Quaternary Science (0267-8179) (Wiley-blackwell), 2012-07 , Vol. 27 , N. 5 , P. 475-484
DOI 10.1002/jqs.2535
WOS© Times Cited 30
Keyword(s) Baffin Bay, detrital carbonate (DC-) events, Heinrich events, Labrador Sea, Laurentide Ice Sheet
Abstract Core HU97048-007PC was recovered from the continental Labrador Sea slope at a water depth of 945?m, 250?km seaward from the mouth of Cumberland Sound, and 400?km north of Hudson Strait. Cumberland Sound is a structural trough partly floored by Cretaceous mudstones and Paleozoic carbonates. The record extends from similar to 10 to 58?ka. On-board logging revealed a complex series of lithofacies, including buff-colored detrital carbonate-rich sediments [Heinrich (H)-events] frequently bracketed by black facies. We investigate the provenance of these facies using quantitative X-ray diffraction on drill-core samples from Paleozoic and Cretaceous bedrock from the SE Baffin Island Shelf, and on the?
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Andrews J. T., Barber D. C., Jennings A. E., Eberl D. D., Maclean B., Kirby M. E., Stoner J. S. (2012). Varying sediment sources (Hudson Strait, Cumberland Sound, Baffin Bay) to the NW Labrador Sea slope between and during Heinrich events 0 to 4. Journal Of Quaternary Science, 27(5), 475-484. Publisher's official version : https://doi.org/10.1002/jqs.2535 , Open Access version : https://archimer.ifremer.fr/doc/00265/37644/