Quaternary history of sea ice and paleoclimate in the Amerasia basin, Arctic Ocean, as recorded in the cyclical strata of Northwind Ridge
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Abstract
The 19 middle-early Pleistocene to Holocene bipartite lithostratigraphic cycles observed in high-resolution piston cores from Northwind Ridge in the Amerasia Basin of the Arctic Ocean, provide a detailed record of alternating glacial and interglacial climatic and oceanographic conditions and of correlative changes in the character and thickness of the sea-ice cover in the Amerasia Basin. Glacial conditions in each cycle are represented by gray pelagic muds that are suboxic, laminated, and essentially lacking in microfossils, macrofossils, trace fossils, and generally in glacial erratics. Interglacial conditions are represented by ochre pelagic muds that are oxic and bioturbated and contain rare to abundant microfossils and abundant glacial erratics.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Quaternary history of sea ice and paleoclimate in the Amerasia basin, Arctic Ocean, as recorded in the cyclical strata of Northwind Ridge |
| Series title | Geological Society of America Bulletin |
| DOI | 10.1130/0016-7606(1997)109<1101:QHOSIA>2.3.CO;2 |
| Volume | 109 |
| Issue | 9 |
| Year Published | 1997 |
| Language | English |
| Publisher | Geological Society of America |
| Description | 15 p. |
| First page | 1101 |
| Last page | 1115 |
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