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ISBN: 0813721814
Language: English
Publisher: Geological Society of America (1980)
Pages: 57
Subcategory: No category
Rating: 4.8
Votes: 510
Size Fb2: 1782 kb
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Glacial-marine sediment comprises most of the sediment in the sandy lutites, pink-white layers, and .

Authigenic ferromanganese particles and Foraminifera frequently occur in significant quantities in the silty lutites but are generally rare in the other sediment types. The dominance of glacial-marine sediment throughout the stratigraphic section of the Eastern Cordillera supports the theory of more or less continual ice-transport of sediment to the Arctic Ocean for a minimum of . 4 .

Stratigraphy and glacial-marine sediments of the Amerasian Basin, Central Arctic Ocean. In total, six physiographically distinct areas are outlined. In five of these, cores can be correlated over large distances through characteristic patterns in sediment physical properties.

for the Amerasian Basin of the Arctic Ocean. We have investigated whether or not it is possible to apply this. lithostratigraphy to cores from the Lomonosov Ridge, which can be correlated to Eurasian Basin cores, for the purpose of correlating the Amerasian and Eurasian stratigraphies

Stratigraphy and glacial-marine sediments of the Amerasian Basin, central Arctic Ocean. Quaternary history of sea ice and paleoclimate in the Amerasia basin, Arctic Ocean, as recorded in the cyclical strata of Northwind Ridge

Stratigraphy and glacial-marine sediments of the Amerasian Basin, central Arctic Ocean. Geological Society of America Special Paper 181, 57p. Dell'Agnese, D. J. and D. L. Clark, 1994. Siliceous microfossils from the warm Late Cretaceous and Early Cenozoic Arctic Ocean. Quaternary history of sea ice and paleoclimate in the Amerasia basin, Arctic Ocean, as recorded in the cyclical strata of Northwind Ridge. Geological Society of America Bulletin, v. 109, p. 1101-1115. Poore, R. S. E. Ishman, R. Phillips, and D. H. McNeil, 1994. Quaternary stratigraphy and paleoceanography of the Canada Basin, western Arctic Ocean.

Stratigraphy and glacial-marine sediments of the Amerasian Basin, central Arctic Ocean /. Published 1980 Special papers (Geological Society of America) ; no. 18. .

The Amerasia Basin, or Amerasian Basin, is one of the two major basins from which the Arctic Ocean can be subdivided (the other one being the Eurasian Basin). The triangular-shaped Amerasia Basin broadly extends from the Canadian Arctic Islands to the East Siberian Sea, and from Alaska to the Lomonosov Ridge. The basin can be further subdivided based on bathymetric features; these include the Canada Basin, the Makarov Basin, the Podvodnikov Basin, the Alpha-Mendeleev Ridge, and the Chukchi Plateau.

Stratigraphy and glacial marine sediments of the Amerasian Basin. Geological Society of America 181: 1–57. Gordienko, P. A. and Laktionov, A. F. 1969. Circulation and physics of the Arctic Basin waters. Annals of the International Geophysical Year 46: 94–122. Magnetostratigraphy in three Arctic Ocean sediment cores; arguments for geomagnetic excursions within oxygen-isotope stage 2–3. Physics of the Earth and Planetary Interiors 43: 173–84. Manley, T. Codispoti, L. Hunkins, K. L, Jackson, H. Jones, E. Lee, . Moore, . Morison, . Packard, T. and Wadhams, P. 1982. Eos 63: 35. Markussen, B. 1986.

Amerasia Basin is the product of two phases of counterclockwise rotational opening about a pole in the lower Mackenzie Valley of.

Amerasia Basin is the product of two phases of counterclockwise rotational opening about a pole in the lower Mackenzie Valley of NW Canada. The symmetry of the proto-Amerasia Basin was disrupted by clockwise rotation of the Chukchi Microcontinent into the basin from an original position along the Eurasia margin about a pole near 72°N, 165 W about 14. –140 Ma. Phase 2 opening enlarged the proto-Amerasia Basin by intrusion of mid-ocean ridge basalt along its axis between about 131 and 12. Ma.

Stratigraphy and glacial-marine sediments of the Amerasian Basin, central Arctic Ocean Geological Society of.Ice-age thermal response and climate role of the surface Atlantic Ocean 40°N to 63°N Geological Society of America Bulletin 95 in press.

Stratigraphy and glacial-marine sediments of the Amerasian Basin, central Arctic Ocean Geological Society of America, Special Paper 181. Darby, . Carbonate Cycles and Clay Mineralogy of Arctic Ocean sediment cores Arctic Ocean sediment studies, Technical Report 8 University of Wisconsin Madison. Ewing, M. Wollin, G. (1964). Sediment cores from the Arctic and subarctic seas Science 144.

Glacial geomorphology of the Central Arctic Ocean: the Chukchi . Structure and stratigraphy of the Hanna Trough, . Chukchi Shelf, Alaska. Geological Society of America Special Papers, vol. 360, p. 209–224.

Earth Surface Processes and Landforms 33 (4), 526–545. Seismic investigations along the western sector of Alpha Ridge, Central Arctic Ocean. Miller, A. Grantz, . Klemperer (Ed., Tectonic evolution of the Bering shelf – Chukchi Sea – Arctic Margin and Adjacent Landmasses.

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