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Detailed aeromagnetic investigation of the Arctic Basin
Over 150,000 line-kilometers of low-level (152 m) aeromagnetic data were recorded in the western Arctic Basin by the U.S. Navy during four field seasons (1975–1978); data from the first 2 years wereExpand
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Asthenosphere motion recorded by the ocean floor south of Iceland
Abstract On the sea floor south of Iceland, V-shaped basement features symmetrical about the spreading axis, converge southward, crossing progressively younger isochrons. This relationship betweenExpand
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The role of the Spitsbergen shear zone in determining morphology, segmentation and evolution of the Knipovich Ridge
In 1989–1990 the SeaMARC II side-looking sonar and swath bathymetric system imaged more than 80 000 km2 of the seafloor in the Norwegian-Greenland Sea and southern Arctic Ocean. One of our main goalsExpand
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Deep Pleistocene iceberg plowmarks on the Yermak Plateau: Sidescan and 3.5 kHz evidence for thick calving ice fronts and a possible marine ice sheet in the Arctic Ocean
The southern Yermak Plateau (northwest of Spitsbergen) was investigated with 11-12 kHz sidescan sonar and 3.5 kHz profiler to test whether thick Pleistocene ice streams ever calved into the ArcticExpand
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Detailed magnetic surveys in the Northeast Atlantic and Labrador Sea
A complex history of ocean floor spreading in the northeast Atlantic is revealed by detailed marine grid surveys of the magnetic field between Reykjanes ridge and the British Isles and betweenExpand
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The Terceira Rift as hyper-slow, hotspot-dominated oblique spreading axis: A comparison with other slow-spreading plate boundaries
Abstract We suggest the 550 km long Terceira Rift (TR, Azores Plateau) is the world’s slowest-spreading (hyper-slow, 4 mm/a plate separation; 2.3–3.8 mm/a perpendicular to oblique axial segments)Expand
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Gas hydrate accumulation at the Håkon Mosby Mud Volcano
Abstract Gas hydrate (GH) accumulation is characterized and modeled for the Håkon Mosby mud volcano, ca. 1.5 km across, located on the Norway–Barents–Svalbard margin. Pore water chemical and isotopicExpand
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Geological, geochemical, and microbial processes at the hydrate-bearing Håkon Mosby mud volcano: a review
Abstract Submarine mud volcanoes are point sources of fluid expulsion and oases of active geological, geochemical, and microbial processes in the deep ocean. The results of multidisciplinaryExpand
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Rapid sea level rise and ice sheet response to 8,200-year climate event
[1] The largest abrupt climatic reversal of the Holocene interglacial, the cooling event 8.6-8.2 thousand years ago (ka), was probably caused by catastrophic release of glacial Lake Agassiz-Ojibway,Expand
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Western North Atlantic: Sedimentary Evolution and Aspects of Tectonic History
Drilling results from DSDP Leg 43 and earlier legs in the western North Atlantic are synthesized to examine the sedimentary history and aspects of the tectonic evolution of the basin. In the LateExpand
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