نتایج جستجو برای: foreland basin
تعداد نتایج: 57595 فیلتر نتایج به سال:
The 3.22-3.10 Ga old Moodies Group, uppermost unit of the Swaziland Supergroup in the Barberton Greenstone Belt (BGB), is the oldest exposed, well-preserved quartz-rich sedimentary sequence on earth. It is preserved in structurally separate blocks in a heavily deformed fold-and-thrust belt. North of the Inyoka Fault, Moodies strata reach up to 3700 m in thickness. Detailed mapping, correlation ...
The middle Cretaceous Colorado Group of the Western Canadian Sedimentary Basin consists predominantly of mudstone deposited during major marine inundations interspersed with relatively thin sandstone and conglomerate beds. The Colorado Group petroleum system, containing a large portion of the light-medium oil and natural gas reserves within the Middle Jurassic to Cretaceous foreland basin succe...
To predict erosion rates throughout the Andes, we conducted a multiple regression analysis of the sediment discharge from 47 drainage basins in the Bolivian Andes and various topographic, climatologic, and geologic parameters. These mountainous basins are typically large (17–81,000 km; km), often have decades of measurement mean p 11,000 data on daily water and sediment discharge, and display a...
The Precambrian to Cambrian strata at the southwestern margin of Siberian Platform are ubiquitously characterized by a gradual transition from red-colored alluvial and deltaic deposits shallow-marine carbonates, reflecting transgressive infill accommodation space foreland basin. However, supposed synchronicity Early marine events calls for verification geochronological bio- chemostratigraphic d...
U-Pb ages of the Himalayan foreland basin Northeast India: Implications for the India-Asia collision
Abstract The Miocene of the Western Alpine foreland basin were deposited in a north–south seaway along active alpine orogenic front. In subalpine massifs and southern Jura mountains, revised stratigraphy documents detailed chronology thrust propagation at western front, where tectonic activity had primary influence on palaeogeographical evolution. Here we propose nine maps during Miocene, first...
The tectonic opening of the Tasmanian Gateway and Drake Passage represented crucial geographic requirements for Cenozoic development Antarctic Circumpolar Current (ACC). Particularly complexity has hampered exact dating deepening phases, consequential onset throughflow ACC. One obstacles is putting key regional events, recorded in southern Patagonian sediments, absolute time. For that purpose, ...
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