Tectonic setting and history
Detrital zircon record and tectonic setting
... the tectonic setting of the basin in which they are ...the history of the underlying ...the tectonic setting in which the sediment was ...
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Geochemistry and Tectonic Setting of Kohe Siahvolcanoes, North Qorveh, Sanandaj, Iran
... 3. Discussion 3.1. Regional Geology The Qorveh area is geologically, divided in two northern and southern sector. The northern and southern have main different magmatic and structural evolu- tion history. The ...
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Basin Development and Tectonic History of the Llanos Basin. Cooper 36
... INTRODUCTION The physiography of Colombia is dominated by the Andes mountains in the western half of the country and by the Amazon-Orinoco basin in the east. The Colombian Andes are split into three ranges—the Western, ...
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Geochemistry and Mineralogy of Clastic Sediments of Tukau Formation: Implications on Provenance and Tectonic Setting
... Abstract Provenance studies are intended to reconstruct and to interpret the history of sediments from their original source area until their final deposition process. A provenance study is proposed on the clastic ...
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From Nuna to Gondwana : a critical assessment of the early tectonic history of Tasmania
... The new geodynamic model presented here may help resolve the apparent along strike differences in subduction zone polarity associated with the Ross–Delamerian Orogeny by viewing the period of east-dipping subduction in ...
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Provenance and Tectonic Setting of Late Archaean Greywackes from Dharwar Craton: Karnataka, India
... predepositional history of sediment or sedimentary ...and setting of the source region, climate and relief in the source area, and the specific type of sedimentary rocks, geochemical features and heavy ...
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Provenance analysis and tectonic setting of the Triassic clastic deposits in Western Chukotka, Northeast Russia
... Western Chukotkan Triassic deposits originated on the continental margin of the Chukotka microcontinent and are composed of thick terrigenous units accumulated in a large oceanic basin on a passive continental margin. ...
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Geochemical And Petrographic Studies Of Lokoja Sandstone: Implications On Source Area Weathering, Provenance, And Tectonic Setting
... Figure 1.Geological map of Nigeria showing locations of Middle Niger Basin (After Obaje et al., 2004). Lacustrine environments occurred at the basin’s axis and close to the margins. This suggests that the depocenter must ...
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Rome in its setting Post glacial aggradation history of the Tiber River alluvial deposits and tectonic origin of the Tiber Island
... sedimentary history and human-environment interactions in the Forum Boarium, the location of the earliest harbor of the ...possible tectonic activity along a morpho-structural lineament, revealed by the ...
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Investigations on the Mesozoic Geologic and Tectonic History of the Jackson Mountains, Northwest Nevada
... predominantly locally derived clasts of Happy Creek Igneous Complex and plutons from the Early Mesozoic Intrusive Suite deposited in alluvial fan type settings. Our new detrital zircon data support this interpretation; ...
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Geologic and tectonic setting of the MARK area
... The low ampli- tude of the central magnetic anomaly at this latitude (profile.. Simplified tectonic map of the inner rift valley of the MARK area based on the Sea Beam and SeaMARC I sit[r] ...
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Tectonic history of the South West Pacific region
... to be substantiated as new data becomes available. Their main contribution at this stage is probably to define criticalareas from which More information is required, and it is in this [r] ...
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The tectonic history of the Dial Range area, Tasmania
... subangular pebbles of white, foliated sandstone averaging one inch but ranging up to six inches in diameter form almost el ty percent of the rook. One solitary pebble of chart was not[r] ...
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The tectonic history of the Dial Range area, Tasmania
... of the axial surfaces of the polyelinal folds form a sheaf which has axis parallel to the axes of rods (plate nte). The axes and axial surfaces define an imposed axial sutfnbrie[r] ...
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GEOCHEMISTRY AND TECTONIC SETTING OF THE METAVOLCANIC ROCKS OF GADWAL GREENSTONE BELT
... different tectonic settings whereas the eastern Dharwar craton (EDC) has predominance of tholeiite-bimodal sequences with limited occurrence of sedimentary ...
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Origin, structural and tectonic history of the Macquarie Island region
... The formation of the eastern Indian/ Australian oceanic plate south of Australia, to which the Macquarie Island rocks belong, has been investigated from sea-floor spread[r] ...
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Stratigraphy, sedimentology and tectonic setting of the Lampang Group, central north Thailand
... (Chonglakmani, 1981) indicating early late Triassic (middle Caniian) to late Triassic (early Norian). 2) One of the most critical clues for unravelling the problem is the stratigraphic [r] ...
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Studying Petrology and Determining Tectonic Setting of Bidkhan Area Southeast of Iran
... 3. Discussion The most important tectonic structures that exist are main, reverse, and relatively long quadruplet faults that have a northern-southern trend and movement. Fracture and minor faults of the strike ...
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Provenance and tectonic setting of the Triassic Yidun Group, the Yidun Terrane, Tibet
... Hence we can infer that the eastward subduction model of the Jinsha Ocean under the Zhongza Massif is implausible. It has been suggested that the Yidun Group in the Changtai area formed in a back-arc basin, on the basis ...
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Petrogenesis and tectonic setting of Mesozoic granitic rocks in Eastern South China
... and tectonic setting of these granitoids can not only help to constrain regional geological evolution but also provide insights into the general understanding of granite petrogenesis and magmatic processes ...
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