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GeologyScience Repository: Recent submissions
Now showing items 161-180 of 43223
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(2006)In general heavy minerals are used for analysis of the depositional environment and to identify source areas of grains. To give an idea of the lithology in the provenance area petrographic microscopy may provide sufficient ...
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(2006)Suites of mantle-derived xenoliths in volcanic rocks provide estimates of the geothermal gradient and composition of the subcontinental lithospheric mantle (SCLM) at the time of the volcanic eruption. The development of ...
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(2006)The occurrence of a distinct type of multi-solid, highly-saline fluid inclusions, hosted in igneous quartz phenocrysts from the Llamo porphyry, in the Zaldívar porphyry copper deposit of northern Chile is documented. Total ...
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(2006)Since 1958, about ninety seismic refraction/wide angle reflection profiles, with a cumulative length of more than sixty thousand kilometers, have been completed in mainland China. We summarize the results in the form of ...
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(2006)Four new species of mayfly nymphs, Furvoneta relicta sp. nov., Clavineta eximia sp. nov. (originally Mesoneta antiqua), Mesobaetis latifilamentacea sp. nov., and Stackelbergisca cylindrata sp. nov. are described from the ...
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(2006)The metal chemistry of anoxic systems is dominated by reactions with reduced sulfur species. These reduced sulfur systems presently characterize the Earth’s subsurface and are occasionally important in marine and freshwater ...
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(2006)Australia's nickel sulfide industry has had a fluctuating history since the discovery in 1966 of massive sulfides at Kambalda in the Eastern Goldfields of Western Australia. Periods of buoyant nickel prices and high demand, ...
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(2006)The Middle Permian Izuru and Nabeyama Formations in the Kuzu area, Tochigi Prefecture are composed of thick basaltic rocks and fossiliferous partly dolomitized limestone. Fusulinoidean biostratigraphy is first established ...
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(2006)A suite of ice-rafted dropstones and glendonites throughout the Permian succession of eastern Australia indicates the cold climate associated with the late Palaeozoic ice age persisted longest in this part of Gondwana. ...
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(2006)Nine samples of subfossil bone and teeth remains from woolly mammoth (Mammuthus primigenius) discovered in Finland, Russian Karelia and Western Russia were analyzed for the oxygen isotope composition of the phosphate ...
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(2006)A 3-D layered structure of the Levant and the southeastern Mediterranean lithospheric plates was constructed using interpretations of seismic measurements and borehole data. Structural maps of three principal interfaces, ...
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(2006)The origin of the Levantine Basin in the Southeastern Mediterranean Sea is related to the opening of the Neo-Tethys. The nature of its crust has been debated for decades. Therefore, we conducted a geophysical experiment ...
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(2006)High-frequency controlled-source seismic sections with dense spatial sampling show the existence of heterogeneity at different depth levels of the continental crust and upper mantle. Our sources of information are the ...
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(2006)The sediments of the Barents Sea region carry geological information reflecting the influence of the Mjølnir impact event at the Volgian-Ryazanian boundary, even in remote locations without any direct macroscopic geological ...
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(2006)Several compressional contexts, such as those involving juvenile or thickened crust, are expected to be associated with rather hot lithospheres whose mechanical behaviour remains poorly documented. In this paper, we present ...
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(2006)We investigate numerically the evolution of crustal and lithospheric thickness, thermal structure, topography, and strain rate of the Tibetan Plateau through time, using the thin viscous sheet approach. We show that ...
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(2006)A diverse collection of globally distributed soil samples was analyzed for its glycerol dialkyl glycerol tetraether (GDGT) membrane lipid content. Branched GDGTs, derived from anaerobic soil bacteria, were the most dominant ...
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(2006)Neutrons offer the opportunity to determine the structure of liquid and amorphous materials directly by diffraction. The total structure factor, S(Q), determined in the diffraction experiment is directly related to the ...
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(2006)Deerite, a typical mineral of Fe-rich metacherts metamorphosed under blueschist conditions, is not rare, but known occurrences have up to now been restricted mainly to the Tethyan collisional zone and the Western Cordillera ...
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(2006)The Zagros (Iran) developed during Mio-Pliocene times in response to Arabia-Eurasia convergence. The western Fars highlights a major bend of the deformation front and displays a remarkable set of nearly N-S right-lateral ...
Now showing items 161-180 of 43223