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GeologyScience Repository: Recent submissions
Now showing items 101-120 of 41505
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(2006)The Southern Prince Charles Mountains (SPCM) are mostly occupied by the Archaean Ruker Terrane. The Lambert Terrane crops out in the northeastern part of the SPCM. New geochemical and zircon U-Pb SHRIMP ages for felsic ...
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(2006)It is shown that globular phyllosilicates subjected to deep categenesis are abundant in Middle Riphean sandstones and siltstones (lower subformation of the Arymas Formation) of the Olenek High. Their detailed structural- ...
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(2006)The results of tectono-metallogenic, geological-structural, mineralogical, isotopic, and thermobarogeochemical studies at the Alshar deposit and in the adjacent area are discussed. The data obtained show that the gold ...
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(2006)The current concepts of two competing sources of manganese deposited as oceanic Fe-Mn ore are reviewed and assessed critically. A new solution of this problem proposed in this paper is a further development of fundamental ...
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(2006)The Sr, Nd and Pb isotopic compositions for the Kovdor phoscorite-carbonatite complex (PCC), Kola Peninsula, NW Russia, have been determined to characterize the mantle sources involved and to evaluate the relative contributions ...
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(2006)Several gas seeps and near-surface gas hydrate deposits have been identified in 850-900-m water depth on the continental slope offshore Batumi, Georgia (eastern Black Sea) using deep-towed high-resolution sidescan sonar ...
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(2006)The validity of some data in Karakhanian et al. [Karakhanian, A., Djrbashian, R., Trifonov V., Philip H., Arakelian S., Avagian, A., 2002. Holocene-historical volcanism and active faults as natural risk factor for Armenia ...
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(2006)The meteorite collection of the Russian Academy of Sciences is the largest and most unique collection of meteorites in Russia, and one of the famous meteorite collections in the world. The collection contains more than ...
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(2006)Results of the first detailed study of mineral and chemical compositions in the rift zone of Iceland near the town of Hveragerdi are presented. The major clayey components represented by dioctahedral smectites (mainly, ...
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(2006)We propose a new technique to obtain source spectra and seismic moments of regional earthquakes from envelopes of seismic coda. As compared to existing methods, our approach is based on a physical model of the scattering ...
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(2006)New isotope data on Lower Cambrian rocks of the Irkutsk amphitheater are reported in three communications. The first communication is devoted to the sulfur isotopic composition, which is most sensitive to ostsedimentary ...
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(2006)The current concepts concerning the genesis of the unique ore-bearing reefs of the Witwatersrand Basin and its gold resource potential are considered. The results of microscopic examination of ore from the Black, Ventersdorp ...
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(2006)New field, structural, petrologic, and age data show that tectonic styles and metamorphic histories in the West Alldays area of the Central Zone of the Limpopo Complex, southern Africa, can be linked to neo-Archean and ...
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(2006)We use magnetic intensity data to determine the geometries of basalt-filled rifts of the West Siberian Basin. En echelon graben arrays suggest a component of right-lateral, north-south shear during east-west extension ...
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(2006)Discontinuity and periodicity of tectonic processes, eustatic fluctuations of the ocean level, volcanic and metallogenic activity, and some other global processes in the Earth's history are indicative of the pulsatory ...
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(2006)A technique has been developed for pH measurement in flow-through cells at temperatures from 175 to 350°C and pressures up to 350 bars in a nonisothermal cell consisting of a ZrO2(Y2 O3) ceramic electrode and a Ag/AgCl (2 ...
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1.8 GA MAGMATISM IN THE FENNOSCANDIAN SHIELD; LATERAL VARIATIONS IN SUBCONTINENTAL MANTLE ENRICHMENT (2006)The ca. 1.8 Ga post-collisional magmatism in the southern part of the 2.1-1.86 Ga Svecofennian domain of the Fennoscandian Shield have been studied with particular reference to the character and sources of the mafic rocks ...
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(2006)Results of the detailed study of Miocene volcanic ashes from Kerch and Taman peninsulas are presented. Based on the distribution of pyroclastics in the rocks under consideration, the Sarmatian and late Meotian stages of ...
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(2006)Ontogenetic change in δ18O values of the investigated Nautilus pompilius Linne shell in the Philippines (Tagnan, Panglao Islands, Bohol Island area) confirms data, in which Nautilus in the wild shows a marked increase in ...
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(2006)Bivalve mollusks are very important in the Permian biota of Northeast Asia. During the Permian the bivalves had different distribution patterns both in space and time, and their occurrence was governed by many factors ...
Now showing items 101-120 of 41505