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Now showing items 15745-15764 of 39126
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(2004)The Au-Pd mineralization in olivine gabbros of the southern concentric block of the Volkov Pluton is controlled by inhomogeneous taxitic clinopyroxenite, wehrlite, and olivinite zones that, probably, formed in the presence ...
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(1987)A definition for ultrapotassic rocks is introduced using the chemical screens K2O > 3 wt.%, MgO > 3 wt.% and K2O/Na2O > 2 for whole-rock analyses. On this basis a data base of more than 800 analyses was retrieved by a ...
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(AGU, 1999)
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(PANGAEA, 2001-07-18)
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(Общество с ограниченной ответственностью «Георесурсы», 2018)The article presents a continual scale of natural waters based on the characteristics of a vector, constructed on the superimposed cationic and anionic Gibbs triangles. We made a stylized hydrochemical clock-type dial based ...
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(2004)In recent years, problems of the formation and distribution of ore deposits large and unique in their origin and scale have been discussed in publications and at international geological meetings. The aim of the present ...
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(2003)The portion of Earth’s mantle lying below the hemispherical region occupied by the Pacific Ocean basin is characterized by a unique style of convection. The unique dynamics below the ‘Pacific Hemisphere’ are revealed by ...
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(1997)New data on the vertical and lateral distribution of key fusulinid species revealed peculiar features of their communities in the North Uralian region. The Kasimovian Stage includes here all zonal species known in the Urals ...
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(1999)Paleontological study of the Upper Cretaceous sediments from wells 502 and 28 in the Volgograd region revealed distinct radiolarian and foraminiferal assemblages. Two stratigraphic levels, Coniacian-Santonian and upper ...
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(1996)Radiolarians and nannofossils have been studied in the two most complete upper Eocene sections of the Fergana depression, the classical region of the shallow-water Paleogene deposits in the southern part of the former ...
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(2002)Short-period array recordings from Pacific earthquakes show precursors to PP produced by underside reflections of P-waves off the discontinuities in the upper mantle. We use these events to study the structure of the ...
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(Днепропетровский национальный университет им. Олеся Гончара, 2019)The first discoveries of mummified carcasses of the woolly rhinoceros, mammoth, horse, roe deer and other animals were made at a depth of 12 m in the course of mining work at an ozokerite mine near the village of the ...
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(2002)Within the Alatau anticlinorium of the South Urals (the Zilim River middle course), structure and sedimentation settings of terrigenous and carbonate deposits of the Tangaur Subgroup of the Upper Riphean Karatau Group are ...
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(2002)Earthquake cumulative frequency-magnitude (CFM) distributions are described by the Gutenberg-Richter power law where the exponent is the b-value. Although it has been reported that the b-value changes before large earthquakes, ...
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(1999)The distributions and abundances of alteration types and carbonate minerals in sections of upper ocean crust have been measured in order to determine the carbon budget in altered ocean crust. Our results show that the ocean ...
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(2003)The mineral composition of uranium blacks was studied using analytical transmission electron microscopy based on selected-area electron diffraction. The stages of formation of mineralogical zoning in supergene profiles of ...
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(2002)Satellite radar altimetry is the most important data source for ice sheet elevation modeling but it is well established that the accuracy of such data from satellite borne radar altimeters degrade seriously with increasing ...
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(2002)Discusses the use of miller indices in the description of crystals. Definition of the miller indices; Significance of indices for the description of the geometry of crystals; Application of indices for the description of ...
Now showing items 15745-15764 of 39126