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GeologyScience Repository: Recent submissions
Now showing items 81-100 of 41505
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(2006)The grain-size composition of nonlithified sediments in the Indian, Pacific, and Atlantic oceans is studied. Grain-size features of the major lithogenetic types of deep-water sediments are determined. The genetic interpretation ...
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(2006)Results of the study of a new Ge-bearing area of the Pavlovka brown coal deposit are presented. Ge is accumulated in bed III2 lying at the bottom of the Late Paleogene-Early Neogene coal-bearing sequence adjacent to the ...
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(2006)The distribution of gold in high-temperature fumarole gases of the Kudryavy volcano (Kurile Islands) was measured for gas, gas condensate, natural fumarolic sublimates, and precipitates in silica tubes from vents with ...
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(2006)Nodules of various compositions, including ferromanganese nodules, have been found in bottom sediments of an artificial reservoir in the central Altai Territory. The nodules were formed in the alkaline environment against ...
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(2006)Seismic reflection profiles, bathymetric and magnetic data collected along and across the continental margin of the Bellingshausen Sea provide new constraints and interpretations of the oceanic basement structure and ...
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(2006)Four types of oscillatory zoning patterns (OZP) produced by a dynamic model are described qualitatively and quantitatively and displayed as simulated cathodoluminescence images. The behavior of the dynamic model was ...
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(2006)The mineralogy of slightly metamorphosed manganese ore at the South Faizulino hydrothermalsedimentary deposit in the southern Urals has been studied; 32 minerals were identified. Quartz, hausmannite, rhodochrosite, tephroite, ...
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(2006)The Cenozoic (mostly Neogene) volcanic activity in Syria is part of the extensive magmatism that took place in the Mashrek Region, Middle East, from upper Eocene to Holocene (~40-0.0005 Ma). Samples in western Syria are ...
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(2006)On Kamchatka, detailed geologic and geomorphologic mapping of young volcanic terrains and observations on historical eruptions reveal that landslides of various scales, from small (0.001 km3) to catastrophic (up to 20-30 ...
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(2006)We investigated the isotope composition (O, C, Sr, Nd, Pb) in mineral separates of the two Precambrian carbonatite complexes Tiksheozero (1.98 Ga) and Siilinjärvi (2.61 Ga) from the Karelian-Kola region in order to obtain ...
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(2006)The paper presents materials on a new (unconventional for the Urals) noble metal (platinum-gold-iron oxide) mineralization confined to terrigenous sequences of the Middle Riphean Mashak Formation on the western slope of ...
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(2006)The study of specific features of the pyritization of mollusk fossil shells has provided new evidence of the relationship between the generation of hydrosulfides during the bacterial reduction of sulfates and the composition ...
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(2006)Results of the study of isotopic compositions of C, O, S, and Sr in late Precambrian sections of the Patom Complex and its analogues are presented. Total scatter in δ13C values is more than 21% (from -13.5 to 8.1). The ...
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(2006)The Kurile Arc consists of at least 100 submarine volcanoes and 5 submarine caldera located mainly in the rear arc. The arc is seismically very active, particularly in the south, and is characterized by extensive volcanism ...
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(2006)The minerals of Oldoinyo Lengai natrocarbonatite lavas are unstable under atmospheric conditions. Subsolidus mineral assemblages in natrocarbonatites were studied in 105 samples from contemporary eruptions ranging from ...
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(2006)Asteroids tens to hundreds of meters in diameter constitute the most immediate impact hazard to human populations, yet the rate at which they arrive at Earth's surface is poorly known. Astronomic observations are still ...
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(2006)~82 000 P and S arrival times from ~3000 sources recorded by ~250 seismic stations from the revised ISC catalogue are employed to study a circular area of 6. radius centred on the Dead Sea.We use the linearized tomographic ...
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(2006)We present palaeomagnetic results from Lower Cretaceous rocks in Bikin area of the Alchan basin (46.5°N, 134.7°E), Sikhote Alin orogenic belt, Far Eastern Russia. A high-temperature magnetization component with maximum ...
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(2006)An internally consistent thermodynamic database has been compiled for the Ag-Se (-II, 0, +IV)-S (-II, +VI)-Cl-O-H system on the basis of published experimental data. This database is fit for predicting the chemical properties ...
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(2006)A fish otolith assemblage from the Messinian 'Lago-mare' deposits of the Colombacci Formation cropping out in the Montecalvo in Foglia Syncline, Marche, central Italy, is described. The assemblage displays a low diversity ...
Now showing items 81-100 of 41505