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Browsing ELibrary by Title
Now showing items 11614-11633 of 21934
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(2002)This article reviews new data on the geological structure, geological-structural setting, and zonality of the Zgid deposit. Due to the discrepancy between the geological structure of the deposit atb the surface and at lower ...
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(1990)Domelike volcanic uplifts are widespread on Venus. The author has compiled a map of such uplifts and coronae for the comparatively well studied northern part of Venus, as well as the less well known southern part of that ...
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(2003)Tectonic stress is one of the fundamental data sets in Earth sciences comparable with topography, gravity, heat flow and others. The importance of stress observations for both academic research (e.g. geodynamics, plate ...
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(2002)The North Asia craton is a crustal block including the Siberian platform and marginal fold-and-thrust belts. On the eastern margin of the North Asia craton there is the Verkhoyansk fold-and-thrust belt making up the western ...
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(2004)The Agardagh Tes-Chem ophiolite in Tuva, Central Asia, is part of the Central Asian Mobile Belt which formed during subduction-accretion processes lasting from the early Neoproterozoic to the late Palaeozoic. The ophiolite ...
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(2004)On the basis of analysis of materials obtained in studying the inner structure of natural faults by geological and experimental methods, main types of structural environments for localization of ore fields have been ...
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(2001)The Angara fault zone that extends from the Baikal Rift into the Siberian Platform through the most densely populated regions of Siberia has been investigated using geological and structural data. A database including 243 ...
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(1998)Volcanogenic-siliceous and sedimentary-volcanogenic rock complexes are distinguished in the Anastasiya Bay area (the Koryak Highland) in the western coast of the Aleutian Basin. The age of siliceous beds in these complexes ...
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(1996)Enthalpy relaxation of a reheated natural tektite glass has been used to determine the cooling-rate of the glass in nature. The relaxation parameters for the tektite samples were obtained by internal calibration through a ...
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(2003)Teleseismic P-n phases with a long, high-amplitude coda, are observed to offsets 3000 km along the Peaceful Nuclear Explosion seismic profiles Quartz and Ruby. For the high-frequency (5 Hz) part of the Quartz data, which ...
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(2005)New precise Te isotope data acquired by multiple collector inductively coupled plasma mass spectrometry (MC-ICPMS) are presented for selected extraterrestrial and terrestrial materials. Bulk samples of carbonaceous, ordinary ...
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(2001)The chromium-bearing kyanite specimen U-158, extracted from a kyanite-eclogite xenolith in a Yakutian kimberlite pipe was studied by transmission electron microscopy TEM. This specimen has an analysed composition (Al-1.989 ...
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(2003)A monoclinic KAlSi3O8 feldspar Manebach twin boundary was synthesized by diffusion bonding and examined using high-resolution transmission electron microscopy. The sharp (001) twin boundary is straight and free of strain. ...
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(1998)TEM characterization of progressive alteration of igneous biotite to kaolinite throughout a weathered soil profile was carried out to study the mechanisms of the reaction from biotite to kaolinite. A biotite-like phase ...
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(1998)TEM characterization of progressive alteration of igneous biotite to kaolinite throughout a weathered soil profile was carried out to study the mechanisms of the reaction from biotite to kaolinite. A biotite-like phase ...
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(1996)The surface microtopography of synthetic magnesian calcite overgrowths on calcite powders was imaged on Pt-C replicas by transmission electron microscopy. The overgrowths were precipitated at room temperature under ...
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(1995)Nuclear explosions represent a useful simulation of meteorite impacts. Stresses of tens of gigapascals are produced during detonation and stress pulses can last 0.1 ms or longer, which is 3-4 orders of magnitude longer ...
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(2001)Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) observations on a suite of mid-ocean ridge basalts (MORB) reveal abundant interstitial glass, which differs in occurrence and composition from ...
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(1995)Seismic anomaly structures at the bottom of the lower mantle may be interpreted in terms of large temperature variations based on new laboratory data at very high pressure: (1) sound velocity measurements at mantle pressures ...
Now showing items 11614-11633 of 21934