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Browsing ELibrary by Title
Now showing items 9600-9619 of 22185
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(2004)A polycrystalline sample of natural laumontite (Pleasant Valley, Connecticut) was studied up to 6.8 (1) GPa at room temperature using monochromatic synchrotron X-ray powder diffraction and a diamond-anvil cell. A methanol: ...
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(1996)Our recently developed interaction potential (Belonoshko and Dubrovinsky, 1995) was slightly corrected to reproduce experimental Raman frequencies at 1 bar and 300 K. Molecular and lattice dynamics study with the corrected ...
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(2003)The crystal structure of a synthetic Rb analog of tetra-ferri-annite (Rb-TFA) 1M with the composition Rb0.99Fe2+3.03(Fe3+ 1.04 Si2.96)O10.0(OH)2.0 was determined by the single-crystal X-ray diffraction method. The structure ...
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(2001)The thermoelastic parameters of natural andradite and grossular have been investigated by high-pressure and -temperature synchrotron X-ray powder diffraction, at ESRF, on the ID30 beamline. The P–V–T data have been fitted ...
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PRESSURE-VOLUME-TEMPERATURE EQUATIONS OF STATE: A COMPARATIVE STUDY BASED ON NUMERICAL SIMULATIONS (2002)The P-V-T equation of state (EoS) models of Birch-Murnaghan, Vinet and Poirier-Tarantola have been compared with one another and discussed in the light of their ability to reproduce thermoelastic functions and parameters ...
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(1995)A primary carbonate phase with Ca/(Ca+Mg) in the range 0.85–0.95 has been identified in a metasomatized, depleted harzburgite nodule from Montana Clara Island, Canary Islands; textural relations show that this carbonate ...
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(1984)Most abyssal basalt can be divided into two groups based on major and minor element compositions of the glassy rinds of pillow lavas. Crystal differentiation models cannot relate one group to the other. Instead, depth of ...
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(1988)The mineralogical-geochemical properties of the rocks, together with their lithology, can be used to reconstruct the original color of the rocks of the Udokan series. Originally red complexes corresponding to certain of ...
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(1990)The Black Sea is a present-day analog of a typical past situation that promoted the development of sedimentary deposits rich in organics, including oil shales and the parent rocks of oil. In many cases the organic matter ...
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(1988)In aluminous gneiss of the Loukhi formation near the top of a small hill, a bed of garnet-zoisite gneiss was detected similar to rocks earlier reported in the same upper formation by N.G. Sudovikov. This garnet-zoisite ...
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(2001)The genesis of carbon-rich rocks (shungite rocks) and accompanying phtanites (lydites) from the Early Proterozoic (2,1-2,0 Ga) of the Transonega Formation in Karelia (Eastern Fennoscandian Shield) is discussed. Some features ...
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(1998)The Lesnaya Varaka ultramafic alkaline complex in the northeastern Fennoscandian Shield (Kola Peninsula, NW Russia) is a concentrically-zoned intrusion with a dominantly dunitic core (Fo85-92) surrounded by clinopyroxenites. ...
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PRIMARY TRAPPED MELT INCLUSIONS IN OLIVINE IN THE OLIVINE-AUGITE-ORTHOPYROXENE UREILITE HUGHES 009 (2001)We describe the first known occurrence of primary melt inclusions in a ureilite. The ureilite is Hughes 009, one of a small number of ureilites whose primary mineralogy is olivine-augite-orthopyroxene, rather than ...
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(2003)This paper reviews work on primitive silicate melt inclusions in basalt phenocrysts and evaluates its significance. Primary melt inclusions are small quantities of silicate melt included in minerals during coarsening, ...
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(2005)This paper presents the results of the paleomagnetic studies of the Naroch and Svir lake bottom deposits in Belorussia. The objects of study were nine columns of lake-floor sediments, totaling 6.50 m in thickness, collected ...
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(1989)One of the tasks of the 'Lithos' project is to identify the global relationships between the geochemical features of igneous rocks and the structural type of the lithosphere, as well as its geological history. Provided ...
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(1990)A wide range of tectonomagmatic phenomena in zones of plate interaction depends on the physical state of the mantle (or of its top 700-km layer), and especially on the rheology of its asthenospheric and subasthenospheric ...
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(2004)The Pripyat Trough is situated in the East-European Platform and is a part of the more extensive system of the Sarmatian-Turanian lineament. It is one of the most thoroughly drilled and seismically investigated oil-bearing ...
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(2003)We report the results of a study of 81 micrometer-sized presolar SiC grains in the size range 0.5-2.6 μm from the Murchison (CM2) carbonaceous chondrite. We describe a simple, nondestructive physical disaggregation technique ...
Now showing items 9600-9619 of 22185