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ELibrary: Recent submissions
Now showing items 161-180 of 26285
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(2006)Two polymorphic modifications of Hg3S2 Cl2-xBrx (x ≈ 0.5), have been prepared in attempts to synthesize lavrentievite, Hg3S2 (Cl,Br)2(Cl ≥ Br), a rare supergene suffohalide of mercury. The growth of single crystals from a ...
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(2006)For the first time, using many years of measurements of lower-thermospheric parameters (the horizontal wind velocity for 1976-1995, and minimum reflection frequency for 1983-1991) over Irkutsk (52°N, 105°E), the dynamics ...
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(2006)The pyramidal spiriferids Thomasaria Stainbrook, 1945 and Pyramina Ljaschenko, 1969 from the collection of brachiopods of Ljaschenko are examined. New data on the shell microornamentation and inner structure support the ...
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(2006)Long-term studies of living and fossil mammals of the Altai Mountains (= Gornyi Altai) revealed the pattern of the dynamics of small mammal communities in this region in the second half of the Pleistocene, in the Holocene, ...
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(2006)The paper describes organic remains of one billion years old from the Lakhanda microbiota of the Uchur-Maya Region of southeastern Siberia. The microfossils were discovered on organic sapropelic films. The preserved ...
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(2006)"Earthquake chains" are clusters of moderate-size earthquakes which extend over large distances and are formed by statistically rare pairs of events that are close in space and time ("neighbors"). Earthquake chains are ...
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(2006)The phylogeny and taxonomy of the brachiopod family Linoproductidae are revised. The change in the distributional pattern of spines and distinctive structure of the median lobe of the cardinal process are shown to be the ...
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(2006)The fossil teeth of land mammals offer a powerful tool to map the regional details of past climate change in the terrestrial realm. We use mean plant-eater hypsodonty (molar crown height) of late Neogene mammal localities ...
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(2006)New bryozoans from the Middle-Upper Devonian (Eifelian-Frasnian) and the Lower Carboniferous (Tournaisian) of the Holy Cross Mountains in central Poland are described: Bigeyella sparsa gen. et sp. nov., B. separata gen. ...
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(2006)Behavior of gradient and phase velocity vectors of ULF (F < 1 Hz) geomagnetic disturbances was investigated for two earthquake (EQ) events in Japan in 2000 (M > 6) and 2003 (M = 5.8) years. The gradient and phase velocity ...
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(2006)Geochemical and geochronological studies reveal three distinct groups of Neoproterozoic to Early Paleozoic mafic intrusions in the Biryusa metamorphic massif of southwestern Siberia. Group 1 includes mafic sills that ...
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(2006)We present the first detailed seismic velocity models of the crust and uppermost mantle around the Mirnyi kimberlite field in Yakutia, Siberia. We have digitized vintage seismograms that were acquired in 1981 and 1983 by ...
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(2006)We study preseismic behavior of the ULF geomagnetic variations at Karymshino (E158.13, N52.83), Russia, and Matsukawa (E140.94, N39.88), Japan. A depression of ULF power around local midnight is registered several days ...
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LONG-PERIOD TRENDS IN GLOBAL SEISMIC AND GEOMAGNETIC ACTIVITY AND THEIR RELATION TO SOLAR ACTIVITY (2006)In the present paper, we are comparing the century-scale trends and decadal variations in seismic activity, and are looking for a relation to century-scale and decadal changes in solar and geomagnetic activity. The possible ...
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(2006)Rock-Eval pyrolysis and microscopic analyses of Palaeogene terrestrial strata from the western Kamchatka coastal margin, Russia, indicate that good oil-prone source rocks are present in both coals and shales. Hydrogen ...
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(2006)The Zapolyarnyi volcanic center is confined to the boundary between the oldest volcanic formations (I and II) of the Pechenga complex. Its structure and rock association are significantly different from those of numerous ...
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(2006)The type species of the genera Echinospirifer Ljaschenko, 1973 Komispirifer Ljaschenko, 1973 and Mennespirifer Ljaschenko, 1973 were revised based on material from the memorial collection of A.I. Ljaschenko. Mennespirifer ...
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(2006)Fragmentary remains of ornithomimids (Ornithomimidae indet.) from the Lower Santonian (Upper Cretaceous) Kansai locality in northwestern Fergana (Tajikistan) are described, and the composition of its dinosaurian assemblage ...
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(2006)The solubility of Ni in silicate melts with variable SiO2 content was studied at a total pressure of 1 atm within a wide range of temperature and oxygen fugacity. The maximum solubility of Ni (minimum activity coefficient ...
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(2006)The partitioning of a number of trace elements (Ba, Nb, Zr, Y, REE, etc.) between orthopyroxene, garnet, and carbonate-silicate melt was experimentally studied using a belt apparatus at pressures of 3.5-4.2 GPa and ...
Now showing items 161-180 of 26285