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GeologyScience Repository: Recent submissions
Now showing items 3101-3120 of 40311
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(2005)A Late Paleocene (~60 Ma BP) lateritic soil from Northern Ireland (the Antrim paleosol, herein referred to as Nire) contains coexisting goethite, gibbsite, phyllosilicate, and hematite. The Fe(III) oxides exhibit pisolitic ...
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(2005)Спектр колебательных движений с периодичностью от суточных до высокочастотных является частью функционирования геосистем всех иерархических уровней. Короткопериодные колебания возбуждаются сильными внутрипланетными ...
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(2005)Sorption of Cm(III) and Eu(III) at trace concentrations onto Ca-montmorillonite (SWy-1) and Na-illite (Illite du Puy) has been studied under anaerobic conditions by batch sorption experiments and time-resolved laser ...
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(2005)Coupled CaCO3 dissolution-otavite (CdCO3) precipitation experiments have been performed to 1) quantify the effect of mineral coatings on dissolution rates, and 2) to explore the possible application of this coupled process ...
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(2005)The formation of the Ries impact and the moldavites have identical radiogenic ages of 14.3 Ma. According to this conformity in age moldavites are generally regarded as products of the Ries impact. This paper, which is ...
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(2005)Intergranular pressure solution (IPS) is a coupled chemical-mechanical process of widespread importance that occurs during diagenesis and low-temperature deformation of sedimentary rocks. Laboratory experiments on IPS in ...
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(2005)We experimentally determined the boron partitioning and boron isotope fractionation between coexisting liquid and vapor in the system H2O−NaCl−B2O3. Experiments were performed along the 400 and 450°C isotherms. Pressure ...
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(2005)The solubility of metallic mercury in dodecane, octane and toluene has been investigated experimentally at temperatures up to 200°C and pressures up to 6 bars (toluene). The equilibrium Hg concentrations are very similar ...
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(2005)The silicon isotope abundance ratios and atomic weights of NBS-28 and several other silicon isotope reference materials were determined in this study. For the calibration of the measurement procedure, two new synthetic ...
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(2005)The 182Hf-182W isotopic systematics of Ca-Al-rich inclusions (CAIs), metal-rich chondrites, and iron meteorites were investigated to constrain the relative timing of accretion of their parent asteroids. A regression of the ...
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(2005)We have undertaken petrologic and SHRIMP U-Th-Pb isotopic studies on zircons from basaltic eucrites (Yamato [Y]-75011, Y-792510, Asuka [A]-881388, A-881467 and Padvarninkai) with different thermal and shock histories. ...
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(2005)The argon solubility of 38 liquids in the system Na2O-CaO-MgO-Al2O3-SiO2 (NCMAS) has been determined at 1873 K and 1 bar, the argon concentration of presaturated glasses being measured using a static mass spectrometer. For ...
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(2005)B(OH)3 and CO2 are acidic species of considerable geochemical importance, yet the microscopic nature of the acid dissociation reactions for these B and C species is not well understood. Quantum mechanical methods have ...
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(2005)Роль циркона как носителя Zr и Hf в верхней части континентальной коры рассчитана по модели А.Б. Ронова и др. [1990]. Расчет выполнен на основе более чем 2480 количественных минералогических анализов важнейших горных пород, ...
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(2005)Рассматривается геологическое строение крупнейшего палеовулкана Восточной Камчатки, развивающегося с миоцена по средний плейстоцен и голоцен. Приводится пример подобных вулканических сооружений других районов Камчатки.
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(2005)Published data on the distribution of Fe and Mg between the two distinct octahedral sites (M1 and M2) in orthopyroxenes show that the equilibrium Fe-Mg distribution coefficient (KD) is roughly constant at intermediate ...
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(2005)To increase the understanding of uranium transport in the environment and in the presence of steel corrosion products, the interaction of U(VI) with natural magnetite has been studied. Sorption studies have been carried ...
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(2005)The southern Siberian loess, being a continuation of the Eurasian loess-belt, has provided one of the most complete terrestrial proxy records on the global past climate development. New high-resolution loess-paleosol ...
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(2005)По-новому произведена интерпретация морфологии и глубинного строения габброидных тел прибрежной полосы оз. Байкал. С этой целью были проанализированы результаты гравиметрической съемки ИЗК СО РАН с использованием аэромагнитных ...
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(2005)Приведены новые данные, включая конодонты, полученные в процессе геолого-съемочных работ и специальных дополнительных исследований типовых разрезов девона на Среднем и Северном Урале за последние десять лет.
Now showing items 3101-3120 of 40311