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Browsing ELibrary by Title
Now showing items 7901-7920 of 21936
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(1990)In the last decade, volcanic glasses have received considerable attention as possible sources of uranium mineralization. This idea is based on the hypothesis that volcanic glasses are very close in composition to the melt ...
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(2002)Vincentite was described in 1974 as a new palladium-bearing mineral species in platinum-gold concentrates from the Riam Kanan River, southeastern Borneo. Because of its small grain-size, it was not possible at that time ...
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(1988)The De Long Islands form a separate five-island group in the New Siberian Archipelago. Zhokhov Island, like others of the archipelago, rises several tens of meters above the shallow sea floor. The results of our field work ...
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(2001)This paper presents the basis of a simplified TL dating procedure, the S–S method. Results are given for two sections from the Russian Plain, for which the geological source of the quartz is in Scandinavia. Results for a ...
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(2003)Density measurements on nine liquids in the CaCO3-Li2CO3-Na2CO3-K2CO3 quaternary system were performed at 1 bar between 555 and 969 °C using the double-bob Archimedean method. Our density data on the end-member alkali ...
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(2004)The new full wave Acoustic Borehole Imager tool (ABI) is a multi-echo (amplitude and traveltime) system that gives optimum performance under a wide range of borehole conditions and is an improvement over existing single ...
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(2003)Two new genera, Fistuliphragmoides, with its type species F. gobiensis sp. nov., from the Emsian of southern Mongolia and Boardmanella, with its type species B. richardi sp. nov., from the Givetian of eastern Mongolia are ...
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(2004)Six new species and one subspecies of the family Trigoniidae (Bivalvia) are described: Trigonia carinata crimica and Myophorella tonasensis from the Berriasian of the Crimea, Rutitrigonia balaklavensis and Pterotrigonia ...
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(2004)Two new Early Miocene shrews, Aralosorex kalini gen. et sp. nov. (Altynshokysu, western Kazakhstan) and Miocrocidosorex zazhigini gen. et sp. nov. (Ayaguz, eastern Kazakhstan) of the subfamily Crocidosoricinae are described. ...
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(1990)New seismic data obtained by the 'Soyuzmorgeo' All-Union Producing Combine (VMNPO) on the structure of the sedimentary cover and the basement of the Chukchi (Chukotka) Sea have permitted a new approach, differing from ...
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(2002)A new insect, Sojanopus festivum gen. et sp. nov. (Hypoperlidea?: Sojanoperidae fam. nov.), is described from the Kazanian of the locality of Soyana, Arkhangelsk Region.
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(2005)Nitrogen immobilization in soils and sediments involving the preservation of peptides is an important yet not well-understood process. Several hypotheses have been proposed for the preservation of peptides in these systems; ...
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(2001)The earliest known opening of Bering Strait in signaled by the presence in southern Alaskan Neogene strata of the marine bivalve mollusk Astarte, which had dwelled throughout the Cenozoic in the Arctic and North Atlantic ...
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(2001)A new, simple, and easily reproducible experiment was designed to simulate the production, accumulation, and transport of melt within rock. The transport was found to be of the self-organized critical type. The emergence ...
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(2000)New experimental developments for in situ X-ray absorption fine structure spectroscopy (XAFS) studies of hydrothermal systems are described. Improvements in materials of construction and the design of spectroscopic cells ...
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(2003)The investigation of flow and transport parameters in fractured porous material is difficult due to the high permeability contrast between the fracture networks and the porous material, and due to the question of the scale ...
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(2003)Yttrium arsenate Y[AsO4], chernovite, is a rare mineral discovered in 1966 and named in honor of A.A. Chernov, a prominent researcher of geology and mineral resources of the European northern region of Russia. He organized ...
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(2004)Pistillate heads of Anadyticarpa altingiosimila gen. et sp. nov. from the Late Albian-Early Cenomanian of northeastern Russia are assigned to the Hamamelidaceae (Altingioideae) on the basis of their microstructure. The ...
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(1989)In this article, we discuss new finds of granite and granite-gneiss in the Kurile Islands, both as fragments in beach deposits and as inclusions in volcanic rocks. Although an ice-rafted origin for some fragments is ...
Now showing items 7901-7920 of 21936