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Browsing ELibrary by Title
Now showing items 7831-7850 of 21768
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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 ...
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(2001)The Timan-Pechora Basin, located west of the Ural Mountains in northern Russia, is a prolific oil province covering 300,000 km2. The basin, which has been efficiently explored, is predominantly oil prone, but significant ...
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(2004)Seven new species of gall midges belonging to the genera Strobliella, Campylomyza, Neurolyga, Diadocidia , and Camptomyia are described from the Eocene Rovno amber.
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(2003)Intercalated Na-rich montmorillonite-methane hydrate was synthesized for the first time. The upper limit of stability for the intercalate in pressure and temperature is parallel to that of methane hydrate but at temperatures ...
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(1988)Our petrologic and geochemical study of the Archean Goran group in the southwestern Pamirs has revealed the wide extent of cordierite rocks formed after magnesite. Geologic and petrographic criteria clearly indicate that ...
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NEW GENUS OF HETEROSPOROUS FERNS OF THE ORDER HEROLEANDRALES FROM THE LOWER CRETACEOUS OF KAZAKHSTAN (2001)As a result of a study of spore-bearing structures, a new genus, Vachramelia, is established for a fern from the Lower Cretaceous of Kazakhstan previously described as Adiantites prigorovskii Vachr. (Vachrameev, 1952). The ...
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(1987)The basalts investigated were penetrated in drillholes near the villages of Nizhniy Mamon and Podkolodnovka as three flows with an overall thickness of 3 to 57 m. An earlier study of mineral and chemical compositions of ...
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(1989)Our work gave new paleontologic and radiometric data on the age of the sedimentary, volcanogenic-sedimentary and igneous rocks in the structurally most complex northern part of Bering Island, which supplement existing ...
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(1988)The high-pressure rock association in one area of Sakhalin is described. Within the area studied, the high-pressure association forms a sublatitudinally oriented zone, 300 to 500 m wide and composed mainly of alternating ...
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(1998)The first finding of coesite in the garnet-mica schist of the Kulet site of the Kokchetav Massif is described. This fact indicates that the upper eclogite-bearing unit of the Kokchetav Massif was metamorphosed at pressures ...
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(2003)The course of the nasolacrimal duct, interdental plate morphology, and most details of tooth and denticle morphology have not previously been described in non-archosauriform reptilkes. Here I describe these details in the ...
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(1990)Deep seismic sounding with a total length of more than 8000 km was performed on 15 traverses through the Urals between 1962 and 1988. In addition, areal investigations have been performed in the middle and southern Urals. ...
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(2002)New insect taxa from the Ufimian of Cherdyn' District, Perm Region, Visherifera camura gen. et sp. nov. (Grylloblattida: Visheriferidae fam. nov.), Misthodotes visherensis sp. nov. (Ephemeroptera), and Idelopsocus incommendatus ...
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(2004)Orthorhombic edingtonite has been found coexisting with tetragonal edingtonite in a specimen from Ice River, British Columbia, Canada. We report data on the composition and crystal structure of the orthorhombic sample. ...
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(2005)Ruthenium tetroxide oxidation was used to examine the macromolecular insoluble organic matter (IOM) from the Orgueil and Murchison meteorites and especially to characterize the aliphatic linkages. Already applied to various ...
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(2002)The Os isotopic compositions of mantle rocks generally are considered to be established during melt-depletion events and to be robust to subsequent disturbances (e.g. metasomatism). Consequently, Os isotopes are used to ...
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(2002)We investigated the plausibility of remote fault triggering on a global scale as a result of postseismic stress transfer by large earthquakes. Previous studies have shown that the postseismic stress field generated by eight ...
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(2003)Tiger's-eye is an attractive and popular gemstone that is ubiquitous in stores that cater to rock and mineral collectors. For more than a century, textbooks and museum displays have identified the material as an archetype ...
Now showing items 7831-7850 of 21768