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Browsing ELibrary by Title
Now showing items 9312-9331 of 26297
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(2001)Subducted oceanic metabasalts are believed to be a primary source of volatiles for arc magmatism and fluid-induced seismicity. From phase equilibria computed for an average oceanic metabasalt we present a model for subduction ...
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(2001)We report a detailed series of electron microscope observations of metamorphic microdiamonds included in and separated from garnets and zircons from a single specimen of garnet-biotite-feldspar gneiss from the Kokchetav ...
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(1999)Metasedimentary garnet-mica schists are interlayered with metabasic garnet-omphacite schists and enclose eclogite boudins in the high-pressure metamorphic Maksyutov complex in the Southern Urals, Russia. These three rock ...
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METAMORPHIC EVOLUTION OF GRANULITES FROM THE KURUL'TA BLOCK, ALDAN SHIELD: U-PB SINGLE ZIRCON STUDY (2004)Stanovoy fold system (DSFS) is a giant tectonic melange zone (Fig. 1) that includes the Kalar, Kurul'ta, Zverev, Sutam, Ayumkan, and Dzhugdzhur tectonic blocks composed of granulite-facies rocks. The study of the granulite ...
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(2001)An attempt is made to study pressure-heterogeneous high-alumina metapelites of andalusite-sillimanite and kyanite-sillimanite fades series for clearing up the PT-evolution of metamorphism related to thrusting tectonics. ...
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(2006)Sapphirine+quartz-bearing pelitic granulites, garnet-clinopyroxene-quartz-bearing mafic granulites and quartzo-feldspathic granulites with corundum-garnet-quartz constitute rare but important members of the Highland Complex ...
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(2002)In the Vendian-Cambrian orogenic belt of the Chagan-Uzun and Kurai areas, Gorny Altai, high-pressure, low-temperature (HP/LT) metabasites and associated schists comprise a metamorphic complex less than 2 km thick. The ...
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(2004)The Kolvitsa metagabbro-anorthosite massif is among eight large Paleoproterozoic massifs of the Lapland-Kolvitsa granulite belt (Baltic Shield). This complex nonuniform plate-shaped body is approximately 2 km thick. From ...
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(2006)Eclogites within the Tromsø Nappe of the Uppermost Allochthon in the Scandinavian Caledonides record a complex P-T history, involving a prograde subduction-related stage. Information on the early prograde stage of the ...
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(2006)Fluid inclusions in quartz globules and quartz veins of a 3.8-3.7 Ga old, well-preserved pillow lava breccia in the northeastern Isua Greenstone Belt (IGB) were studied using microthermometry, Raman spectrometry and SEM ...
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(2006)The Karakorum Range comprises a crustal section of marbles and metapelites providing an opportunity to study the extent of high-temperature metamorphic reequilibration in an active orogen. Metamorphism culminated during ...
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(2006)The coal of the Miocene Bukit Asam deposit in south Sumatra is mostly sub-bituminous in rank, consistent with regional trends due to burial processes. However, effects associated with Plio-Pleistocene igneous intrusions ...
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(2003)Metasedimentary granulites from the central portion of the Belarus-Podlyasie granulite belt were studied with the purpose to reproduce the Paleoproterozoic tectono-thermal evolution in the western part of the East European ...
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(1988)The East Sayan fold system, including northeastern Tuva, is confined to the southwest rim of the Siberian craton and acquired its present structure chiefly in the early Caledonian (Salairian) epoch. The most interesting ...
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(2006)The Degdekan and Gol'tsovsky gold-quartz deposits are located in the southeastern Yana-Kolyma gold belt. The orebodies occur as quartz veins hosted in metaterrigenous rocks and cut by postmineral basic-intermediate dikes. ...
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(2002)A concise history of the discipline of metamorphic petrology is presented, from the eighteenth-century concepts of Werner and Hutton to the end of the twentieth century.
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(2004)The Southern Yenisey Range (Eastern Siberia) consists of the granulite-facies Kanskiy complex bordered by the lower-grade Yeniseyskiy and Yukseevskiy complexes. Samples of metapelite of the Kanskiy complex typically show ...
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(2004)The normative mineral composition is reported on source rocks of metasediments from the granulite belt of the Baltic Shield. The primary composition, CIA index, and position of data points of studied rocks in discriminant ...
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(2006)We report on the investigation of contact metamorphism provoked by the emplacement of a shallow magma chamber during the Timanfaya eruption of Lanzarote from 1730 to 1736 AD. The study was carried out on metamorphic xenoliths ...
Now showing items 9312-9331 of 26297