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Browsing Геология России by Title
Now showing items 3325-3344 of 39126
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(2004)Paleoclimate studies of continental environments have been hampered by the lack of an independent paleotemperature proxy. A novel sea-surface temperature proxy has been proposed for marine systems based on membrane lipids ...
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(2003)The Koolen metamorphic dome of Chukotka Peninsula has been interpreted as a mid-Cretaceous extensional core complex. On the NW flank of the dome, three lithotectonic units are exposed: (1) High-Grade unit, composed of ...
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(2000)The present paper summarizes the results of the investigations carried out in East Russia within the framework of the International Program of Geological Correlation (350) supported by UNESCO entitled "Cretaceous Environmental ...
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(1998)The character and intensity of Cretaceous events in continental margins are genetically linked with the rate of oceanic crust accretion and intensity of endogenic (plume) activity of the Earth. This is most evidently proved ...
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(2002)These last 10 years, numerical models of mantle convection have emphasized the role of the 670 km endothermic phase change in generating avalanches that trigger catastrophic mass transfers between upper and lower mantle. ...
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(2002)The upper amphibolite facies Koolen gneiss dome was subjected to 600–800 MPa pressures and >700 °C temperatures at deep structural levels, and 400–500 MPa and ∼600 °C temperatures at shallow levels during peak metamorphism ...
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(2003)The Cretaceous stratigraphy and main palaeogeographic features of the North-Eastern Peri-Tethys are briefly summarised on the base of new data. The study is mainly focused on the time-slices that were chosen for the recently ...
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(2001)В юго-восточной части Корейского полуострова вдоль зон левых сдвигов Конджу-Ымсонг и Кванджу-Ёндонг располагается серия эпиконтинентальных бассейнов готерив-альбского возраста, которые, судя по их геометрии и особенностям ...
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(2003)By the Late Jurassic, the northern part of the East Asian continental margin was diversified. Principal structural constituents were the Siberian (or North Asian) craton bounded on the east by a miogeosynclinal fold belt, ...
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(1996)Both the bolide impact hypothesis and the volcanism hypothesis suggest, as one of the major environmental consequences, the release of large amounts of SO2 and CO2 into the atmosphere, with consequent lowering of the pH ...
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(1992)The Cretaceous/Tertiary () and Permian/Triassic () events differ in many more aspects than they are similar. This alone makes it unlikely that they are parts of a common web of periodic mass extinction events (MEE). Unlike ...
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(1988)The development of the Kurile island arc is though to have begun in the Late Cretaceous. In the Neogene deposits on northern and southern islands of this ridge, including Kunashir, there are well-rounded fragments of granite ...
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(2001)The additive logratio (alr) transformation has been used in several case studies to predict regionalized compositions using standard geostatistical estimation methods such as ordinary kriging and ordinary cokriging. It is ...
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(2004)Regional seismicity is known to demonstrate scale-invariant properties in different ways. Some typical examples are fractal spatial distributions of hypocenters, Gutenberg–Richter magnitude statistics, fractal clustering ...
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(2001)The papers presented here form the Special Issue of Quaternary Science Reviews on European Quaternary Biostratigraphy. New and testable frameworks for the subdivision of Pleistocene time are proposed, based upon the evidence ...
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(2003)Coarse-grained natural jadeitite samples from Myanmar were experimentally deformed in a Griggs-type solid-medium apparatus at strain rates of 2.10-5 and 5.10-6 s-1 and temperatures of 900 and 1000 °C. The microfabrics of ...
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(2002)The transition boundaries for the graphite ↔ diamond and quartz ↔ coesite reactions are reviewed. The recommended linear transition boundaries are P (kbar) = 15 + 0.028 T (°C) for the graphite ↔ diamond transition, and P ...
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(1998)We have developed an analytical procedure to intercalibrate the 40Ar content of 40Ar/39Ar and 40K/40Ar standard minerals. This procedure is based on an unspiked volumetric standardisation method developed for K-Ar dating. ...
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(2005)Sampled from the Gangxi oil field in the Huanghua depression, Bohaiwan Basin, the crude oil He and Ar isotopic compositions and their geochemical significance were investigated. The result shows that i) the 3He/4He values ...
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(PANGAEA, 2005-09-21)
Now showing items 3325-3344 of 39126