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Now showing items 4168-4187 of 39069
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(1989)There exists an enormous literature on the evolution of acidic magmas in the zone of contact of sialic rocks with intruded mafic melts. It is generally thought that the resulting contact melting is likely to be important ...
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(2001)Kinetic parameters of in elastic zone of rock mass deformed with explosion have been considered. Action of explosion on the rocks has been discussed. Mathematical model of explosion of concentrated charge in rock has been ...
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DYNAMICS OF SEA MAMMAL AND BIRD POPULATIONS OF THE BERING SEA REGION OVER THE LAST SEVERAL MILLENNIA (2004)The secular dynamics of sea mammal and bird populations of the Bering Sea region over the last several millennia are reconstructed. We identify osteological material from the cultural layers of ancient sea-mammal hunter ...
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(2002)Altai mountain glaciers are the important indicators of climate variations in the inner part of Eurasia. Analysis of stadial moraines quantity will allow to find out long period temperature and precipitation fluctuations ...
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(2007)The 1800 14C yr BP Ksudach KS1 rhyodacite deposits present an opportunity to study the effects of caldera collapse on eruption dynamics and behavior. Stratigraphic relations indicate four Phases of eruption, Initial, Main, ...
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(2001)The main stages of deformation of Meso-Cenozoic age of the Crimean peninsula were identified on the basis of structure-parageneses and kinematic analyses of cracks and glide planes. The Late-Jurassic age of the Karadag ...
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(2001)The main deformation stages of Mesozoic-Cenozoic deposits in the Crimean Peninsula were identified on the basis of structural-paragenetic and kinematic analyses of cracks and glide planes. The Late-Jurassic age of the ...
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(PANGAEA, 2012-10-01)Investigated sediment cores from the southeastern Black Sea provide a high-resolution record from mid latitudes of the Laschamp geomagnetic polarity excursion. Age constraints are provided by 16 AMS 14C ages, identification ...
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(2001)The dynamics of the marine faunal diversity in the Phanerozoic are analyzed on the basis of the total duration of genera (D). The diagramatic representation of D is more regular and thus easier to interpret than the ...
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(2004)The 137Cs concentration in the bottom sediments 10-20 yr ago was many times (locally, by an order of magnitude) higher than present-day level. The levels observed in 2003 reflect the present-day radianon background related ...
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(2002)Fossil remains of 11 shrew species from the Bliznets cave (southern Primorie Region) are examined. The changes of shrew species composition from the Upper Pleistocene to the present days are traced. The relations between ...
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(2004)Neutron scattering has been used to study the dynamics of trimethylene oxide (TMO) in a structure II clathrate hydrate. Two regimes of guest dynamics have been identified in the range 10 K to 100 K. Below 50 K, the hydrogen ...
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(2000)The ascent of gas-saturated magma in a conduit can lead to the transition from the laminar flow of a bubble-rich melt to the turbulent flow of particle-rich hot gas in upper part of the conduit. This process is investigated ...
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(1997)During the ARCTIC '91 expedition aboard RV Polarstern (ARK VIII/3) to the Central Arctic Ocean, a box corer sample on the Gakkel Ridge at 87°N and 60°E yielded a layer of sand-sized, dark brown volcanic glass shards at the ...
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(2017)The studies of past climatic changes form the basis for predicting our future anthropogenic world and are among the most prominent topics in current Earth sciences. Although the Cretaceous is generally considered as a ...
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(2001)A review is presented of the currently available evidence of life in the Precambrian, with special reference to microfossils of the size range 0.1-3 μm. The particles are spotted in thin sections of the rock under high ...
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(PANGAEA, 2001-10-29)The Pyoza River area in the Arkhangelsk district exposes sedimentary sequences suitable for study of the interaction between consecutive Valdaian ice sheets in Northern Russia. Lithostratigraphic investigations combined ...
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(1989)The oldest supracrustal rocks of the Olekma granite-greenstone region constitute a large 0.8 × 9.5-km erosion remnant among infracrustal formations of the Olekma granite-gneiss complex. They are components of the so-called ...
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(1996)The Neoproterozoic–Cambrian succession in the Zavkhan Basin of western Mongolia preserves early Cambrian bioconstructions of Nemakit-Daldynian to Botomian age. As elsewhere (Siberia, Morocco), the Nemakit-Daldynian ...
Now showing items 4168-4187 of 39069