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Browsing ELibrary by Title
Now showing items 8332-8351 of 21768
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(2003)Low-temperature demagnetization (LTD) promotes single-domain (SD)-like alternating field (AF) and thermal demagnetization properties of anhysteretic remanent magnetization (ARM) and thermoremanent magnetization (TRM), by ...
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(2004)Recent paleomagnetic data have shown that the history of the Earth's magnetic field includes a unique, fairly long (280 Ma to 230 Ma) interval during which the orientation of the Earth's magnetic dipole remained stable ...
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(2003)A new type of rhenium accumulation, which is related to carbonaceous metasomatic rocks that are common in some ore fields at the Primor'e is described. Such metasomatic rocks are confined to shear and boudinage zones and ...
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(2000)With increasing melt fraction (φ), the strength of partially molten granite decreases from a value characteristic of solid, competent rock to a value nearly equal to that of the melt. Previously published mechanical and ...
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(2003)In an attempt to obviate some of the difficulties inherent in using natural rocks to study experimentally the rheology of partially-molten granitic rocks, we report some preliminary experiments using hot-pressed synthetic ...
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(2003)Small deviations from higher symmetry can be established by single-crystal diffraction methods by (1) measuring the metric of the unit cell with high, non-routine precision; (2) measuring a full reflection sphere of ...
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(2002)An assumption of isothermal and static asthenosphere as the normal state of sublithospheric mantle, as commonly employed in studies of terrestrial magmatism, may be physically implausible for a system cooled from above. ...
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(2002)Kriging with external drift allows one to estimate a target variable, accounting for a densely sampled auxiliary variable. Contrary to cokriging, kriging with external drift does not make explicit the structural link between ...
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(1997)The crustal structure and lithospheric flexure of the Baikal Rift Zone, Siberia, are examined by means of gravity modelling. We model the Bouguer Anomaly (BA) along five 1200 km long gravity profiles. We first evidence ...
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(2001)We report an experimental and theoretical study of non-linear Arai–Nagata diagrams for samples containing pseudo-single-domain (PSD) and multidomain (MD) magnetite. Our aim is to reveal the physical reasons for the deviation ...
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(2004)The type species of the genus Conispirifer Ljaschenko, C. rotundus Ljaschenko, is revised based on the material from the Upper Devonian of the southern Timan. C. rotundus was established based on juveniles of Tenticospirifer ...
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(2003)Three different classifications of the family Berriasellidae are revised. The phylogeny of the genera Euthymiceras Grigorieva, 1937, Gechiceras Sach., 1982, Transcaspiites Luppov, 1985, and Riasanites Spath, 1923 is ...
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(2001)Quantitative data on the finds of bony remains of Late Jurassic and Early Cretaceous marine reptiles in the Volga Region near Ulyanovsk are given. A taphonomic classification of ichthyosaurian fossils and the probable ...
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(2002)The morphogenesis of the genus Borissiakoceras is studied on the basis of material from the Taimyr Peninsula. The stratigraphie and geographic distribution of the genus are discussed, and a systematic description is provided.
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(2002)Based on the examination of cervical vertebrae 1-4, a new species, Samotherium borissiaki sp. nov., from the Meotian of the Taraklia locality (Moldova) is described. The first and second vertebrae are of special interest, ...
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(2004)Conifers of the genus Tritaenia Mägdefrau et Rudolf are reported for the first time from European Russia. The locality of Peski (Middle Jurassic, Moscow Region) contains two newly described species, T. striata sp. nov. and ...
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(1997)The time variation of background seismicity was studied in the Gulf of Avacha, Kamchatka, where a M 7.75 earthquake had earlier been predicted to occur. An analysis of detailed seismological observations conducted for 33 ...
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(2005)Extraction and electron irradiation (under transmission electron microscopy) of an epitaxial nanometer-thick α-PbO2-type TiO2 slab between twinned rutile bicrystals in ultra-high pressure metamorphic rock caused phase ...
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(1998)Uranium-lead analyses that yield arguably concordant U/Pb and Pb/Pb ages are highly reliable and often very precise; however, there is no generally accepted way for either assigning a best age and age-error or for evaluating ...
Now showing items 8332-8351 of 21768