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Browsing ELibrary by Title
Now showing items 8347-8366 of 26297
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(2004)A stratospheric balloon flight at 30km altitude measured the geomagnetic field intensity along a 6000 km track extending from Kamchatka to near the Ural Mountains. When the CM model was used to remove the main and external ...
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(2006)The Mawson Formation and correlatives in the Transantarctic Mountains and South Africa record an early eruption episode related to the onset of Ferrar-Karoo flood basalt volcanism. Mawson Formation rocks at Coombs Hills ...
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(1998)The presented review of data on large Ruscinian Mammalia from different areas of the former Soviet Union shows that in most localities this fauna correlates with the second half of MN Zone 14 and with MN Zone 15. Single ...
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(2006)Lead-205 decays to 205Tl with a half-life of 15 Myr and should have been present in the early solar system according to astrophysical models. However, despite numerous attempts, Tl isotopic measurements of meteorites have ...
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(2004)Petrographic, fluid-inclusion, geochemical, and gas stable isotope data are reported here for a Permian Zechstein evaporite sequence. This deposit is a geochemically unaltered sequence. Bromine concentrations show a ...
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(2000)Changes in the spatial organization of water masses in sea basins may represent one of the causes responsible for crises in the biosphere. Based on the analysis of experimental data and observations in modern sea basins, ...
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(2001)We have calculated long-term erosion rates of 20-100 mm/kyr from quartz-contained 10Be in the bedload of middle European rivers for catchments ranging from 102 to 105 km2. These rates average over 10-40 kyr and agree broadly ...
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(2006)For the implementation of the European Union Water Framework Directive (WFD), technological and scientific support are required. This paper presents a methodology to support a first step of the implementation of WFD, which ...
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(2006)Modeling the effects of differential scaling of impact melt and transient cavity volumes indicates that impact melt volumes exceed transient cavity volumes at transient cavity diameters greater than ̃500 km on the Earth. ...
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(2000)Large-scale, lateral fluid flow through oceanic crust provides an explanation for regionally low heat flow in several seafloor settings. A well-mixed aquifer (WMA) model provides a quantitative and conceptual tool for ...
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(2001)Stresses in the lithosphere are one indication of processes in the Earth interior: here we present a calculation of large-scale lithospheric stresses caused by global mantle circulation. The mantle flow field is calculated ...
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(2004)There is a debate on the behavior of Re and Os during mantle metasomatism. Some argue that the mantle can acquire high 187Os/188Os (0.15 to >1.0) either directly from metasomatic events or by the growth of 187Os from 187Re ...
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(2002)The continental slopes of the pan-Arctic region exhibit a range of morphological expression inherently related to different styles of glaciation and sediment delivery to the slope. This study examines the basic associations ...
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(2006)Edifi ce-collapse phenomena have, to date, received relatively little attention in Central America, although ̃40 major collapse events (ε0.1 km3) from about two dozen volcanoes are known or inferred in this volcanic arc. ...
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(2006)Body fossils of caddisfly larvae are described for the first time based on material from the Lower Cretaceous of Siberia (Baissa locality, Neocomian). The material includes a fully grown larva of Baissoplectrum separatum ...
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(1997)Laser 40Ar-39Ar ages were obtained from a series of replicate illite samples ranging in mass from 14 to 77 μg using vacuum-encapsulated irradiation, and the results were compared with earlier analyses of the same material ...
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(2004)Single grains of detrital white mica from two different synorogenic sediments in the Southern Urals were analysed using the insitu ultraviolet laser ablation Ar609 Ma age group is phengitic in composition (Si 3.3732 Ma age ...
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(1997)Fine-grained (<0.02 μm) to coarse-grained (2.0-0.2 μm) illite separates and finely powdered muscovite standards were analyzed with a microencapsulation technique and an laser microprobe. The integrated ages of the illite ...
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(1995)Details are given of the elemental analysis of single fluid inclusions using a UV laser ablation microprobe interfaced to an inductively coupled plasma mass spectrometer. The UV laser, a frequency quadrupled Nd:YAG operating ...
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(2006)A method for the in situ single spot δ11B characterisation of geological materials with laser ablation multicollector ICP mass spectrometry (LA-MC-ICPMS) has been developed. The mass spectrometer was equipped with both ...
Now showing items 8347-8366 of 26297