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GeologyScience Repository: Recent submissions
Now showing items 581-600 of 43265
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(2006)In Northeastern Anatolia, the Erzurum-Kars plateau comprises the northernmost part of a volcanic province related to the collision between the Eurasian and Arabian continents. It contains an almost complete record of the ...
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(2006)Lower Mississippian strata of east-central Ohio are predominantly fine-grained marine deposits of the Cuyahoga and Logan formations. Within these sediments is the Black Hand Sandstone of the Cuyahoga Formation. The Black ...
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(2006)The Late Pleistocene glacial and climate history in the dry Central Andes is not well known so far, mainly because of the lack of suitable material for radiocarbon dating. In order to establish a glacial chronology, we ...
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(2006)Chamitataxus avitus gen. et sp. nov. is a primitive American badger recovered from late Miocene fossil-bearing sediments of the Chamita Formation in northern New Mexico, USA. The holotype and only known specimen is an ...
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(2006)This paper discusses the surface rupture of the Cariaco July 09, 1997 Ms 6.8 earthquake in northeastern Venezuela - located at 10.545°N and 63.515°W and about 10 km deep. The field reconnaissance of the ground breaks ...
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(2006)The crystal-chemical behaviour of tourmaline from Araçuaí, Minas Gerais state, Brazil, when subjected to heating in air atmosphere has been studied by several techniques, including EMPA, UV-Vis, TGA, and Mössbauer spectroscopy. ...
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(2006)An exceptionally preserved fauna within dolomites of the Friars Point Limestone Formation includes the most diverse brachiopod assemblage yet described from the Tournaisian of the British Isles, and the first from Wales. ...
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(2006)A 9.24 m long sediment record from the Kaidu River delta margin of Bosten Lake, northwestern China, provides evidence for changes in water balance of the lake during the past 8600 calendar years. Quantitative and qualitative ...
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VARIATION OF GEOCHEMICAL SIGNALS IN CORAL SKELETONS: ENVIRONMENTAL CHANGES OR BIOLOGICAL PROCESSES? (2006)Corals are widely distributed throughout a long stretch of geological time and can provide high-resolution histories of climatic variabilities in the tropics, which play a key role in understanding the Earth's climate ...
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(2006)The metamict state and recrystallization of fergusonite in metamict natural samples were studied by thermal methods (TGA-DTA), X-ray powder diffraction (XRD), Raman spectroscopy (RS), transmission electron microscopy (TEM), ...
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(2006)The seismic data obtained during SUDETES 2003 experiment are analysed, and detailed crustal structure for profiles S02, S03 and S06 is presented using three different 2-D techniques: (1) "smooth" tomography of refracted ...
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(2006)Tectonic uplift and sea level lowering are two proposed mechanisms to explain the development of thresholds in front of the widespread evaporite basins of the circum-Mediterrranean region during the Miocene. Here we apply ...
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(2006)We applied integrated lithospheric modeling combining the interpretation of surface heat flow, geoid, gravity, and topography data for the determination of the lithospheric thermal structure along four transects crossing ...
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(2006)Thirty spodumene samples of distinct paragenetic types (primary magmatic, secondary after petalite and hydrothermal) from variety of granitic pegmatites were characterized by electron microprobe, polarized FTIR spectroscopy ...
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(2006)The evolution of the basement of southern Madagascar north and south of the Ranotsara shear zone was investigated using (U + Th)/Pb electron probe monazite age dating in combination with petrographic constraints. Several ...
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(2006)The incorporation and diffusion of hydrogen in San Carlos olivine (Fo90) single crystals were studied by performing experiments under hydrothermal conditions. The experiments were carried out either at 1.5 GPa, 1,000°C for ...
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(2006)Thermal diffusivity (D) of garnets with diverse chemical compositions was measured using the laser-flash technique, which is accurate (±2%) and isolates the lattice component from direct radiative transfer. Temperatures ...
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(2006)The results of oxygen-isotope study of the Kokhb-Shnokh (J 3) and Vokhci (N 1) intrusive complexes and the related Tekhut and Kadzharan Cu-Mo porphyry deposits of different types, Armenia, were used to discuss the relevant ...
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(2006)When it was realized that nominally anhydrous minerals could be a major storage site of water in the mantle (Smyth 1987; Bell and Rossman 1992), it also became rather obvious that many mantle samples probably have lost ...
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LATE MIOCENE CLIMATE IN THE CIRCUM-ALPINE REALM-A QUANTITATIVE ANALYSIS OF TERRESTRIAL PALAEOFLORAS (2006)Selected mega- and microfloras from Central and Southern Europe have been analysed for the time interval Tortonian/Pannonian (MN 9-12) with the Coexistence Approach to obtain quantitative palaeoclimate data. The results ...
Now showing items 581-600 of 43265