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GeologyScience Repository: Recent submissions
Now showing items 61-80 of 43139
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(2006)The fulfillment of a scaling law for earthquake recurrence-time distributions is a clear indication of the importance of correlations in the structure of seismicity. In order to characterize these correlations we measure ...
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(2006)A loess-paleosol sequence and a lake sediment record from the central Hexi Corridor in the drylands of NW China show patterns of persistent millennial- to centennial-scale climate variability during the Holocene epoch, ...
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(2006)Data from Late Cretaceous paleoclimate simulations and their linkage to a geological model derived from long-term high-resolution proxy-data indicate and support strong relationships between African climate and tropical ...
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(2006)The origin of water is a long standing problem that has fascinated generations of philo-sophers and scientists since the dawn of humanity. It has to do with processes that took place in the ...
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(2006)Testate amoebae are valuable indicators of peatland hydrology and have been used in many palaeoclimatic studies in peatlands. Because the species' ecological optima may vary around the globe, the development of transfer ...
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(2006)The Aral Sea Basin is a critical area for studying the influence of climate and anthropogenic impact on the development of hydrographic conditions in an endorheic basin. We present organic-walled dinoflagellate cyst analyses ...
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(2006)Grasses (Poaceae) are distributed across the world in broad latitudinal belts and are an important source of C4 biomass in the geological record of soils as well as lake and marine sediments. We examined long-chain leaf ...
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(2006)The Sânpetru Formation (Haţeg Basin, Romania) was deposited in an active extensional basin in response to the post-orogenic collapse of the Southern Carpathians. Despite being one of the best exposed latest Cretaceous ...
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(2006)Middle Neoproterozoic carbonates are found in the western part of Shandong Pennisula (i.e., the Jiaobei terrane) that is located in the northwestern part of the Sulu orogen in east-central China. For the first time, a ...
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(2006)An understanding of chemical bonding and electronic structure in sulfide minerals is central to any attempt at understanding their crystal structures, stabilities and physical properties. It is also an essential precursor ...
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(2006)Water plays a dominant role in many glacial processes and the erosional, depositional and climatic significance of meltwaters and associated fluvioglacial processes cannot be overemphasized. At its maximum extent c. 20,000 ...
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(2006)Oman records in its Neoproterozoic Nafun Group (Huqf Supergroup) an essentially complete, carbonate-rich Ediacaran succession. The Nafun Group overlies the presumed Marinoan rift-related Fiq Member (ca. 635 Ma) and ends ...
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(2006)Spectroscopic methods are the most direct and powerful means of obtaining experimental information on the electronic structures of materials. They also provide crucial information on aspects of crystal structure, crystal ...
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(2006)Sediment cores recovered from three mid-arctic lakes on Cumberland Peninsula, eastern Baffin Island, Arctic Canada, contained two units of unconformably superimposed organic sediment (gyttja), the upper of which represented ...
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(2006)This paper describes our recent extraction of ancient DNA (aDNA) from Holocene pollen and discusses the potential of the technique for elucidating timescales of evolutionary change. We show that plastid DNA is recoverable ...
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(2006)Stable isotope data of mollusc shells from two adjacent time slices (Karpatian/Badenian) from the Central Paratethys were investigated to detect differences in environmental parameters and to depict shifts in the isotope ...
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(2006)In general heavy minerals are used for analysis of the depositional environment and to identify source areas of grains. To give an idea of the lithology in the provenance area petrographic microscopy may provide sufficient ...
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(2006)Suites of mantle-derived xenoliths in volcanic rocks provide estimates of the geothermal gradient and composition of the subcontinental lithospheric mantle (SCLM) at the time of the volcanic eruption. The development of ...
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(2006)The occurrence of a distinct type of multi-solid, highly-saline fluid inclusions, hosted in igneous quartz phenocrysts from the Llamo porphyry, in the Zaldívar porphyry copper deposit of northern Chile is documented. Total ...
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(2006)Four new species of mayfly nymphs, Furvoneta relicta sp. nov., Clavineta eximia sp. nov. (originally Mesoneta antiqua), Mesobaetis latifilamentacea sp. nov., and Stackelbergisca cylindrata sp. nov. are described from the ...
Now showing items 61-80 of 43139