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GeologyScience Repository: Recent submissions
Now showing items 81-100 of 43044
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(2006)The nepheline syenites of the Pilansberg alkaline complex (South Africa) have undergone extensive subsolidus equilibration and alteration with a deuteric Cl- and Na-rich fluid phase. Complex assemblages of secondary minerals ...
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(2006)The area of the Middle-Lower Yangtze River valley, Eastern China, extending from Wuhan (Hubei province) to western Zhenjiang (Jiangsu province), hosts an important belt of Cu-Au-Mo and Fe deposits. There are two styles of ...
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(2006)Geochemical and petrological analyses of Archean clastic metasedimentary rocks at Mt. Goldsworthy in the Pilbara Craton, Western Australia reveal the early evolution of continental crust and the Earth's surface environment. ...
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(2006)Numerical models are starting to be used for determining the future behaviour of seismic faults and fault networks. Their final goal would be to forecast future large earthquakes. In order to use them for this task, it is ...
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(2006)The Hellenic subduction zone is clearly expressed in the arc-shaped distribution of earthquake epicenters and gravity anomalies, which connect the Peloponnesos with Crete and Anatolia. In this region, oceanic crust of the ...
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(2006)Small-scale seismic heterogeneity exists at different levels in the lower mantle, and is detected by methods that analyze scattered-not direct-energy from natural and artificial sources. Its vertical distribution, association ...
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(2006)At the 2003 Tokachi-oki earthquake of M8, seafloor phenomena such as a generation process of tsunami, seafloor uplifts, turbidity current, etc., were observed using a cabled observatory installed on the seafloor. The ...
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(2006)Quaternary molluscs are useful tools as indicators of environmental and climatic changes through time. The Patagonian coastal area exhibits a series of Quaternary marine terraces (MT) at various elevations with a well-preserved ...
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(2006)This study presents a high-resolution, multi-proxy analysis of sediments from IMAGES core MD972146 in the northern South China Sea (SCS). Analyses include detailed measurements of planktonic foraminifer oxygen isotopes, ...
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(2006)A wide-angle reflection seismic experiment was carried out in the Eastern Goldfields granite-greenstone terrane of the Archaean Yilgarn Craton during 2001. This was the first time in Australia that wide-angle data were ...
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(2006)A pollen record from the Taishizhuang site (40°21.5′N, 115°49.5′E) located in the transitional forest-steppe zone near the present-day limit of the summer monsoon is used to reconstruct vegetation and climate. Quantitative ...
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(2006)An extensive belt of A-type granite exists along the southeast coast of China. The granites are divided into peralkaline and more aluminous subgroups which differ in mineral assemblages, mineral compositions and textures. ...
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(2006)The bismuthinite - aikinite (Bi2S3 - CuPbBiS3) series of ordered derivatives (superstructures) is based on the incremental Bi + vacancy → Pb + Cu substitution. Selected structures of this series, gladite, salzburgite, ...
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(2006)The Philippine Sea plate is subducting under the Eurasian plate beneath the Chugoku-Shikoku region, southwestern Japan. We have constructed depth contours for the continental and oceanic Mohos derived from the velocity ...
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(2006)Benthic foraminiferal tests of a sediment core from southwestern Skagerrak (northeastern North Sea, 420 m water depth) were investigated for their ratio of stable oxygen isotopes. During modern times sudden drops in ...
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(2006)Allanite-(La) is a member of the epidote group. It was sampled at Buca della Vena mine, near Stazzema, Apuan Alps, Tuscany, Italy. It occurs as Prismatic crystal up to 2-3 mm in length along [010] within barite veins cutting ...
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(2006)Twenty-two samples of allanite-(Ce) taken from granitic rocks in Japan have been characterized by electron-microprobe analysis. In back-scattered-electron (BSE) images, the allanite-(Ce) is homogeneous or characterized by ...
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(2006)Bromalites from the Soom Shale are allocated to five main categories on the basis of shape, content and internal structure: those containing broken conodont elements; those containing brachiopod fragments; corrugated/spiral ...
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(2006)The Masoko maar (southern Tanzania) provides one of the most continuous Late Quaternary lacustrine sedimentary records from Africa. A detailed chronostratigraphic framework coupled with sedimentological and magnetic ...
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(2006)Experiments using synthetic mafic liquids of composition Fo30Di30An40 and Fo22Di58An20 (wt.%) were conducted to constrain the range of cooling regimes over which melt inclusions form in olivine crystals. In one set of ...
Now showing items 81-100 of 43044