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Sulfur isotopic study of ore minerals and altered host rocks of Neogene–Quaternary overprinting hydrothermal systems in the Toyoha–Muine area, southwest Hokkaido, Japan
sulfur isotopes overprinting hydrothermal systems ore minerals alteration Toyoha–Muine
2017/4/11
Sulfur isotopes in vein sulfides (galena, sphalerite, and pyrite) and pyrite sulfur derived from overprinting hydrothermal
systems in the altered volcanic host rocks of the Toyoha–Muine area are dete...
Evolution Features and Controlling Factors of Depositional Systems of Paleogene-Neogene in Maxian Area, the Northern Margin of Qaidam Basin
Depositional Systems Maxian Area Paleogene-Neogene Qaidam Basin
2011/12/16
According to the comprehensive detailed analysis of data such as, drilling core, logging and outcrop section, four kinds of sedimentary facies, namely, proluvial fan, braided river, shallow water brai...
Ordovician sponges (Porifera) and other silicifications from Baltica in Neogene and Pleistocene fluvial deposits of the Netherlands and northern Germany
Baltica Eridanos River erratics Ordovician Porifera silicifications
2009/10/21
Fluvial deposits of Miocene to Early Pleistocene age in Germany and the Netherlands were laid down in the delta of the Eridanos River System, but the exact provenance of this material continues to be ...
Chert Gravel and Neogene Drainage in East-central Kansas
Chert Gravel Neogene Drainage East-central Kansas
2009/10/21
Eastern Kansas has an active geomorphic regime dominated by stream erosion, which is strongly influenced by bedrock structure. Alluvial deposits of chert gravel of presumed Neogene age are widespread ...
Sedimentary environments of the Neogene basins associated with the Cao Bang - Tien Yen Fault,NE Vietnam
Terrestrial sedimentary basins Clastic deposits Phytogenic deposits
2009/10/20
The Na Duong, That Khe and Cao Bang sedimentary basins associated with the Cao Bang – TienYen Fault (northern Vietnam) developed in the zone subparallel (distance ca. 150 km NW) to the major strike-sl...
Distribution and Origin of Clay Minerals in Konya Neogene Sedimentary Basin, Central Anatolia, Turkey
clay minerals Konya lacustrine environment Neogene Turkey
2009/7/8
Neogene sediments having both fluvial and lacustrine characteristics are widespread in the Konya region of central Anatolia. The fluvial units are typically green in colour and thick at the margin of ...
3D-Architecture and Neogene Evolution of the Malatya Basin: Inferences for the Kinematics of the Malatya and Ovacık Fault Zones
Malatya Basin Malatya fault zone Ovacı k fault zone palaeostress reactivation inversion
2009/7/7
The 3D-architecture of the Malatya Basin was studied using remote sensing, seismic interpretation, and palaeostress analysis in the context of the Malatya-Ovacık fault zone. The results indicate ...
Petrology and 40Ar-39Ar Age of the Bimodal Orduzu Volcanics (Malatya) from the Western end of the Eastern Anatolian Neogene Volcanism, Turkey
petrology Ar-Ar dating Neogene volcanism Malatya Eastern Anatolia Turkey
2009/7/7
The Orduzu volcanics, which are part of the Yamadağ volcanics in the Malatya region, include rhyolite, rhyolitic dykes, trachyandesite and basaltic trachyandesitic dykes. Mafic globular occurrenc...
Compositional Variations, Zoning Types and Petrogenetic Implications of Low-pressure Clinopyroxenes in the Neogene Alkaline Volcanic Rocks of Northeastern Turkey
clinopyroxene zoning low-pressure alkaline volcanics eastern Pontides Northeastern Turkey
2009/7/7
Clinopyroxene phenocrysts and microphenocrysts in different series of the Neogene alkaline volcanic rocks from the eastern Pontides (NE Turkey) record various stages in the crystallization conditions ...
Geochemistry of Neogene sedimentary rocks from the Jiyang basin, North China Block: The roles of grain size and clay minerals
grain size clay minerals geochemistry chemical weathering Jiyang basin
2017/8/10
Major and trace element compositions of 83 fine-grained sedimentary rocks (including 14 fine-grained sandstones, 24 siltstones and 45 mudstones) from the Zhanhua Sag of Jiyang basin in the North China...
Mg-mineral occurrences in the Central Anatolian Neogene intra-cratonic basins related to neotectonic regime: an example from Kangal basin, Sivas, Turkey
sepiolite palygorskite magnesite coal pyroclastic lacustrine
2011/11/7
The Sivas Basin is one of the Central Anatolian intracontinental basins. It has been formed on two main continental tectonic units, namely the Tauride-Anatolide Platform in the south and the Central A...
Distribution and Origin of Clay Minerals in Konya Neogene Sedimentary Basin, Central Anatolia, Turkey
clay minerals Konya lacustrine environment Neogene Turkey
2011/11/10
Abstract: Neogene sediments having both fluvial and lacustrine characteristics are widespread in the Konya region of central Anatolia. The fluvial units are typically green in colour and thick at the ...
Smectite Diagenesis in Neogene Marine Sandstone and Mudstone of the Niigata Basin, Japan
Authigenic Chlorite Diagenesis Illitization Mixed-Layer Illite-Smectite Pore Fluid Smectite Smectite-Illite Transformation
2011/12/2
Abstract: Illitization of smectite during progressive burial diagenesis occurs differently in sandstone and mudstone, which are interbedded in the sedimentary sequence of the Niigata basin. Reaction p...
CLAY MINERALOGY OF NEOGENE SEDIMENTS OF THE WESTERN ARABIAN SEA:MINERAL ABUNDANCES AND PALEOENVIRONMENTAL IMPLICATIONS
CLAY MINERALOGY THE WESTERN ARABIAN SEA
2011/11/7
Clay mineral relative abundances in approximately 450 samples from cores recovered during ODP Leg 117 in the Arabian Sea have been used to examine the paleoclimatic, paleoenvironmental, and tectonic h...
Comparison of Clay and Zeolite Mineral Occurrences in Neogene Age Sediments from Several Deep Wells
Analcime Geothermal temperature Illite Diagenesis Smectite Zeolite
2012/1/9
Clay and zeolite mineral assemblages were determined for five deep wells in volcano-clastic sediments (Japan) and for one well in mudstones (California). The clay mineral suites in these wells showed ...