نتایج جستجو برای: organic matterrich facies
تعداد نتایج: 207328 فیلتر نتایج به سال:
The Paleozoic Dniepr-Donets Basin in Belarus, Ukraine, and Russia forms a major hydrocarbon province. Although well- and seismic data have established a 20 km thick stratigraphy, field-studies of its sediments are scarce. The inverted Donbas segment (Ukraine) exposes the middle Carboniferous part of the basin's stratigraphy. Here, we provide detailed sedimentological data from 13 sections that ...
The early-mid Paleocene Farewell Formation is stratigraphically distributed across the 10 southern Taranaki Basin (STB) which is also encountered within the Maui Gas Field. Using 11 available 3D seismic and well log data, a challenging task to delineate the spatial distribution and 12 geobody patterns of the potential reservoir sands of the formation was performed. Object based 13 modeling coup...
دراین تحقیق بامطالعه زیست چینه نگاری وسنگ چینه نگاری رخساره های سنگی ناحیه گرنگ که درغرب خوسف وشرق خور واقع میباشد نتایج زیر بدست آمده است : - میکروفسیلهای شناسایی شده درمنطقه گرنگ 17 جنس و 21 گونه میباشد که براساس آن سن توالی سنگ های موجود دراین منطقه را ائوسن زیرین مشخص می کند. - براساس تحقیقات و مطالعات مقاطع نازک میکروسکوپی ، رسوبات کربناته درناحیه مورد مطالعه درزیر برجستگیهایی نظیر سده...
The Late Permian Betts Creek Beds form a succession of coal-bearing alluvial-coastal plain sediments in a basin marginal setting within the northeastern Galilee Basin, Queensland, Australia. The unit is ~ 50–60 m in thickness at Porcupine Creek National Park where outcrop is laterally continuous for several kilometers. Eight facies have been identified within the formation and can be grouped in...
[1] Each of the large Tharsis Montes volcanoes in the equatorial region of Mars has an unusual Amazonian-aged fan-shaped deposit on its west-northwestern flank. On the basis of Viking Orbiter data, the origin of these deposits has been variously ascribed to volcanic, mass-wasting, tectonic, and glacial processes. Using new MGS and Odyssey data, combined with recent developments in the study of ...
The deposits of the pyroclastic density currents from the August 2006 eruption of Tungurahua show three facies associations depending on the topographic setting: the massive, proximal cross-stratified, and distal cross-stratified facies. (1) The massive facies is confined to valleys on the slopes of the volcano. It contains clasts of >1 m diameter to fine ash material, is massive, and interpret...
Abs~'act Lower Proterozoic stromatolites and associated clastic carbonate deposits of the Campbell Group, flom the southern margin (Prieska area) of the Kaapvaal Craton, northern Cape Province, are described. Contrary to previous interpretations (Beukes, 1978; 1980a) shallow subtidal to suprafidal facies a r e recognised and discussed in regional context. An alternative model for the facies dev...
In order to clarify the characteristics of fine-grained sedimentary lithofacies and depositional models in lacustrine environments Chang 7 Member Upper Triassic Yanchang Formation Ordos Basin, we focus on classification controlling factors. Based typical field sections southern combined with methods organic geochemical analysis, polarizing microscopic observation, XRD elemental geochemistry, su...
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