Organic facies
Witryna13 maj 2016 · [Show full abstract] organic-rich episode (TOC up to 8.5%) located at the transition from evaporitic to more humid facies. A biomarker study was performed in order to determine the origin of the ... Witryna1 lut 2024 · Two different facies for the mainly Wealden 3–4 members are distinguished. Facies A is very organic matter rich and composed almost exclusively of thin …
Organic facies
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Witryna17 lip 1995 · Carbonate banks in south-east Florida contain four depositional facies and two early diagenetic facies, each of which shows great textural and compositional variation depending on setting. ... pelleting and bioturbation associated with seagrass stabilization can transform the upper 50 cm of a sequence into an organic-rich, more … Witryna1 lut 2012 · Identification of organic facies can be of value for understanding delta formation as it provides insight into, for example, palaeoenvironmental conditions and compaction susceptibility of these layers. Currently, however, field characteristics of organics are not well‐documented for the full range of facies present in delta plains.
Witryna27 lut 2024 · The exploration of hydrocarbon resources plays a critical role in fulfilling the world’s increasing demand for energy. In this regard, the distribution and source rock characteristics of coal measure stratum in the whole basin are important and must be studied. However, systematic research has not been conducted yet. In this study, … Witryna1 lip 2024 · @article{Ponsaing2024TemporalOF, title={Temporal organic facies variations of Upper Jurassic - lowermost Cretaceous source rocks in the Danish Central Graben, North Sea}, author={Louise Ponsaing and J{\o}rgen A. Bojesen‐Koefoed and Erik Thomsen and Lars Stemmerik}, journal={International Journal of Coal Geology}, …
WitrynaMoreover, field observations show that organic facies change at various scales in space and time, in response to variation in depositional environments and sedimentary processes. The effects of these factors on the source rocks emphasize, beyond the efforts to achieve comprehensive descriptions of source beds (Rock–Eval pyrolysis, … WitrynaA facies encompasses all of the characteristics of a rock including its chemical, physical, and biological features that distinguish it from adjacent rock. ... the facies concept has been extended to related geological concepts. For example, characteristic associations of organic microfossils, and particulate organic material, in rocks or ...
WitrynaThe organic geochemical features of 30 sampled oils from the northern Bolivar Coastal Complex (Lake Maracaibo Basin, NW Venezuela) were examined by combining carbon isotope, classical biomarker, and extended diamondoid analyses to clarify source facies and to assess the thermal maturity and extent of biodegradation of the oils analyzed. …
Witryna24 mar 2006 · Organic petrological and organic geochemical investigations have been carried out on Eocene lacustrine deposits from the Western Depression of the Liaohe Basin (NE China). The purpose was to conduct a systematic organofacies classification of these rocks, to determine their source rock potential and hydrocarbon … gps will be named and shamedWitryna6 gru 2012 · A sound understanding of the global carbon cycle requires an appreciation of the various physico-chemical and biological processes that determine the production, distribution, deposition and diagenesis of organic matter in the natural environment. This book is a comprehensive interdisciplinary synthesis of this information, coupled with … gps west marineWitryna1 sty 1993 · "Internal Stratigraphy and Organic Facies of the Devonian-Mississippian Chattanooga (Woodford) Shale in Oklahoma and Kansas", Source Rocks in a … gps winceWitryna1 kwi 1990 · The prevailing explanation for the origin of organic-rich sediments and rocks invokes deposition under conditions of anoxia. However, recent research suggests that high primary production and not water-column anoxia provides the first-order control on the accumulation of organic-rich facies in the modern oceans. gps weather mapWitrynaThe primary organic facies of the Officer basin carbonates determines whether they are oil or gas prone. Kerogen in the oil-prone carbonates is either Type I (deposited in an alkaline playa–lacustrine environment) or Type II (deposited in a marine-sabkha or lacustrine environment). Marine lagoonal carbonates contain gas-prone Type III … gpswillyWitryna7 kwi 2024 · First, the dominant lithologic facies, organic facies, and bed combination facies were determined based on mineral composition from logging, total organic content (TOC), and sedimentary structure. Secondly, 10 fabric facies were classified by combining these three facies, with 4 fabric facies were found to have high TOC … gps w farming simulator 22 link w opisieWitryna13 kwi 2024 · The finding suggests that anoxic iron oxidation may have contributed to the formation of oxide-facies BIFs, especially Algoma-type BIFs that likely formed in semi-restricted basins where ferrous hydroxide saturation was more easily achieved. ... Where the plume was in contact with the sediment and organic carbon input was limited, the … gps wilhelmshaven duales studium