نتایج جستجو برای: maceral
تعداد نتایج: 88 فیلتر نتایج به سال:
We determine the organic matter content, its thermal maturity, genetic type, and source rock potential of Miocene sedimentary rocks in Czech Carpathian Foredeep. In Republic Foredeep represents a peripheral foreland basin formed due to tectonic emplacement loading Alpine-Carpathian Thrust Wedge onto passive margin Bohemian Massif. Random vitrinite/huminite reflectance measurements maceral analy...
Geochemical characteristics of Jurassic high-sodium coal in Tatuo Coal Mine, Qinghai Province, China
Sodium in the coals of West China has received persistent attention due to its high contents and severe pollutions’ problems during coal utilization. A total seven drill samples Jurassic from Tatuo coalfield, Qinghai Province, were collected analysed using optical microscopy, scanning electron microscopy conjunction with energy-dispersive X-ray spectrometry, powder diffraction, inductively coup...
In pyrometallurgical processes, metal oxides are reduced from molten slag through carbothermic reduction. It is of interest to evaluate the reactivity carbonaceous materials towards substances such as slag. Characterization techniques coal petrography can provide insight into influence feed properties and how they potentially dictate reductant performance. This study aimed compare petrographica...
In this study, we propose a predictive model for maceral discrimination based on Raman spectroscopic analyses of dispersed organic matter. micro-spectroscopy was coupled with optical and Rock-Eval pyrolysis set seven samples collected from Mesozoic Cenozoic successions the Outer sector Carpathian fold thrust belt. Organic petrography evidence type II/III kerogen complex organofacies composed by...
Abstract In this study the hydrocarbon generation potential of coal and coaly shale samples collected from mines in Attock-Cherat Range Pakistan is optically analytically evaluated. These samples, representing Paleocene Hangu Formation, are analyzed across a range thermal maturity stages to understand their potential. The visual examination maceral type values vitrinite reflectance have been co...
Detailed sedimentology and petrographic studies of outcrop sections the Eocene Ameki formation exposed in Northern depobelts Niger Delta was done to, characterize sediment facies, determine depositional environment also to development a model for study area. Three facies associations were have been identified area based on lithology, primary sedimentary structures, fossil content, geometry, lat...
The middle Sarvak formation (Cenomanian) is one of the stratigraphic units of the Bangestan group in the south of Iran. This formation is stratigraphically equivalent to the Ahmadi member of Kuwait and Iraq. There is geochemical evidence that indicates this unit has a high level of organic richness and can be a possible source rock in various locations. This study focuses on the organic geochem...
This paper focuses on determining total organic carbon (TOC) from boreholes in the Kalahari Basin, Botswana, using Passey's method. The Karoo basin is one of several basins southern Africa filled with Late Carboniferous to Jurassic sedimentary strata that host Permian age coal seams. Nine exploration (wells) drilled central are used determine Total Organic Carbon potential. Vitrinite reflectanc...
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