نتایج جستجو برای: vitrinite reflectance

تعداد نتایج: 19788  

Journal: :Journal of Petroleum Exploration and Production Technology 2021

Abstract Aptian to Campanian sediments from the Western offshore Central Orange Basin were studied by integrating molecular geochemistry, inorganic and isotopic studies recognize their geochemical characteristics via reconstruction of basin’s paleoweathering, paleosalinity, paleovegetation, paleoclimate, tectonic records. Molecular analyses both aliphatic aromatic compounds reveal an input domi...

Journal: :Frontiers in Earth Science 2021

The Oligocene-Recent Red Sea rift is one of the preeminent examples lithospheric rupture in recent geological past, forming basis for many models how continental breakup occurs and progresses to formation new oceanic crust. Utilisation low-temperature thermochronology Rift since 1980s has been key constraining its spatio-temporal evolution, providing constraints propagation strain geomorphologi...

Journal: :Geofluids 2021

Methane adsorption capacity is an important parameter for coalbed methane (CBM) exploitation and development. Traditional examination methods are mostly time-consuming could not detect the dynamic processes of adsorption. In this study, a modified low-field nuclear magnetic resonance (NMR) method that compensates these shortcomings was used to quantitatively examine seven medium-rank coals. Bas...

Journal: :Basin Research 2022

Abstract Knowledge of the tectonic history Pamir contributes to our understanding both evolution collisional orogenic belts as well factors controlling Central Asian aridification. It is, however, not easy decipher Mesozoic–Cenozoic tectonics due extensive Neogene deformation in an orogen that remains largely understudied. This study reports detrital apatite and zircon fission‐track (FT) ages f...

Journal: :The APPEA Journal 2023

A significant portion of planned energy and mineral resource investment into Australia is now for hydrogen (H2). Whether from fossil fuels with carbon capture storage or electrolysis water using renewable energy, there a price premium manufactured hydrogen. The production H2 geological sources (geologic H2) could be more cost-effective. majority geologic are abiotic their potential largely unkn...

Journal: :Geofluids 2021

To the accurate reconstruction of hydrocarbon generation history in Dongying Depression, Bohai Bay Basin, East China, core samples Eocene Shahejie Formation from 3 shale oil boreholes were analyzed using organic petrology and geochemistry methods. The shales are enriched matter with good to excellent potential. maturity indicated by measured vitrinite reflectance (%Ro) falls range 0.5–0.9% incr...

Journal: :Earth-Science Reviews 2023

Raman spectroscopy on carbonaceous material has become the most used geothermometer in Earth science studies. However, its application very different settings, associated with heating rates, demands an updated review to understand paths of maturation that can occur geological record. A comparison between organic matter matured under slow (diagenesis and regional metamorphism) or fast (around sh...

Journal: :International Journal of Coal Geology 2022

This work investigates bituminite (amorphous sedimentary organic matter) in Upper Jurassic Kimmeridge Clay source rock via confocal laser scanning microscopy (CLSM) and atomic force (AFM). These petrographic tools were used to provide better understanding of the nature bituminite, which has been historically difficult identify differentiate from similar matter types rocks. As part an Internatio...

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