Synchrotron tomographic quantification of strain and fracture during simulated thermal maturation of an organic‐rich shale, UK Kimmeridge Clay
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2016jb013874
Abstract: Analyzing the development of fracture networks in shale is important to understand both hydrocarbon migration pathways within and from source rocks and the effectiveness of hydraulic stimulation upon shale reservoirs. Here we use time-resolved synchrotron… read more here.
Keywords: organic rich; maturation organic; clay; strain ... See more keywords
Mineralogy and geochemistry of an organic- and V-Cr-Mo-U-rich siliceous rock of Late Permian age, western Hubei Province, China
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Coal Geology"
DOI: 10.1016/j.coal.2016.12.006
Abstract: Abstract Organic-rich siliceous rocks of Late Permian age from western Hubei Province, China are markedly high in trace elements including V (2031 μg/g), Cr (856 μg/g), Mo (245 μg/g), and U (39.2 μg/g). The mineralogy and geochemistry of these… read more here.
Keywords: late permian; mineralogy; organic rich; geochemistry ... See more keywords
Occurrence and genesis of tonsteins in the Miocene lignite, Tunçbilek Basin, Kütahya, western Turkey
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Coal Geology"
DOI: 10.1016/j.coal.2018.11.015
Abstract: Abstract Abundant beige and white kaolinite claystone layers, 2–50 cm thick from the Tuncbilek basin have the characteristics of tonsteins. The aim of this study was to determine the mode of formation of the tonsteins, together… read more here.
Keywords: kaolinite; basin; organic rich; occurrence ... See more keywords
Geochemical and petrographic investigation of Triassic and Late Miocene organic-rich intervals from onshore Cyprus, Eastern Mediterranean
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Coal Geology"
DOI: 10.1016/j.coal.2019.05.001
Abstract: Abstract In order to improve the understanding of potential petroleum systems in the still underexplored Eastern Mediterranean Sea, two field campaigns were performed to investigate potential source rocks onshore Cyprus. Elemental data (total organic (TOC)… read more here.
Keywords: petrographic investigation; geochemical petrographic; onshore cyprus; organic rich ... See more keywords
Application of electron microscopy TEM and SEM for analysis of coals, organic-rich shales and carbonaceous matter
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Coal Geology"
DOI: 10.1016/j.coal.2019.05.010
Abstract: Abstract This paper provides a brief summary of the history, development and variety of applications of electron microscopy techniques to analyze coals, organic-rich shales, and carbonaceous materials. General construction and principles of operation of transmitted… read more here.
Keywords: microscopy; shales carbonaceous; organic rich; coals organic ... See more keywords
Carbonate microfacies and chemostratigraphy of a late Aptian-early Albian marine distal section from the primitive South Atlantic (SE Brazilian continental margin): Record of global ocean-climate changes?
Sign Up to like & getrecommendations! Published in 2017 at "Cretaceous Research"
DOI: 10.1016/j.cretres.2017.02.011
Abstract: Late Aptian–early Albian limestones from the eastern Brazilian continental margin record the early evolution of the South Atlantic Ocean. In Tethyan and North Atlantic domains, a planktic foraminiferal turnover and organic-rich deposits related to Oceanic… read more here.
Keywords: organic rich; early albian; south atlantic; rich deposits ... See more keywords
Nickel and its isotopes in organic-rich sediments: implications for oceanic budgets and a potential record of ancient seawater
Sign Up to like & getrecommendations! Published in 2018 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2018.04.061
Abstract: Abstract Nickel (Ni) is a biologically active element that displays a nutrient-like depth distribution in the modern oceans. Recent studies of Ni isotopes have highlighted the fact that, in common with many other transition metals,… read more here.
Keywords: seawater; rich sediments; organic rich; nickel isotopes ... See more keywords
Uranium isotopes as a proxy for primary depositional redox conditions in organic-rich marine systems
Sign Up to like & getrecommendations! Published in 2020 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2019.115878
Abstract: Abstract In marine sediments, authigenic uranium (U) enrichments and U isotope compositions are important tools for interpreting changes in redox conditions, however, their use as paleoproxies requires a comprehensive understanding of the dominant processes that… read more here.
Keywords: slope; toc; organic rich; marine ... See more keywords
Zinc- and cadmium-isotope evidence for redox-driven perturbations to global micronutrient cycles during Oceanic Anoxic Event 2 (Late Cretaceous)
Sign Up to like & getrecommendations! Published in 2020 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2020.116427
Abstract: Abstract This study uses organic-rich sediments from the Tarfaya Basin, Morocco, to assess the Cd- and Zn-isotope response to dramatic global palaeoenvironmental change during the Cenomanian–Turonian interval (Late Cretaceous). These organic-rich continental-margin deposits include an… read more here.
Keywords: anoxic event; organic rich; isotope; late cretaceous ... See more keywords
Chemostratigraphy of the Upper Cretaceous-Paleogene organic-rich succession on the southern Tethys margin in Egypt
Sign Up to like & getrecommendations! Published in 2020 at "Journal of African Earth Sciences"
DOI: 10.1016/j.jafrearsci.2020.103779
Abstract: Abstract During the Late Cretaceous-Paleogene time, a widespread sedimentary organic-rich succession developed throughout the middle latitudes of Egypt. Since the study area conserves the organic-rich intervals three shallow boreholes were drilled through the Upper Cretaceous-Paleogene… read more here.
Keywords: succession; organic rich; rich succession; cretaceous paleogene ... See more keywords
Experimental study of permeability change of organic-rich gas shales under high effective stress
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2019.01.014
Abstract: Abstract Shale permeability and its variation under high stress are vital for gas production from deep shale gas reservoirs. Most experiments of stress-dependent permeability for organic-rich shale were conducted under lower stress less than 40 MPa,… read more here.
Keywords: gas; effective stress; organic rich; stress ... See more keywords