shale

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  • noun

Words related to shale

a sedimentary rock formed by the deposition of successive layers of clay

References in periodicals archive ?
The main objectives of the present research work was to investigate the extraction of aluminum from low grade black shale ore using organic acid metabolites from acidophilic heterotrophs like Aspergillus niger and Penicillium notatum.
The USA is utilizing black shale as an alternative source for hydrocarbons and is a leading exporter due to its technological advancement.
Key words: Silurian, black shale, petrography, mineral composition, total organic carbon, X-ray diffraction.
To complete this project, sulfur isotope analysis of pyrite, As and other trace element analyses of black shale, pyrite, and bitumen, and Rock-Eval analyses of black shale were performed.
Some of the main intervals of hydrocarbon source rocks are supposed to be linked to the postulated Oceanic Anoxic Events (OAEs), which have been defined (Jenkyns and Clayton, 1986, 1997) on the basis of the presence of black shale facies (>5wt.
These intervals of black shale deposition are often referred to as Oceanic Anoxic Events (OAEs) 1a and 2, respectively.
The Uzbek government is trying to attract foreign investors for development of black shale type uranium deposits, which are currently not practiced in the country and require substantial investment.
Purging & removal of about 50,000 M3 of black shale & lime shale, also consolidating paths between external (aeration) basins.
The samples are from marine shales, both gray and black, containing limestone nodules, with the black shale lying directly on the Bucktown Coal.
Gold also observed frequently throughout foliated black shale / shear zone.
The Ngapaeruru-1 exploration well, spudded at 4:30am on April 22nd, 2013 is targeting the Waipawa Black Shale and Whangai source rock formations at an anticipated depth of 1,800 meters, and will test the unconventional discovery potential in this portion of the Basin.
But after analyzing marine black shale samples from North America, Africa, Australia, Asia and Europe, ranging in age from 2.
Black shale has been discovered in Dobroudja by Wwellbores at depth between 2.
Uranium isotope ratios have been utilized to study the ocean's chemistry before, but only in black shale, a different and less common type of rock.