Bituminous shale


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an argillaceous shale impregnated with bitumen, often accompanying coal.
See under Bituminous.

See also: Bituminous, Shale

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On the bituminous shale and a newly detected combustible rock formation of the transitional Estonia, supplemented by remarks on some geological phenomena of modern times.
The BIR defined indigenous petroleum as 'locally extracted mineral oil, hydrocarbon gas, bitumen, crude asphalt, mineral gas and all other similar or naturally associated substances with the exception of coal, peat, bituminous shale and/or stratified mineral deposits.'
Black bituminous shale, chert and other siliceous rocks are best host of phosphate and these are frequently found in Indus basin of Pakistan and further exploration should be accelerated because Pakistan is an agricultural country.
Depending on the grade of thermal maturity, black shales are often referred to as sapropel, bituminous shale, or oil shale.
The minus 40 mm fraction, predominantly sandstone material, is conveyed directly to fine ore bins whilst the screen oversize (predominantly bituminous shale) reports to a secondary crushing circuit comprising hammer mills operating in open circuit with an integral screen of approximately 35 mm within the crusher.
This is because the bituminous shale contains freely floating organic compounds that typically account for 8-10% of the concentrate by weight.
The lacustrine sediments in the basin include coal and bituminous shale beds of varying thickness.
Investigation of outcrop area and source rock characteristics of bituminous shale of western and northwestern Anatolia is important.
Scientific Investigation and Economic Potential of Bituminous Shale Field in Bolu-Goynuk-Hasanlar and Suburbs (Hatildagi), Turkish Coal Institute.
On the bituminous shale and a newly detected combustible rock formation in the Province of Estonia, supplemented by remarks on some geological phenomena of modern times.
Bituminous rocks (bituminous shale, bituminous marls) are fine-grained sedimentary rocks that yield a significant proportion of oil of similar appearance to that of crude oil by pyrolysis [2-5].
Level [L.sub.5] consists of alternating marl and claystone layers and contains some bituminous shale (100 m in thickness).