shale

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shale

 (shāl)
n.
A fissile rock composed of layers of claylike, fine-grained sediments.

[Probably from Middle English, shell, from Old English scealu; see skel- in Indo-European roots.]

shal′ey adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

shale

(ʃeɪl)
n
(Geological Science) a dark fine-grained laminated sedimentary rock formed by compression of successive layers of clay-rich sediment
[Old English scealu shell; compare German Schalstein laminated limestone; see scale1, scale2]
ˈshaly adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

shale

(ʃeɪl)

n.
a rock of fissile or laminated structure formed by the consolidation of clay or argillaceous material.
[1740–50]
shale′like`, shal′ey, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

shale

(shāl)
A fine-grained sedimentary rock consisting of compacted and hardened clay, silt, or mud. Shale forms in many distinct layers and splits easily into thin sheets or slabs. It varies in color from black or gray to brown or red. See Table at rock.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

shale

A type of layered sedimentary rock formed chiefly from clay.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.shale - a sedimentary rock formed by the deposition of successive layers of clayshale - a sedimentary rock formed by the deposition of successive layers of clay
sedimentary rock - rock formed from consolidated clay sediments
humic shale - shale that is rich in humic acids
oil shale - shale from which oil can be obtained by heating
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
břidlice
skifer
agyagpala
leirsteinn
slāneklis

shale

[ʃeɪl]
A. Nesquisto m
B. CPD shale oil Npetróleo m de esquisto
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

shale

[ˈʃeɪl] nschiste m argileux
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

shale

nSchiefer m
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

shale

[ʃeɪl] nscisto
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

shale

(ʃeil) noun
type of rock from which oil is sometimes obtained.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in classic literature ?
It could do no more, for when it advanced pieces of sharp shale flew from the windows.
They dipped across beds of light snow and snow-powdered shale, where they took refuge from a gale in a camp of Tibetans hurrying down tiny sheep, each laden with a bag of borax.
Chen et al., "Pore structure characterization for the Longmaxi and Niutitang shales in the Upper Yangtze Platform, South China: Evidence from focused ion beam-He ion microscopy, nano-computerized tomography and gas adsorption analysis," Marine and Petroleum Geology, vol.
The Shale gas, they said, was a new phenomena worldwide and so far only US Shales had been proved as commercially viable.
Oil shale, also known as kerogen shale, is an organic-rich fine-grained sedimentary rock containing kerogen (a solid mixture of organic chemical compounds) from which liquid hydrocarbons called shale oil (not to be confused with tight oil-crude oil occurring naturally in shales) can be produced.
Many shales will be too expensive or too small to develop, especially if oil prices fall or environmental regulations tighten.
Hydrocarbon generation was found to have started in the Upper Cretaceous with a rapid burial started at 100 Ma when the rate of the hydrocarbon retained in the shales of the Sembar Formation was 0.4 million tons/Ma while at present the rate of the hydrocarbon retained in the Sembar shale is 0.2 million tons/Ma with an amount of remaining kerogen ranges between 9 to 34 megatons (Mtons).
Review of mechanical properties of oil shales: implications for exploitation and basin modelling.
Possible gas-bearing shales are said to be in far-flung in China, although as yet undeveloped.
Because shales ordinarily have insufficient permeability to allow significant fluid flow to a well bore, most shales are not commercial sources of natural gas unless developed through a technique known as hydraulic fracturing (fracking).
The policies of the central government to promote shale gas development Timing Policy Name 2011 Outline of the 12th five-year plan for economic and social development.
Shale Support Holdings, LLC has partnered with Tidewater Logistics.