Shale

//ʃeɪl//

"Shale" in a Sentence (14 examples)

Shale rock is a sedimentary rock made up of clay, compacted together by pressure.

Hydraulic fracturing makes use of high-pressure water to create cracks in hydrocarbon-bearing shale.

United States shale gas production is one of the worst ongoing ecological disasters.

Algeria has massive quantities of shale oil that could be extracted through fracking.

Is Algeria ready for extracting its shale oil?

Algeria has shale gas.

Does Algeria need shale oil to develop its economy?

Has Algeria started mining its shale oil?

Has Algeria started extracting its shale oil?

Shale gas is more expensive than conventional gas.

Show 4 more sentences

the green shales of a bean

Mr. Lyell next visited the red and green shales of Cabotville, north of Springfield in Massachusetts, where some of the best Ornithichnites have been procured, chiefly in the green shale.

As on all large green roofs, the soil is not dirt exactly but a gravel-like growing medium of granulated pumice, shales, clays and other minerals.

Five years in, ARPA–E’s priorities have shifted, too, for the same reason. The cheap natural gas freed from shale by horizontal drilling and hydraulic fracturing (or fracking) has helped kill off bleeding-edge programs like Electrofuels, a bid to use microbes to turn cheap electricity into liquid fuels, […]

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