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shale <shale; shales> N GEOL

shale <shale; shales> N

alum shale GEOL

bituminous shale GEOL

clay shale MIL

dense shale GEOL

diatomaceous shale GEOL

kerosene shale PETRO ENINEER

kim shale GEOL

shale formation GEOL

shale oil PETRO ENINEER

shale oil refinery PETRO ENINEER

Monolingual examples (not verified by PONS Editors)

English
As a source for hydrocarbon production, particular interest is oil shales in Dead Sea graben area.
en.wikipedia.org
Fossil leaves are abundant, especially in the shales and sandstones associated with coal.
en.wikipedia.org
The sediments are composed of deep-water shales and radiolarite.
en.wikipedia.org
Some black shales contain abundant heavy metals such as molybdenum, uranium, vanadium, and zinc.
en.wikipedia.org
In addition to the quartz veins in the shales, the diorite contains low grade mineralized shear zones.
en.wikipedia.org
They contain strata of hydrocarbons (oil shales), which have been burning continuously for centuries.
en.wikipedia.org
The mountain is made up of grey limestone with a cap of sandstone and shales and is extensively quarried by local companies.
en.wikipedia.org
They only make up about 15 percent of framework grains in sandstones and 5% of minerals in shales.
en.wikipedia.org
Culm grassland on the formation's slates and shales is composed of purple moor grass and rush pasture.
en.wikipedia.org
Sometimes non-shales also have elevated levels of gamma radiation.
en.wikipedia.org

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