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  2. Oil shale geology - Wikipedia

    en.wikipedia.org/wiki/Oil_shale_geology

    The oil shale yield varies laterally, and may be as little as 7% for the lower layer and 4% for the upper layer. The formation is a very fine grained and laminated deposit ranging in color from dark gray to brown to black. While 60–70% of the shale consists of clay minerals, the balance is made up of organic matter. [3]

  3. Flysch - Wikipedia

    en.wikipedia.org/wiki/Flysch

    As the basin fills up, shallow-water sandstones and continental deposits form. [3] [4] Most of the resulting rocks have little deformation, but near the edge of the mountain chain they can be subject to folding and thrusting. [3] After the basin fills up, continental sediments are deposited on top of the flysch. [4]

  4. Aquilegia barnebyi - Wikipedia

    en.wikipedia.org/wiki/Aquilegia_barnebyi

    Aquilegia barnebyi, commonly known as the oil shale columbine or Barneby's columbine, [2] [1] is a perennial species of flowering plant in the buttercup family, with a native range comprising northeastern Utah and northwestern Colorado in the United States.

  5. Oil shale - Wikipedia

    en.wikipedia.org/wiki/Oil_shale

    Oil shale is an organic-rich fine-grained sedimentary rock containing kerogen (a solid mixture of organic chemical compounds) from which liquid hydrocarbons can be produced. In addition to kerogen, general composition of oil shales constitutes inorganic substance and bitumens.

  6. Kukersite - Wikipedia

    en.wikipedia.org/wiki/Kukersite

    Fossils (various bryozoans) in Ordovician period kukersite oil shale, northern Estonia. Estonian kukersite deposits are one of the world's highest-grade deposits with organic content varying from 15% to 55% with average more than 40%, and it has 65–67% conversion ratio into shale oil and oil shale gas. [1] [11] Fischer Assay oil yield is 30 ...

  7. Vaca Muerta - Wikipedia

    en.wikipedia.org/wiki/Vaca_Muerta

    The Vaca Muerta Shale is a continuous tight oil and shale gas reservoir of Late Jurassic and Early Cretaceous age. The formation covers a total area of 30,000 square kilometres (12,000 sq mi). [10] The shale is at a depth of about 9,500 feet (2,900 m), where it has been found productive of oil and gas.

  8. US oil firms unlikely to go 'drill, baby, drill' under Trump ...

    www.aol.com/news/us-oil-producers-unlikely-shift...

    LONDON -U.S. oil and gas producers are unlikely to radically increase production under president-elect Donald Trump as companies remain focused on capital discipline, a senior executive at Exxon ...

  9. Shale - Wikipedia

    en.wikipedia.org/wiki/Shale

    Shale is characterized by its tendency to split into thin layers less than one centimeter in thickness. This property is called fissility. [1] Shale is the most common sedimentary rock. [2] The term shale is sometimes applied more broadly, as essentially a synonym for mudrock, rather than in the narrower sense of clay-rich fissile mudrock. [3]

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    types of oil shalesoil shale sources
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