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  2. Oil shale geology - Wikipedia

    en.wikipedia.org/wiki/Oil_shale_geology

    Oil shale geology is a branch of geologic sciences which studies the formation and composition of oil shales–fine-grained sedimentary rocks containing significant amounts of kerogen, and belonging to the group of sapropel fuels. [1] Oil shale formation takes place in a number of depositional settings and has considerable compositional variation.

  3. Bench (geology) - Wikipedia

    en.wikipedia.org/wiki/Bench_(geology)

    Hypothetical cross-section of a river valley showing different types of benches. They include structural benches (sb) formed by the differential erosion of shale beds overlying limestone beds. Also, they include benches in the form of narrow strath terraces (st), fill terraces (ft), and cut terraces (ct) underlain by fluvial sediments.

  4. 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]

  5. Bazhenov Formation - Wikipedia

    en.wikipedia.org/wiki/Bazhenov_Formation

    According to U.S. Energy Information Administration estimates published in June 2013, the total Bazhenov shale prospective area has a resource of a risked tight oil in-place of 1,243 billion barrels (1.976 × 10 11 cubic metres) and a risked shale gas in-place of 1,920 trillion cubic feet (54 trillion cubic metres), with 74.6 billion barrels (1 ...

  6. Growth fault - Wikipedia

    en.wikipedia.org/wiki/Growth_fault

    This encloses much fluid which under pressure causing the whole shale bed to turn into a viscous, low density, high mobility layer. The over-pressured shale layers trigger and initiate the growth faults in the same way as the evaporite layers does. [6] Earthquakes arise and result from the release of the force along the growth fault plane. [12]

  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.

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