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  2. Fossils of the Burgess Shale - Wikipedia

    en.wikipedia.org/wiki/Fossils_of_the_Burgess_Shale

    The Burgess Shale is a series of sediment deposits spread over a vertical distance of hundreds of metres, extending laterally for at least 50 kilometres (30 mi). [18] The deposits were originally laid down on the floor of a shallow sea; during the Late Cretaceous Laramide orogeny, mountain-building processes squeezed the sediments upwards to their current position at around 2,500 metres (8,000 ...

  3. 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]

  4. Margaret Farrar - Wikipedia

    en.wikipedia.org/wiki/Margaret_Farrar

    Margaret Petherbridge Farrar (March 23, 1897 – June 11, 1984) was an American journalist and the first crossword puzzle editor for The New York Times (1942–1968). Creator of many of the rules of modern crossword design, she compiled and edited a long-running series of crossword puzzle books – including the first book of any kind that Simon & Schuster published (1924). [1]

  5. Shale oil extraction - Wikipedia

    en.wikipedia.org/wiki/Shale_oil_extraction

    These technologies usually employ rotating kiln or fluidized bed retorts, fed by fine oil shale particles generally having a diameter of less than 10 millimeters (0.4 in); some technologies use particles even smaller than 2.5 millimeters (0.10 in). The recycled particles are heated in a separate chamber or vessel to about 800 °C (1,470 °F ...

  6. Marcellus natural gas trend - Wikipedia

    en.wikipedia.org/wiki/Marcellus_natural_gas_trend

    The Marcellus natural gas trend is a large geographic area of prolific shale gas extraction from the Marcellus Shale or Marcellus Formation, of Devonian age, in the eastern United States. [2] The shale play encompasses 104,000 square miles and stretches across Pennsylvania and West Virginia, and into eastern Ohio and western New York. [3]

  7. George P. Mitchell - Wikipedia

    en.wikipedia.org/wiki/George_P._Mitchell

    George Phydias Mitchell (May 21, 1919 – July 26, 2013) was an American businessman, real estate developer and philanthropist from Texas credited with pioneering the economic extraction of shale gas.

  8. John Galbraith Graham - Wikipedia

    en.wikipedia.org/wiki/John_Galbraith_Graham

    The puzzle was reprinted as Guardian cryptic No. 25,842 [9] on 11 January 2013. The puzzle had a supplementary narrative beginning "Araucaria has 18 down of the 19, which is being treated with 13 15". [10] Those who solved the puzzle found the answer to 18 down was "cancer", to 19 "oesophagus", and to 13 and 15 "palliative" and "care".

  9. Piceance Basin - Wikipedia

    en.wikipedia.org/wiki/Piceance_Basin

    The Piceance Basin contains one of the thickest and richest oil shale deposits in the world and is the focus of most on-going oil shale research and development extraction projects in the U.S. The Piceance Basin has an estimated 1.525 trillion barrels of in-place oil shale resources, and an estimated 43.3 billion tons of in-place nahcolite ...