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  • Thumbnail for Marcellus Formation
    coarse zone. Its basal beds are found within the uppermost beds of the Onondaga Limestone or Needmore Shale, and the uppermost ash bed within the lowermost...
    102 KB (10,675 words) - 23:40, 16 July 2024
  • Thumbnail for Laurel Run mine fire
    geographical province. The coal beds that are on fire are the Ross bed, the Top Red Ash bed, and the Bottom Red Ash bed. The coal beds dip 10 or 15 degrees to...
    11 KB (1,241 words) - 02:26, 11 May 2024
  • Thumbnail for Lava Creek Tuff
    pyroclastic layers, formerly known as the Pearlette type O ash bed in the United States and Wascana Creek ash in Canada. The thick tuff formation resulting from...
    13 KB (1,433 words) - 22:06, 16 July 2024
  • thought that there was only one significant ash bed, not three of them, any nonglacial deposit containing an ash bed, regardless of its true age, were thought...
    12 KB (1,501 words) - 07:13, 1 October 2024
  • Thumbnail for Lake Corcoran
    Marta J.; Slate, Janet L. (1 March 1985). "Correlation of the Rockland ash bed, a 400,000-year-old stratigraphic marker in northern California and western...
    10 KB (977 words) - 14:34, 16 May 2024
  • Thumbnail for Serpent Mound
    charcoal is the remainder of a Fort Ancient Culture ash bed. The wood charcoal from within the remnant bed was carbon dated back to the time of the Fort Ancient...
    32 KB (4,152 words) - 01:07, 17 October 2024
  • Thumbnail for Petrified wood
    fine grained sediments of deltas and floodplains or volcanic lahars and ash beds. A forest where such material has petrified becomes known as a petrified...
    30 KB (3,167 words) - 03:01, 22 October 2024
  • Pleistocene deposits contained only two glacial tills and one volcanic ash bed within Nebraska and Kansas. Of these two proposed glacial tills, the Kansan...
    9 KB (1,013 words) - 03:32, 2 May 2023
  • Thumbnail for Bentonite
    from the weathering of volcanic ash in seawater, or by hydrothermal circulation through the porosity of volcanic ash beds, which converts (devitrification)...
    38 KB (4,359 words) - 15:30, 25 July 2024
  • The Tioga Bentonites are a series of ash bed layers occurring in three Sedimentary basins in the eastern and midwestern United States. The primary basin...
    4 KB (357 words) - 04:07, 27 September 2023
  • Thumbnail for Eucalyptus regnans
    Eucalyptus regnans, known variously as mountain ash (in Victoria), giant ash or swamp gum (in Tasmania), or stringy gum, is a species of very tall forest...
    61 KB (7,250 words) - 05:32, 1 November 2024
  • Thumbnail for Ashfall Fossil Beds
    fossilized organisms. Ash from a Yellowstone hotspot eruption 10-12 million years ago created these fossilized bone beds. The ash depth was up to 1 foot...
    11 KB (990 words) - 10:10, 12 June 2024
  • Thumbnail for Bed
    A bed is an item of furniture that is used as a place to sleep, rest, and relax. Most modern beds consist of a soft, cushioned mattress on a bed frame...
    36 KB (4,513 words) - 08:47, 19 September 2024
  • Thumbnail for Sanidine
    W-type rhyolite ash beds contain sodium-poor sanidine; G-type rhyolite ash beds contain sodium-rich sanidine; and dacite fallout ash beds frequently lack...
    8 KB (750 words) - 23:18, 29 February 2024
  • Thumbnail for Tuff
    Tuff (section Volcanic ash)
    type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Following ejection and deposition, the ash is lithified into a solid rock...
    42 KB (4,848 words) - 17:30, 23 October 2024
  • Thumbnail for Dakuwaqa
    Avatea Kamohoalii Ukupanipo Ulupoka Fijian Medicinal Plants by RC Cambie, J Ash Bed the turtle softly: legends of the South Pacific by Mary Edith Branham and...
    5 KB (671 words) - 22:52, 24 June 2024
  • Thumbnail for Fluidized bed combustion
    basic form, fuel particles are suspended in a hot, bubbling fluidity bed of ash and other particulate materials (sand, limestone etc.) through which jets...
    8 KB (1,093 words) - 13:53, 5 August 2024
  • Thumbnail for Bed bug
    domestic fumigant against bed bugs. Dusts have been used to ward off insects from grain storage for centuries, including plant ash, lime, dolomite, certain...
    68 KB (6,950 words) - 20:02, 26 October 2024
  • Thumbnail for Agglomerate
    differences between agglomerates and ordinary ash beds or tuffs. Agglomerates are coarser and less frequently well-bedded. Agglomerates can be non-welded or welded...
    4 KB (495 words) - 18:07, 12 April 2024
  • Thumbnail for Marker horizon
    Marker horizon (redirect from Key bed)
    key beds often can be used for both mapping and correlating sedimentary rocks and dating them. Volcanic ash beds (tonsteins and bentonite beds) and impact...
    6 KB (775 words) - 06:21, 30 July 2024
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