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Showing 1 to 2 of 2 for “"carbonate rock deposits"”.

  1. Petrology of the basal middle Ordovician Blackford formation of the type belt, Russell County, Virginia

    Heyman, LouisVirginia Tech1970

    … of the area studied consists of dominantly carbonate rocks deposited in a shallow sea which transgressed on a subaerially eroded carbonate terrane having up to 110 feet of relief locally. The lower two-thirds was deposited in a generally supratidal environment and grades up into rocks …

    vt Repository record

  2. Kieselkalke der Schweiz: Charakterisierung eines Rohstoffs aus geologischer, petrographischer, wirtschaftlicher und umweltrelevanter Sicht

    Bärtschi, ChristophETH Zürich2011

    ethz Repository record