limestone definition

  • noun:
    • a typical sedimentary rock consisting mainly of calcium carbonate, CaCO3, used as a building stone plus the manufacture of lime, skin tightening and, and concrete.
    • An abundant rock of marine and fresh-water sediments; primarily composed of calcite (CaCO₃); it occurs in a variety of forms, both crystalline and amorphous.
    • A rock consisting mainly of calcium carbonate or carbonate of lime. It sometimes includes in addition magnesium carbonate, and is after that called magnesian or dolomitic limestone. Crystalline limestone is called marble.
    • Rock consisting wholly or in big element of calcareous material or carbonate of lime.
    • A limestone in the New York variety of structures, originally called the Scutella and Upper Pentamerus limestones associated with Lower Helderberg number of strata. It is one of the least expensive or Helderbergian division of the Lower Devonian, lying nearby the top, under the Port Ewen bedrooms and above the brand new Scotland limestone. It abounds in fossil keeps, and from its purity is very esteemed both as a construction stone so that as a flux in smelting.
    • A division for the Lower Silurian of brand new York State together with adjoining areas, originally called by Eaton the “Calciferous sandrock.” Its viewed as the cheapest member of the reduced Silurian, resting on and graduating by easy changes from Potsdam sandstone beneath. The rock in northern nyc in addition to Lake Champlain basin is largely a limestone, in some instances magnesian, and carries a profuse and extremely interesting marine fauna. Within the Mohawk valley the beds tend to be almost lacking natural keeps, are highly dolomitic, while having been in your area designated since the minimal Falls dolomite.
    • a sedimentary stone consisting mainly of calcium that has been deposited because of the stays of marine pets
  • adjective:
    • manufactured from or with limestone.

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