cave shield

   A semicircular plate of reprecipitated calcite located beneath joints in a cavern ceiling and believed to be formed by the seepage of hydrostatic water along the joint. Two shields form beneath one joint, descending from each side of the opening [22].
   See shield

A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. . 2002.

Look at other dictionaries:

  • shield —    ; cave shield    1. A thin circular disc of calcite projecting from a cave wall at any upward inclination, commonly a meter or more in diameter and with the underside draped with stalactites and curtains. The shield is actually a double disc… …   Lexicon of Cave and Karst Terminology

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