Calcite (Inventory)/Boxwork

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Boxwork. Other formations visible include popcorn and dogtooth spar.

The Boxwork inventory field should be used to list stations which exhibit boxwork. Boxwork is not technically a speleothem but a speleogen. That is, it is not a formation but a residual of dissolution. Boxwork forms when cracks in the bedrock are filled with a mineral which is harder to dissolve than the bedrock itself. when the bedrock dissolves, it leaves the mineral which used to fill the cracks exposed. It often appears on the ceiling but may be present anywhere bedrock is exposed. It may be obscured by secondary formations. Boxwork can appear as small examples or large areas. It often takes on polygonal shapes (usually rectangular) but may be almost any shape. It need not project far from the rock to be considered boxwork. Often it is a different color than the bedrock (usually darker).

Although it is listed in the calcite section of the CCNP Cave Inventory Form, any boxwork no matter its specific mineral content (which may be difficult to identify anyway and is often not calcite) should be listed.


Calcite (Inventory)/Boxwork is a part of the cave inventory project.
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