Glossary of Speleological and Caving Terms
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Copyright © Australian Speleological Federation Inc. 2002

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JOINT A planar or gently curving crack separating two parts of once continuous rock, without relative movement along its plane.
Speleology term. Ref JJ
JOINT PLANE The plane in which a joint has formed.
Speleology term. Ref MM
JOINT PLANE CAVE A cavity developed along a joint, which is often steeply dipping, and thus high in relation to width.
Cave - Kinds of. Ref JJ
JUG HANDLE A small loop of rock shaped like a handle, used as an anchor point or hand hold to aid in climbing.
Climbing and SRT. Ref MM
JUMAR An ascender with a simple finger operated safety catch, a handle and several attachment points.
Climbing and SRT. Ref JJ

Copyright © Australian Speleological Federation Inc. 2002

The Glossary of Speleological and Caving Terms is the copyright property of the
AUSTRALIAN SPELEOLOGICAL FEDERATION INC. (ASF) and any reproduction of it either in part or in full, should have the approval of the ASF, and such reproduction should be accompanied by a copyright notice similar to this one.

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