Glossary of Karst and Cave Terms
Based on "A Lexicon of Cave and Karst Terminology with Special to Environmental Karst Hydrology" EPA/600/R-02/003, 2002, EPA: Washington, DC., Speleogenesis Glossary includes 2699 cave & karst terms
thrust; thrust fault
A generally gently dipping or subhorizontal fault plane where the relative movement has been essentially horizontal, with one rock sequence being pushed across and above another. Some cave development in the Traligill area of north-west Scotland has been guided by thrust planes .