UIS Commission on Karst Hydrogeology and Speleogenesis
Filter by letter:
All a a a b c d e f h i j k l m n o p q r s t u w x y z
Email Print


Glossary of Karst and Cave Terms

Rock fragments that fall from the walls of a borehole and contaminate the well cuttings or block the hole. These fragments must be removed by drilling or circulation of drilling fluids before the borehole can be deepened.