A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
raft — A thin sheet of crystalline calcite supported by surface tension on a cave pool or lake. The calcite is precipitated mainly in response to evaporation of the pool water and rafts are therefore found mainly in caves in arid regions or caves… … Lexicon of Cave and Karst Terminology
cave raft — A thin mineral film, usually of calcite, floating on a cave pool … Lexicon of Cave and Karst Terminology
Grand Canyon — This article is about the canyon in the southwestern United States. For other Grand Canyons, see Grand Canyon (disambiguation). Grand Canyon … Wikipedia
gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.… … Universalium
