The NSS Bulletin - ISSN 1090-6924
Volume 50 Number 2: 54-58 - December 1988

A publication of the National Speleological Society

Etymology, Terminology, and an Attempt of Definition of Mondmilch
Hans Fischer


The historical term Mondmilch (= calcite moonmilk) is related to the proper type locality, the cave Mondmilchloch from South-Pilatus near Lucerne (Switzerland). Moreover, an attempt has been made to define Mondmilch senu stricto (>90% CaCO3) more precisely in order to distinguish mondmilch-like carbonate speleothems (= moonmilk, <90% CaCO3) and other subterranean deposits, e.g., sulphates, phosphates and silicates from pure calcite Mondmilch.

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