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出典:Wiktionary
frost + -work
frostwork (countable かつ uncountable, 複数形 frostworks)
出典:Wikipedia
出典:『Wikipedia』 (2009/12/26 20:54 UTC 版)
Frostwork is a type of speleothem (cave formation) composed of acicular ("needle-like") growths almost always composed of aragonite (a polymorph of calcite) or calcite replaced by aragonite . It is a variety of anthodite. In some caves frostwork may grow on top of cave popcorn or boxwork.
frostwork