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Cactolith
''"A cactolith is a quasihorizontal chonolith composed of anastomosing ductoliths whose distal ends curl like a harpolith, thin like a sphenolith, or bulge discordantly like an akmolith or ethmolith."'' This term and its associated definition were created by Charles B. Hunt, a USGS researcher, in his paper "Geology and geography of the Henry Mountains region, Utah" (1953).〔Hunt, C. B., et al, 1953. USGS Prof. Paper 228, p. 151 (quoted in the Glossary of Geology, Bates and Jackson, 1980)〕〔(''Jabberokey,'' West Australian Geologist, Number 475 — February/March 09 )〕 Whilst he was in fact describing an actual geological feature - a laccolith which he saw as resembling a cactus - he was also, tongue-in-cheek, commenting on what he saw as an absurd number of "-lith" words in the field of Geology. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Cactolith」の詳細全文を読む
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