| 单词 | piercement dome | 
| 释义 | > as lemmaspiercement dome   piercement dome  n. = diapir n. ΚΠ 1942    M. P. Billings Struct. Geol. xiv. 254  				Salt domes are classified by some geologists into piercement domes and non~piercement domes, the former being discordant, the latter concordant. 2000    Star Phoenix 		(Saskatoon, Sask.)	 		(Nexis)	 2 Sept.  e1  				Geological Survey of Canada scientist H.R. Greinrier visited the site a short time later and thought it to be a salt piercement dome. < as lemmas  | 
	
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