| 单词 | paleokarst | 
| 释义 | > as lemmaspaleokarst   paleokarst  n.  Brit.  , U.S.  , ΚΠ 1964    Ann. Assoc. Amer. Geographers 54 186  				It is planned to begin extensive investigations of the problem of karst as a whole, with special attention paid to climatic relationships, tropical karst, and paleo-karst. 1994    Science 28 Jan. 494/1  				Microfossils have been discovered in cavity-fill and replacement silica that occurs between chert-breccia clasts in 1200-million-year-old paleokarst at the top of the Mescal Limestone. < as lemmas  | 
	
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