| 单词 | sub-cambrian | 
| 释义 | > as lemmassub-Cambrian  (iii)   Geology. Forming nouns denoting and adjectives designating strata that lie beneath (and are hence earlier than) the system of rocks specified, as  sub-Cambrian adj. and n.,  sub-Cretaceous adj. and n.,  sub-Devonian adj. and n.,  sub-Wealden adj. and n., etc. Cf. earlier sub-Carboniferous adj. ΚΠ 1833    Rep. 1st & 2nd Meetings Brit. Assoc. Advancem. Sci. 1831–2 376  				The rectification..of the previous arrangement of the subcretaceous sands has brought to light in the Weald of Kent a fresh water formation..between these sands and the subadjacent Purbeck limestone. 1841    Lit. Gaz. 27 Nov. 769/1  				The Subsilurian or upper Cambrian. 1871    J. Tyndall Fragm. Sci. 		(1879)	 II. ix. 172  				The riddle of the rocks has been read from sub-cambrian depths. 1872    in  Rec. Sub-Wealden Explor. 		(1878)	 6  				The thickness of the Sub-Wealden strata in France and Belgium. 1907    Jrnl. Geol. 		(Chicago)	 15 664  				At about 3 miles west of the granite line on the south side of West Creek, Mr. Woolsey measured the following section of sub-Triassic strata. 1935    Geografiska Ann. 17 337  				The sub-Devonian unconformity is the most conspicuous structural break in the region. 1967    Proc. Geologists' Assoc. 78 36  				The sub-Wealden erosion surface must have been convex-upwards, sagging continuously into the basin. 2005    K. Lidmar-Bergström  & J.-O. Näslund in  M. Seppälä Physical Geogr. Fennoscandia 		(2008)	 i. 11/1  				Kaolinitic saprolite remnants are still preserved within the exhumed sub-Cretaceous and sub-Jurassic hilly terrain in south Sweden. < as lemmas | 
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