| 单词 | sub-devonian |
| 释义 | > as lemmassub-Devonian (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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