| 单词 | fundamental complex |
| 释义 | > as lemmasfundamental complex fundamental complex n. Geology (now disused) an assemblage of rocks forming the lowest layers of the Precambrian strata and constituting the oldest rocks of the earth's crust; cf. Archaean adj. ΘΚΠ the world > the earth > structure of the earth > [noun] > fundamental complex basement complex1887 fundamental complex1890 basal complex1897 1890 Bull. Geol. Soc. Amer. 1 235 The only authorities who at the present time maintain that they have shown that any rocks apparently belonging to this fundamental complex are water-deposited clastics. 1893 A. Geikie Text-bk. Geol. (ed. 3) II. vi. i. 715 The pre-Cambrian rocks..may be divided into two great series. At the base lies a vast mass of gneisses, schists, and eruptive rocks, which, known as the ‘Fundamental Complex’, is regarded as the oldest of the whole. 1910 Encycl. Brit. II. 361/1 The so-called ‘fundamental complex’, an assemblage of acid, basic and intermediate irruptive rocks, associated together in a complex of extraordinary intricacy. 1961 L. D. Stamp Gloss. Geogr. Terms 202/2 Fundamental complex, in geology the rocks of the ‘original’ crust of the earth formerly applied to the great areas of pre-Cambrian crystalline rocks. It is still used although it is now recognized that probably no part represents the ‘original’ crust of the earth. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。