| 单词 | karoo beds |
| 释义 | > as lemmasKaroo beds Karoo beds n. (also Karoo formation) an important South African series of rocks, of Triassic age, chiefly sandstone mixed with volcanic matter. ΘΚΠ the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > secondary or Mesozoic > Triassic > specific red marl1625 Muschelkalk1824 poecilite1832 keuper1844 bunter1874 Karoo beds1876 1876 Encycl. Brit. V. 42/1 The ‘Karroo beds’..are believed from the abundance of fossil wood and fresh-water shells to be of lacustrine origin. 1886 H. C. Lewis Papers on Diamond (1897) 7 The diamond-bearing pipes [at Kimberley] penetrate strata of Triassic age which are known as the Karoo beds. 1886 H. C. Lewis Papers on Diamond (1897) 7 The Kimberley shales belong to the lower Karoo formation. < as lemmas |
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