(a) any marl of a red colour; (Geology) a layer of such marl forming part of the Old or New Red Sandstone formations; †(b) red ochre, ruddle (obsolete…
| 单词 | θ5385 |
| 释义 | the world > the earth > structure of the earth > age or period > stratigraphic units > [noun] > secondary or Mesozoic > Triassic > specific (6) red marl1625 (a) any marl of a red colour; (Geology) a layer of such marl forming part of the Old or New Red Sandstone formations; †(b) red ochre, ruddle (obsolete… Muschelkalk1824 A series of limestone rocks of the Middle Triassic in Europe, best represented in Germany, lying above the Bunter and below the Keuper; (usually with… poecilite1832 The rock of the Triassic system in north-west Europe; esp. the New Red Sandstone. Cf. New Red Sandstone, n. keuper1844 The name given in Germany, and thence by English geologists, to the upper member of the Triassic system, consisting in Germany of marls, shales… bunter1874 = New Red Sandstone, n. Karoo beds1876 an important South African series of rocks, of Triassic age, chiefly sandstone mixed with volcanic matter. |
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