| 单词 | madrepore marble |
| 释义 | > as lemmasmadrepore marble madrepore marble n. limestone composed of fossil madrepores. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] > limestone > type of mailley1747 madrepore1809 limestone1813 roach1813 madrepore marble1839 majolica1866 post rock1958 1839 H. T. De la Beche Rep. Geol. Cornwall xv. 498 Many blocks are composed almost entirely of fossil-corals variously mingled in the mass, and are then commonly known as madrepore marbles. 1877 Cassell's Techn. Educator I. 87 Many blocks are almost entirely formed of fossil corals, and known as madrepore marbles. 1999 Encycl. Brit. Online (Version 99.1) at Marble The Paleozoic rocks (from 225,000,000 to 570,000,000 years in age) of Great Britain..include ‘madrepore marbles’ rich in fossil corals. < as lemmas |
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