Geology. A calcareous rock having a radiating prismatic or columnar structure and resembling coralline limestone. Obsolete.
单词 | θ5588 |
释义 | the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [noun] (182) madreporite1816 Geology. A calcareous rock having a radiating prismatic or columnar structure and resembling coralline limestone. Obsolete. sedimentary1878 A sedimentary formation or deposit. Subcategories:— chalk or limestone (3) — limestone (76) — chalk (8) — calcareous tuff (5) — sandstone (35) — shale (31) — other argillaceous (7) — other siliceous (3) — stromatolite (2) — olistostrome (2) — other sedimentaries (7) — kerogen (1) |
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