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carbonate rock |
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carbonate rock [′kär·bə·nət ′räk] (petrology) A rock composed principally of carbonates, especially if at least 50% by weight. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Based on this evidence, the porosity and permeability distribution in Cenozoic limestones and dolostones from Florida and the Jurassic Smackover rocks can be considered typical for many if not most carbonate rocks elsewhere. For the past four years, Slack has been working a small backhoe, mostly by himself, in a three-acre pit about 60 kilometres northwest of Sudbury, excavating calcium carbonate rock from a large volcanic pipe near Fox Lake. The vent system, dubbed the Lost City because its lofty chimneys of carbonate rock can reach the height of an 18-story building, is situated on the side of an undersea mountain about 2,500 kilometers east of Bermuda and 15 km away from the Mid-Atlantic Ridge (SN: 7/14/01, p. |
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