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calcareous rock |
Also found in: Medical, Wikipedia, Hutchinson | 0.02 sec. |
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calcareous rock: see limestone limestone, sedimentary rock wholly or in large part composed of calcium carbonate. It is ordinarily white but may be colored by impurities, iron oxide making it brown, yellow, or red and carbon making it blue, black, or gray. The texture varies from coarse to fine. ..... Click the link for more information. ; marble marble, metamorphic rock composed wholly or in large part of calcite or dolomite crystals, the crystalline texture being the result of metamorphism of limestone by heat and pressure. ..... Click the link for more information. . |
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The drilling has confirmed the presence of significant thickness' (260 feet to 555 feet) of interbedded calcareous rocks including shales, siltstones and limestones which would make ideal host rocks for disseminated mineralization. |
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