limestone deposits

What Is A Rock Made Of Shells And Corals Cemented Together Called?

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What Is A Rock Made Of Shells And Corals Cemented Together Called? Coquina (“co-keen-ah”): A sedimentary rock consisting of loosely-consolidated fragments of shells and/or coral. The matrix or “cement” consolidating the fragments is generally calcium carbonate or phosphate. … Coquina forms in near-shore environments, such as marine reefs. What are rocks with shells called? Coquina

What Is The Geological History Of Florida?

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What Is The Geological History Of Florida? Geologists estimate the age of the Earth at more than 4.5 billion years. The Florida plateau, which is the platform upon which Florida is perched, was formed about 530 million years ago by a combination of volcanic activity and marine sedimentation during the early Ordovician Period. How do