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Oolite is tempermental and requires expert installation, skills that exceed those of most commercial or residential tile layers. The former is described as an elevated coral reef rock that was submerged as sea levels rose. It is available in limited quantities & because of its porosity can not be hatchet faced in thicknesses less than 3 inches. The contact between the lower non-oolitic limestone and the oolitic limestone is quite uneven and possibly indicates a minor disconformity. Miami Marine Limestone (formerly the Miami Oolite) located in Southeastern Peninsular Florida & in the Keys, Florida, information and photograph by the Florida. Gables oolite or graveyard stone is characterized by deep crevices & rust veining. Southern Dade county oolite is characterized by white. It forms the Atlantic Coastal Ridge and extends beneath the Everglades where it is commonly covered by thin organic and freshwater sediments. The most prevalent form of oolite is southern Dade county oolite because of the available rural land. The Miami Limestone (formerly the Miami Oolite), named by Sanford (1909), occurs at or near the surface in southeastern peninsular Florida from Palm Beach County to Dade and Monroe Counties. Fossils present include mollusks, bryozoans, and corals. Beds of quartz sand and limey sandstones may also be present.
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The bryozoan facies consists of white to orangish gray, sandy, fossiliferous limestone. Ooliths are formed by the deposition of layers of calcite around tiny particles, such as sand grains or shell fragments.
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Ooliths are small rounded grains so named because they look like fish eggs. The oolitic facies consists of white to orangish gray, oolitic limestone with scattered concentrations of fossils. The Miami Limestone consists of two facies: an oolitic facies and a bryozoan facies. It occurs at or near the surface in southeastern peninsular Florida from Palm Beach County to Dade and Monroe Counties and in the keys from Big Pine Key to the Marquesas Keys. On examining the layout of the holes and adjacent larger oval and rounded rectangular basins, the project's surveyor, Ted Riggs, postulated that they were part of a circle 38. The Miami Limestone (formerly the Miami Oolite) is a Pleistocene marine limestone. Excavation within three areas at the Brickell Point property revealed additional black earth middens, and numerous artifact-filled holes in the Miami oolite limestone.