Топ-100 ⓘ Ocala Limestone. Period: Paleogene Epoch: Late Eocene Faunal
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ⓘ Ocala Limestone. Period: Paleogene Epoch: Late Eocene Faunal stage: Late Clarkforkian through early Orellan Absolute Age: ~55.8 to ~33.9 mya, calculates to a pe ..




Ocala Limestone
                                     

ⓘ Ocala Limestone

Period: Paleogene Epoch: Late Eocene Faunal stage: Late Clarkforkian through early Orellan Absolute Age: ~55.8 to ~33.9 mya, calculates to a period of approximately 21.9 million years

                                     

1. Location

The Ocala Limestone is at or near the surface within the Ocala Karst District located in west-central to the northwestern part of the peninsula. It is also within the Dougherty Plain District in the north-central panhandle where it easily forms karsts. These karsts often have several feet meters of relief which dramatically influence the topography of the Ocala Karst District and the Dougherty Plain District. The area is abundant with disappearing streams and springs.

                                     

2. Composition

Formerly a geologic group, Ocala Limestone was downgraded to formation status by T.M. Scott in 1991. The Ocala Limestone consists of almost pure limestones with occasional dolomites. It can be subdivided into both lower and upper facies with the lower facies composed of a whitish to cream-colored, fine to medium grained, poorly to moderately hard, fossil rich grainstone and packstone. The upper Ocala is white and somewhat weak and poorly sorted. Its extremely fossil rich grainstone, packstone and wackestone and some chert is common in the upper facies. Its permeable and transmissive properties allow it to form a vital portion of the Floridan Aquifer.

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