Florida Geological Survey - Geology Topics
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The Marianna Limestone is a Lower Oligocene
(see time scale), white to cream,
fossiliferous, variably argillaceous marine limestone occurring in the
central panhandle. It is laterally equivalent to the lower portion of the
Suwannee Limestone. The Marianna Limestone was once quarried near Marianna,
Jackson County, for use as a building stone. Fossils include foraminifera,
mollusks, and rare vertebrates.
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