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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