Suwannee Limestone
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Suwannee Limestone
The Suwannee Limestone is an Early Oligocene geologic formation of exposed limestones in North Florida, United States. Description Suwannee Limestone is found in the peninsula carbonate outcroppings on the northwestern, northeastern and southwestern flanks of the Ocala Platform. However, Suwannee Limestone is not present on an area known as Orange Island (Florida), Orange Island on the eastern side of the Ocala Platform due to erosion, nondeposition or both. This limestone is present in southeastern Leon County, Florida, Leon, Jefferson County, Florida, Jefferson, Madison County, Florida, Madison, Taylor County, Florida, Taylor, Lafayette County, Florida, Lafayette counties as well as Hamilton County, Florida, Hamilton along the upper Suwannee River basin, and southward into Suwannee County, Florida. Early Oligocene Suwannee Limestone was recognized in the northwestern peninsula by P. F. Huddleston in 1993 as a triple subdivision of Suwannee Limestone, Ellaville Limestone, and ...
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Geological Formation
A geological formation, or simply formation, is a body of rock having a consistent set of physical characteristics (lithology) that distinguishes it from adjacent bodies of rock, and which occupies a particular position in the layers of rock exposed in a geographical region (the stratigraphic column). It is the fundamental unit of lithostratigraphy, the study of strata or rock layers. A formation must be large enough that it can be mapped at the surface or traced in the subsurface. Formations are otherwise not defined by the thickness (geology), thickness of their rock strata, which can vary widely. They are usually, but not universally, tabular in form. They may consist of a single lithology (rock type), or of alternating beds of two or more lithologies, or even a heterogeneous mixture of lithologies, so long as this distinguishes them from adjacent bodies of rock. The concept of a geologic formation goes back to the beginnings of modern scientific geology. The term was used by ...
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