The Statenville Formation is a geological formation of northern Florida,

USA The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

Age

Period:

Neogene The Neogene ( ), informally Upper Tertiary or Late Tertiary, is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period Mya. ...

Epoch: Miocene
Faunal stage:

Chattian The Chattian is, in the geologic timescale, the younger of two ages or upper of two stages of the Oligocene Epoch/Series. It spans the time between . The Chattian is preceded by the Rupelian and is followed by the Aquitanian (the lowest stage ...

through early

Blancan The Blancan North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 4,750,000 to 1,806,000 years Before Present, BP, a period of .

~28.4 to ~2.588

mya Mya may refer to: Brands and product names * Mya (program), an intelligent personal assistant created by Motorola * Mya (TV channel), an Italian Television channel * Midwest Young Artists, a comprehensive youth music program Codes * Burmese ...

, calculates to a period of

Location

The Statenville Formation is found in

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Columbia Columbia may refer to: * Columbia (personification), the historical female national personification of the United States, and a poetic name for America Places North America Natural features * Columbia Plateau, a geologic and geographic region in ...

, and Baker County, northeastern flank of the

Ocala Platform The Ocala Platform or Ocala Uplift is a geologic feature, a structural high, and a northwest-trending uplift paralleling the Peninsular Arch along the west coast of Florida. Age Period: Neogene Epoch: Early Late Oligocene through Pliocene Fau ...

Composition

It is composed of sands of light gray to light olive gray color which not of great hardness and contains phosphate. The sand is fine to coarse grained with scattered gravel and with minor occurrences of fossils. Clay is yellowish gray to olive gray in color, poorly consolidated and variably sandy containing phosphate.

Dolomite Dolomite may refer to: *Dolomite (mineral), a carbonate mineral *Dolomite (rock), also known as dolostone, a sedimentary carbonate rock *Dolomite, Alabama, United States, an unincorporated community *Dolomite, California, United States, an unincor ...

is in thin beds of yellowish gray to light orange, poorly to well indurated, sandy, clayey and containing phosphate grains. The Statenville Formation partly overlies the

Coosawhatchie Formation The Coosawhatchie Formation is a Miocene geologic formation with an outcrop in North Florida. It is within the Hawthorn Group. Age Period: Neogene Epoch: Miocene ~23.03 to 5.33 mya, calculates to a period of {{Mya, 23.03-5.33, million years Fa ...

.Burnette, William C., Cook, P. J., Riggs, Stanley R., Stanley R. Riggs, Shergold, J. H., Phosphate deposits of the world: Neogene to modern phosphorites, Cambridge University Press, 1990. Its permeability is generally low, forming part of the intermediate aquifer system. The phosphate content is of enough quantity to warrant mining.

Fossils

Mollusks (silicified) in casts and molds. Shark Teeth Petrified Wood

References

{{reflist *USGS: Florida Geology, Lithographic Units
*USGS: Geologic Map of the State of Florida
Neogene Florida Neogene Georgia (U.S. state) Miocene United States Miocene Series of North America Geologic formations of Florida