Bone Valley Formation

Geologic formation in Florida, United States From Wikipedia, the free encyclopedia

The Bone Valley Formation is a geologic formation in Florida. It is sometimes classified as the upper member of the Peace River Formation of the Hawthorn Group.[2] It contains economically important phosphorite deposits that are mined in west-central Florida, as well as rich assemblages of vertebrate fossils.

TypeFormation
Unit ofHawthorn Group
UnderliesPleistocene sand
OverliesPeace River Formation
Quick facts Type, Unit of ...
Bone Valley Formation
Stratigraphic range: Middle Miocene to Early Pliocene
↓
Fossil from the Bone Valley Formation
TypeFormation
Unit ofHawthorn Group
UnderliesPleistocene sand
OverliesPeace River Formation
Thickness30 metres (100 ft)
Lithology
PrimarySand, marl, clay
OtherPhosphorite pebbles, chert
Location
RegionFlorida
CountryUnited States
Type section
Named forBone Valley, Florida
Named byG.C. Matson and F.G. Clapp, 1909[1]
Close

Lithology

The Bone Valley Formation consists of sandy marl that contains pebbles of phosphate and chert, fragments of bone, and other organic remains. The finer grained material is soft and plastic when wet, but hardens when dry.[1]

Age

The Bone Valley Formation contains mammal fossils and its age has been determined by mammalian biostratigraphy.
Period: Neogene
Epoch: Middle Miocene to Early Pliocene
North American land mammal age: Barstovian to Hemphillian[3]

Paleontology

The Bone Valley Formation includes a diverse assemblage of vertebrate fossils. These include remains of sea turtles,[4] equines,[5] felines,[6][7] peccaries,[8] and others.

See also

References

Related Articles

Wikiwand AI