Horse Spring Formation

The Horse Spring Formation is a geologic formation in Nevada. It preserves fossils dating back to the Neogene period.^[2] The lower unit is conglomerate and the middle and upper are sandstone and freshwater limestone.^[3]

Horse Spring Formation
Stratigraphic range: Neogene
Horse Spring Formation with stromatolite fossils
Type	Sedimentary
Sub-units	Lovell Wash member, Bitter Ridge Limestone, Thumb member, Rainbow Gardens member[1]
Underlies	Muddy Creek Formation
Lithology
Primary	conglomerate, sandstone, and limestone
Location
Region	Nevada
Country	United States

Muddy Creek Formation unconformably overlying the Horse Spring Formation in Nevada

See also

• Earth sciences portal
• United States portal
• Paleontology portal

• List of fossiliferous stratigraphic units in Nevada
• Paleontology in Nevada