Sunrise Formation facts for kids

Kids Encyclopedia Facts

Quick facts for kids Sunrise Formation Stratigraphic range: Hettangian-Sinemurian ~201–191Ma PreЄ Є O S D C P T J K Pg N
Type	Formation
Sub-units	Ferguson Hill & New York Canyon members
Overlies	Gabbs Formation
Lithology
Primary	Limestone
Other	Shale, siltstone, sandstone
Location
Coordinates	38°30′N 118°06′W / 38.5°N 118.1°W / 38.5; -118.1
Approximate paleocoordinates	19°30′N 56°12′W / 19.5°N 56.2°W / 19.5; -56.2
Region	Nevada
Country	United States
Extent	Gabbs Valley Range

The Sunrise Formation is a geologic formation in Nevada. It preserves fossils dating back to the Hettangian to Sinemurian stages of the Early Jurassic period.

Fossil content

Among others, the following fossils have been reported from the formation:

Ammonites

Alsatites proaries
Arnioceras ritterbushi
A. sparsum
Coroniceras involutum
C. luningense
Guexiceras profundus
Tipperoceras mullerense
Tmaegoceras nudaries

Bivalves

Agerchlamys boellingi
Jaworskiella siemonmulleri
Trigonia aff. hemisphaerica
Vaugonia cf. vancouverensis
Frenguelliella sp.

Echinoids

Plesiechinus hawkinsi

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Sunrise Formation Facts for Kids. Kiddle Encyclopedia.