{{Short description|Geologic formation in Nevada, United States}} {{Infobox rockunit | name = Sunrise Formation | image = | caption = | type = Formation | age = Hettangian-Sinemurian<br>~{{fossil range|201|191}} | period = Sinemurian | prilithology = Limestone | otherlithology = Shale, siltstone, sandstone | namedfor = | namedby = | region = Nevada | country = United States | coordinates = {{coord|38.5|N|118.1|W|display=inline,title}} | paleocoordinates = {{coord|19.5|N|56.2|W|display=inline}} | unitof = | subunits = Ferguson Hill & New York Canyon members | underlies = | overlies = Gabbs Formation | thickness = | extent = Gabbs Valley Range | area = | map = {{Location map+ | United States#Nevada | relief = 1 | width = 250 | float = center | places = {{Location map~ | United States#Nevada | lat_deg = 38.5 | lon_deg = -118.1 | mark = Blue pog.svg | marksize = 12 }} }} | map_caption = }} 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.<ref name=FW>[https://paleobiodb.org/classic/displayStrata?geological_group=&formation=Sunrise&group_formation_member=Sunrise Sunrise Formation] at Fossilworks.org</ref>
== Fossil content == Among others, the following fossils have been reported from the formation: ;Ammonites {{div col|colwidth=29em}} * ''Alsatites proaries''<ref name=Guex1995>Guex, 1995</ref> * ''Arnioceras ritterbushi''<ref name=Taylor2021>Taylor & Guex, 2021</ref> * ''A. sparsum''<ref name=Taylor2021/> * ''Coroniceras involutum''<ref name=Taylor1998>Taylor, 1998</ref> * ''C. luningense''<ref name=Taylor1998/> * ''Guexiceras profundus''<ref name=Taylor1998/> * ''Tipperoceras mullerense''<ref name=Taylor1998/> * ''Tmaegoceras nudaries''<ref name=Taylor1998/> {{div col end}} ;Bivalves {{div col|colwidth=29em}} * ''Agerchlamys boellingi''<ref name=Taylor2002>Taylor & Guex, 2002</ref> * ''Jaworskiella siemonmulleri''<ref name=Poulton1979>Poulton, 1979</ref> * ''Trigonia aff. hemisphaerica''<ref name=Poulton1979/> * ''Vaugonia cf. vancouverensis''<ref name=Poulton1979/> * ''Frenguelliella sp.''<ref name=Poulton1979/> {{div col end}} ;Echinoids * ''Plesiechinus hawkinsi''
== See also == * List of fossiliferous stratigraphic units in Nevada * Paleontology in Nevada
== References == {{reflist|2}}
=== Bibliography === * {{citation |last1=Taylor |first1=D. |last2=Guex |first2=J. |year=2021 |title=Early Sinemurian ammonoids and biochronology of the Sunrise Formation, New York Canyon, Mineral County, Nevada |url=https://www.researchgate.net/publication/348008353 |journal=New Mexico Museum of Natural History and Science Bulletin |volume=82 |pages=371–391}} * {{citation |last1=Taylor |first1=D. |last2=Guex |first2=J. |year=2002 |title=The Triassic/Jurassic System boundary in the John Day Inlier, east-central Oregon |journal=Oregon Geology |volume=64 |pages=3–28}} * {{citation |last=Taylor |first=D.G |year=1998 |title=Late Hettangian-early Sinemurian (Jurassic) ammonite biochronology of the western Cordillera, United States |journal=Geobios |volume=31 |issue=4 |pages=467–497|doi=10.1016/S0016-6995(98)80120-4 |bibcode=1998Geobi..31..467T }} * {{citation |last=Guex |first=J |year=1995 |title=Ammonites hettangiennes de la Gabbs Valley Range (Nevada, USA) |journal=Mémoires de Géologie (Lausanne) |volume=27 |pages=1–131}} * {{citation |last=Poulton |first=T. P |year=1979 |title=Jurassic Trigoniid Bivalves from Canada and Western United States of America |journal=Geological Survey of Canada Bulletin |volume=282 |pages=}} * {{citation |last=Jesionek-Szymanska |first=W |year=1970 |title=On a new pygasterid (Echinoidea) from the Jurassic (middle Lias) of Nevada, U.S.A. |journal=Acta Palaeontologica Polonica |volume=15 |pages=411–419}}
Category:Jurassic geology of Nevada Category:Jurassic System of North America Category:Hettangian Stage Category:Sinemurian Stage Category:Limestone formations of the United States Category:Sandstone formations of the United States Category:Shale formations of the United States Category:Siltstone formations of the United States Category:Shallow marine deposits Category:Paleontology in Nevada