H	Hydrogen
H	ⓘ Gypsum	CaSO₄ · 2H₂O
O	Oxygen
O	ⓘ Gypsum	CaSO₄ · 2H₂O
S	Sulfur
S	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	Calcium
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O
Au	Gold
Au	ⓘ Gold	Au

Fossils

There are 9 fossil localities from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences

Youngest Fossil Listed

247 Ma (Early/Lower Triassic)

Oldest Fossil Listed

265 Ma (Permian)

Stratigraphic Units

Unit	No. Occurrences	Age
Thaynes	1	251.2 - 247.2 Ma (Early/Lower Triassic)
Dinwoody	47	252.17 - 247.2 Ma (Phanerozoic)
Phosphoria - Tosi	18	259.9 - 252.17 Ma (Permian)
Phosphoria - Retort	2	259.9 - 252.17 Ma (Permian)
Shedhorn	3	265.1 - 259.9 Ma (Permian)

Fossils from Region

Click here to show the list.

Accepted Name	Hierarchy	Age
Gastropoda class	Animalia : Mollusca : Gastropoda	252.17 - 251.3 Ma Phanerozoic
Bivalvia class	Animalia : Mollusca : Bivalvia	252.17 - 251.3 Ma Phanerozoic
Acanthopecten genus	Animalia : Mollusca : Bivalvia : Pectinida : Aviculopectinidae : *Acanthopecten*	259.9 - 252.17 Ma Permian
Aviculopecten genus	Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : *Aviculopecten*	259.9 - 252.17 Ma Permian
Claraia genus	Animalia : Mollusca : Bivalvia : Pectinida : Pterinopectinidae : *Claraia*	252.17 - 251.3 Ma Phanerozoic
Eumorphotis genus	Animalia : Mollusca : Bivalvia : Pectinida : Etheripectinidae : *Eumorphotis*	252.17 - 251.3 Ma Phanerozoic
Gervillia genus	Animalia : Mollusca : Bivalvia : Ostreida : Bakevelliidae : *Gervillia*	252.17 - 251.3 Ma Phanerozoic
Pleuronectites genus	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : *Pleuronectites*	252.17 - 251.3 Ma Phanerozoic
Promyalina genus	Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : *Promyalina*	252.17 - 251.3 Ma Phanerozoic
Unionites genus	Animalia : Mollusca : Bivalvia : Trigoniida : Trigonodidae : *Unionites*	252.17 - 251.3 Ma Phanerozoic
Neoschizodus genus	Animalia : Mollusca : Bivalvia : Trigoniida : Myophoriidae : *Neoschizodus*	252.17 - 251.3 Ma Phanerozoic
Edmondia genus	Animalia : Mollusca : Bivalvia : Adapedonta : Edmondiidae : *Edmondia*	259.9 - 252.17 Ma Permian
Permophorus genus	Animalia : Mollusca : Bivalvia : Venerida : Kalenteridae : *Permophorus*	259.9 - 251.3 Ma Phanerozoic
Lingularia genus	Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : *Lingularia*	252.17 - 251.3 Ma Phanerozoic
Derbyia genus	Animalia : Brachiopoda : Strophomenata : Orthotetida : Derbyiidae : *Derbyia*	259.9 - 252.17 Ma Permian
Horridonia genus	Animalia : Brachiopoda : Strophomenata : Productida : Productidae : *Horridonia*	259.9 - 252.17 Ma Permian
Leptodus genus	Animalia : Brachiopoda : Strophomenata : Productida : Lyttoniidae : *Leptodus*	259.9 - 252.17 Ma Permian
Rhynchopora genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchoporidae : *Rhynchopora*	259.9 - 252.17 Ma Permian
Wellerella genus	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Wellerellidae : *Wellerella*	259.9 - 252.17 Ma Permian
Composita genus	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Athyrididae : *Composita*	259.9 - 252.17 Ma Permian
Hustedia genus	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Neoretziidae : *Hustedia*	259.9 - 252.17 Ma Permian
Orbicoelia genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Ambocoeliidae : *Orbicoelia*	252.17 - 251.3 Ma Phanerozoic
Spiriferina genus	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Spiriferinidae : *Spiriferina*	252.17 - 251.3 Ma Phanerozoic
Lingulidae family	Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae	259.9 - 252.17 Ma Permian
Aviculopectinoidea superfamily	Animalia : Mollusca : Bivalvia : Pectinida : Aviculopectinoidea	252.17 - 251.3 Ma Phanerozoic
Lyroschizodus oklahomensis species	Animalia : Mollusca : Bivalvia : Trigoniida : Trigoniidae : Lyroschizodus : *Lyroschizodus oklahomensis*	265.1 - 259.9 Ma Permian
Acanthopecten coloradoensis species	Animalia : Mollusca : Bivalvia : Pectinida : Limipectinidae : Acanthopecten : *Acanthopecten coloradoensis*	265.1 - 252.17 Ma Permian
Nuculopsis poposiensis species	Animalia : Mollusca : Bivalvia : Nuculida : Nuculidae : Nuculopsis : *Nuculopsis poposiensis*	265.1 - 259.9 Ma Permian
Heteropecten vanvleeti species	Animalia : Mollusca : Bivalvia : Pectinida : Heteropectinidae : Heteropecten : *Heteropecten vanvleeti*	259.9 - 252.17 Ma Permian
Cyrtorostra varicostata species	Animalia : Mollusca : Bivalvia : Pectinida : Cyrtorostridae : Cyrtorostra : *Cyrtorostra varicostata*	259.9 - 252.17 Ma Permian
Lepismatina mansfieldi species	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Lepismatinidae : Lepismatina : *Lepismatina mansfieldi*	252.17 - 251.3 Ma Phanerozoic
Eumorphotis multiformis species	Animalia : Mollusca : Bivalvia : Pectinida : Heteropectinidae : Eumorphotis : *Eumorphotis multiformis*	252.17 - 251.3 Ma Phanerozoic
Unionites fassaensis species	Animalia : Mollusca : Bivalvia : Trigoniida : Trigonodidae : Unionites : *Unionites fassaensis*	252.17 - 251.3 Ma Phanerozoic
Austrotindaria canalensis species	Animalia : Mollusca : Bivalvia : Nuculanida : Neilonellidae : Austrotindaria : *Austrotindaria canalensis*	252.17 - 247.2 Ma Phanerozoic
Aviculopecten kaibabensis species	Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : Aviculopecten : *Aviculopecten kaibabensis*	259.9 - 252.17 Ma Permian
Lingularia borealis species	Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : Lingularia : *Lingularia borealis*	252.17 - 251.3 Ma Phanerozoic
Myalinella meeki species	Animalia : Mollusca : Bivalvia : Myalinida : Myalinidae : Myalina : *Myalinella meeki*	259.9 - 252.17 Ma Permian
Gervilleia ussurica species	Animalia : Mollusca : Bivalvia : Ostreida : Bakevelliidae : Gervillia : *Gervilleia ussurica*	252.17 - 251.3 Ma Phanerozoic
Eumorphotis amplicostata species	Animalia : Mollusca : Bivalvia : Pectinida : Etheripectinidae : Eumorphotis : *Eumorphotis amplicostata*	252.17 - 251.3 Ma Phanerozoic
Claraia mulleri species	Animalia : Mollusca : Bivalvia : Pectinida : Pterinopectinidae : Claraia : *Claraia mulleri*	252.17 - 251.3 Ma Phanerozoic
Prographularia groenlandica species	Animalia : Mollusca : Cephalopoda : Aulacocerida : Aulacoceratidae : Prographularia : *Prographularia groenlandica*	259.9 - 252.17 Ma Permian
Bittnerithyris margaritovi species	Animalia : Brachiopoda : Rhynchonellata : Terebratulida : Dielasmatidae : Bittnerithyris : *Bittnerithyris margaritovi*	252.17 - 251.3 Ma Phanerozoic

Fossil Localities

Click to show 9 fossil localities

Localities in this Region

USA

Idaho
- Clark County
  - Island Park Area
    - East Dry Creek Phosphate Mine (MRDS - 10071888)
Montana
- Beaverhead County
- Madison County
  - Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District)
    - Madden Group
    - Nellie Bly
  - Alpine Creek Phosphate Occurrence (Alpine Creek Phosphorus)
  - Barnett Basin Placer
  - Basin Creek Placer
  - Black Butte Area Prospect
  - Black Butte Occurrence
  - Black Butte Placer
  - Burnt Creek Placer
  - Chief Joe Lode Prospect
  - Cottonwood Basin Placer (Maverick Basin Placer)
  - Cottonwood Creek Placer
  - East Fork Ruby River Placer
  - Fault Lake Placer
  - French Gulch Placer

Other Regions, Features and Areas that Intersect

North AmericaContinent

Rocky MountainsMountain Range

North America PlateTectonic Plate

Northern Rocky MountainsWide Rift
Wyoming DomainDomain

USA

Western Phosphate fieldMineral Province

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

[1]Coleman, J.L., Jr., and Cahan, S.M., 2012, Preliminary catalog of the sedimentary basins of the United States: U.S. Geological Survey Open-File Report 2012–1111, 27 p. (plus 4 figures and 1 table available as separate files) Available online at http://pubs.usgs.gov/of/2012/1111/.

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Fossils

Localities in this Region

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References

Ruby Basin, North America Plate i
Regional Level Types
Ruby Basin Basin
North America Plate Tectonic Plate