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Second Value Dolomite - Upham Dolomite, USA
| Formation | Second Value Dolomite |
|---|---|
| Member | Upham Dolomite |
| Age: | 461 - 450 Ma Ordovician |
| Interval | Edenian |
| Tectonic Setting | Passive margin |
| Lithology | dolomite |
| Number of Collections | 9 |
| Number of Occurrences | 20 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Lone Mountain - Upham Dolomite Mbr. | Grant County, New Mexico, USA | Second Value Dolomite - Upham Dolomite |
| Cooks Range - Upham Dolomite Mbr. | Luna County, New Mexico, USA | Second Value Dolomite - Upham Dolomite |
| Ash Canyon - Upham Dolomite Mbr. | Doña Ana County, New Mexico, USA | Second Value Dolomite - Upham Dolomite |
| Alamo Canyon - Upham Dolomite Mbr. | Otero County, New Mexico, USA | Second Value Dolomite - Upham Dolomite |
| Mescal Canyon - Upham Dolomite Mbr. | Hidalgo County, New Mexico, USA | Second Value Dolomite - Upham Dolomite |
| Hitt Canyon - Upham Dolomite Mbr. | El Paso County, Texas, USA | Second Value Dolomite - Upham Dolomite |
| Sugarloaf Mountain - Upham Dolomite Mbr. | El Paso County, Texas, USA | Second Value Dolomite - Upham Dolomite |
| Baylor Mountains SE - Upham Dolomite Mbr. | Culberson County, Texas, USA | Second Value Dolomite - Upham Dolomite |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Aleman | 452 - 450 Ma Late/Upper Ordovician | dolomite | 4 |
| Second Value | 461 - 450 Ma Ordovician | limestone, sandstone/"limestone" | 2 |
| Upham - Second Value | 461 - 450 Ma Ordovician | dolomite/"limestone" | 3 |
| Montoya - Aleman | 452 - 450 Ma Late/Upper Ordovician | dolomite, "limestone" | 87 |
| Montoya - Cutter | 450 - 444 Ma Paleozoic | dolomite, "limestone" | 32 |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Rugosasubclass | Animalia : Cnidaria : Anthozoa : Rugosa | 460.9 - 449.5 Ma Ordovician |
| Neotryplasma sp. genus | Animalia : Cnidaria : Anthozoa : Tryplasmatidae : Neotryplasma | 460.9 - 449.5 Ma Ordovician |
| Bighornia sp. genus | Animalia : Cnidaria : Anthozoa : Streptelasmatidae : Bighornia | 460.9 - 449.5 Ma Ordovician |
| Grewingkia robusta species | Animalia : Cnidaria : Anthozoa : Streptelasmatidae : Grewingkia : Grewingkia robusta | 460.9 - 449.5 Ma Ordovician |
| Salvadorea sp. genus | Animalia : Cnidaria : Anthozoa : Streptelasmatidae : Salvadorea | 460.9 - 449.5 Ma Ordovician |
| Streptelasma divaricans species | Animalia : Cnidaria : Anthozoa : Stauriida : Streptelasmatidae : Streptelasma : Streptelasma divaricans | 460.9 - 449.5 Ma Ordovician |
 Actinoceras incantatumspecies | Animalia : Mollusca : Cephalopoda : Actinoceratidae : Actinoceras : Actinoceras incantatum | 460.9 - 449.5 Ma Ordovician |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
