Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
---|
Bed: D2707CO | Ross, Jr. R. J., Nolan T. B., et al (1980) | Hanson Creek - Middle | Listed as Middle Ashgillian; Middle Limestone and Dolomite | "limestone" | 449.5 - 443.7 Ma Paleozoic |
Bed: D2713CO | Ross, Jr. R. J., Nolan T. B., et al (1980) | Hanson Creek - Middle | Listed as Middle Ashgillian; Middle Limestone and Dolomite | "limestone" | 449.5 - 443.7 Ma Paleozoic |
Bed: D2741CO | Ross, Jr. R. J., Nolan T. B., et al (1980) | Hanson Creek - Middle | Listed as Middle Ashgillian. Middle Limestone and Dolomite | "limestone" | 449.5 - 443.7 Ma Paleozoic |
Hanson Creek Formation, Bed: D2771CO | Ross, Jr. R. J., Nolan T. B., et al (1980) | Hanson Creek - Middle | Middle Limestone and Dolomite; Listed as Middle Ashgillian | "limestone" | 449.5 - 443.7 Ma Paleozoic |
Hanson Creek Formation, Martin Ridge | Merriam C. W. (1963) | Hanson Creek | Listed as Middle Ashgillian | "limestone" | 449.5 - 443.7 Ma Paleozoic |
Ninemile Shale, Antelope Valley | Sprinkle J., Guensburg T. E. (1995) | Ninemile Shale | Listed as Lower Arenig; local series zone I / zone J | "shale" | 478.6 - 471.8 Ma Early/Lower Ordovician |
Ninemile Shale Formation, Antelope Valley | Merriam C. W. (1963) | Ninemile Shale | Listed as Lower Arenig; zone G2 / zone J; Zone G2 | "limestone" | 485.4 - 471.8 Ma Paleozoic |
Nopah Formation, Sample 2294-CO, Member A | Palmer A. R. (1960) | Nopah - Dunderberg Shale A | Listed as upper half of Dunderbergia zone | "shale" | 501 - 485.4 Ma Cambrian |
Nopah Formation, Sample 2295-CO, Member A | Palmer A. R. (1960) | Nopah - Dunderberg Shale A | Listed as upper half of Dunderbergia zone | "shale" | 501 - 485.4 Ma Cambrian |
Nopah Formation, Sample 2296-CO, Member B | Palmer A. R. (1960) | Nopah - Dunderberg Shale B | Listed as upper half of Dunderbergia zone | "limestone" | 501 - 485.4 Ma Cambrian |
Nopah Formation, Sample 2300-CO, Member B | Palmer A. R. (1960) | Nopah - Dunderberg Shale B | Listed as upper half of Dunderbergia zone | "limestone" | 501 - 485.4 Ma Cambrian |
Nopah Formation, Sample 2303-CO, Member D | Palmer A. R. (1960) | Nopah - Dunderberg Shale D | Listed as lower half of Elvinia zone | "limestone" | 501 - 485.4 Ma Cambrian |
Nopah Formation, Sample 953-CO, Member C | Palmer A. R. (1960) | Nopah - Dunderberg Shale C | Listed as upper half of Dunderbergia zone | "limestone" | 501 - 485.4 Ma Cambrian |
Nopah Formation, Sample 955-CO, Member C | Palmer A. R. (1960) | Nopah - Dunderberg Shale C | Listed as upper half of Dunderbergia zone | "shale" | 501 - 485.4 Ma Cambrian |