D 821 CO. Meiklejohn mud-mound flanking bed: Fennian, Nevada
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Rhynchonellata
- Orthida
- Anomalorthidae
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Rhynchonellata
- Orthida
- Orthidiellidae
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Rhynchonellata
- Orthida
- Orthidae
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| see common names |
| Country: | United States |
State/province: | Nevada |
County: | Nye |
| Coordinates: |
36.9° North, 116.7° West (view map) |
| Paleocoordinates: | 19.0° North, 122.3° West (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | small collection |
| Period: | Ordovician |
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10 m.y. bin: | Ordovician 2 |
| Key time interval: | Fennian |
| Age range of interval: | 471.1 - 468.4 m.y. ago |
| Geological group: | Pogonip |
Formation: | Antelope Valley |
| Stratigraphic resolution: | bed |
| Stratigraphy comments: Lower Antelope Valley Limestone, 315 ft above the base of the mud-mound, 383 ft above base of the formation, Orthidiella Zone, Early Whiterockian |
| Primary lithology: | lithified "limestone" |
| Lithology description: flanking bed of the mud-mound |
| Environment: | perireef or subreef |
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USGS |
| Also known as: | USGS D 821 CO |
| Database number: | 80075 |
| Authorizer: | W. Kiessling |
Enterer: | U. Merkel |
| Modifier: | J. Marcot |
Research group: | marine invertebrate |
| Created: | 2008-04-02 05:03:40 |
Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public |
Released: | 2008-04-02 05:03:40 |
| Creative Commons license: | CC0 |
| 25409. | | R. J. Ross, Jr. 1972. Fossils from the Ordovician bioherm at Meiklejohn Peak, Nevada. United States Geological Survey Professional Paper 685 [S. Finnegan/S. Finnegan/U. Merkel] |