P-9, Providence Mountains: Dyeran, California
collected by J. C. Hazzard 1930
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Redlichiida
- Biceratopsidae
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Mesonacis insolens
Resser 1928
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Trilobita
- Redlichiida
- Olenellidae
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Paedeumias clarki
(Resser 1928)
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Mesonacis sp.
Walcott 1885
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| see common names | |||||||
Geography
| Country: | United States | State/province: | California | County: | San Bernardino |
| Coordinates: | 35.0° North, 115.5° West (view map) | ||||
| Paleocoordinates: | 2.2° South, 97.9° West |
Time
| Period: | Cambrian | Epoch: | Series 2 |
| 10 m.y. bin: | Cambrian 2-3 | ||
| Key time interval: | Dyeran | ||
| Age range of interval: | 514.8 - 511 m.y. ago |
Stratigraphy
| Formation: | Latham |
Lithology and environment
| Primary lithology: | gray,green lithified "shale" | ||
| Secondary lithology: | lithified quartzite | ||
| Includes fossils? | Y | ||
| Lithology description: Fauna obtained from greenish gray shale at top of quartzite exposed along trail from camp of the Tough Nut mine to mine workings. | |||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,cast,mold/impression |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | general faunal/floral analysis | ||
| Collectors: | J. C. Hazzard | Collection dates: | Summer, 1930 |
| Collection method comments: In the course of the investigation fossils were collected from the Lower and Middle Cambrian rocks in the area immediately north of Cadiz, California, and from the Lower Cambrian formations exposed at the west base of the Providence Mountains east of Kelso, about 30 miles north of Cadiz. These collections were studied by Dr. Colin Crickmay, University of Illinois, who has written the report on the paleontology. | |||
Metadata
| Database number: | 219698 | ||
| Authorizer: | J. Marcot | Enterer: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2021-04-18 15:34:47 | Last modified: | 2021-04-18 15:34:47 |
| Access level: | the public | Released: | 2021-04-18 15:34:47 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 76495. | J. C. Hazzard and C. H. Crickmay. 1933. Notes on the Cambrian rocks of the eastern Mohave Desert, California . University of California Publications Bulletin of the Department of Geological Sciences 23(2):57-80 [J. Marcot/J. Marcot] |