Woodring Loc. 34 - Harbor Blvd [Timms Point Silt]: Middle Pleistocene, California
collected by W. Woodring 1930
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Pandorida
- Pandoridae
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Pandora grandis
(Dall 1877)
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synonym of Pandora (Pandorella) wardiana | |||||||
see common names |
Geography
Country: | United States | State/province: | California | County: | Los Angeles |
Coordinates: | 33.7° North, 118.3° West (view map) | ||||
Paleocoordinates: | 33.7° North, 118.3° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Quaternary | Epoch: | Pleistocene |
Stage: | Chibanian | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Middle Pleistocene | ||
Age range of interval: | 0.77400 - 0.12900 m.y. ago |
Stratigraphy
Formation: | Timms Point Silt | ||||
Regional section: | Timms Point Silt | Regional bed: | 1 | ||
Regional order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: LITHOSTRATIGRAPHY: From the Timms Point Silt, which is locally overlain by the San Pedro Sand; it is possible that this is infact from the San Pedro Sand. AGE: Lower Pleistocene in Woodring et al. (1946) and Valentine PhD, but is now regarded as Middle Pleistocene [A. Hendy]. STRATIGRAPHIC POSITION: From Unit 1 (?) of Timms Point Silt. |
Lithology and environment
Primary lithology: | poorly lithified siltstone |
Includes fossils? | Y |
Lithology description: SPECIFIC LITHOLOGY: Not listed, but generally a poorly consolidated silt. LITHIFICATION: Not stated, but typically poorly lithified. | |
Environment: | offshore |
Geology comments: ENVIRONMENT: Typically containing a offshore shelf fauna. |
Taphonomy
Modes of preservation: | body,original aragonite,original calcite |
Degree of concentration: | -lag |
Size of fossils: | macrofossils,mesofossils |
Temporal resolution: | time-averaged |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection excludes: | some genera | ||
Collection methods: | surface (float),surface (in situ) | ||
Reason for describing collection: | paleoecologic analysis | ||
Museum repositories: | USGS,USNM | ||
Collectors: | W. Woodring | Collection dates: | 1930 |
Collection method comments: COLLECTOR: W. Woodring, 1930. REPOSITORY: USGS, now Smithsonian. | |||
Taxonomic list comments:COVERAGE: Limited to molluscs listed or figured in text. NOMENCLATURE: Updated to 1960s era, so somewhat antiquated but standardized and typically resolved to species resolution. |
Metadata
Also known as: | USGS 12205; W6-30 | ||
Database number: | 223307 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | A. Hendy | Research group: | marine invertebrate |
Created: | 2021-11-08 00:12:38 | Last modified: | 2021-11-13 23:31:24 |
Access level: | authorizer only | Released: | 2022-05-08 00:12:38 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
41105. | W. P. Woodring, M. N. Bramlette, and W. S. W. Kew. 1946. Geology and Paleontology of Palos Verdes Hills, California. US Geological Survey Professional Paper 207:1-145 [M. Uhen/M. Shalap/M. Uhen] |
Secondary references:
78337 | A. Hendy. 2021. A review of the Quaternary Mollusca of the Palos Verdes Peninsula. [A. Hendy/A. Hendy] |