Bighorn Cave - Locus A, Level IV: Holocene, Arizona
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Lagomorpha
- Leporidae
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Sylvilagus sp.
Gray 1867
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Mammalia
- Rodentia
- Cricetidae
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Neotoma sp.
Say and Ord 1825
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Mammalia
- Rodentia
- Heteromyidae
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Heteromyidae indet.
Gray 1868
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| "Perognathus / Chaetodipus sp." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Arizona | County: | Mohave |
| Coordinates: | 35.2° North, 114.4° West (view map) | ||||
| Paleocoordinates: | 35.2° North, 114.4° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Quaternary | Epoch: | Holocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Holocene | ||
| Age range of interval: | 0.01170 - 0.00000 m.y. ago |
Stratigraphy
| Stratigraphy comments: Fauna recovered from cave fill sediments; details of stratigraphy were provided by Geib and Keller (2002); Level (Component) IV associated with radiocarbon dates spanning 510 yr B.P. and 310 yr B.P. (Geib and Keller, 2002). |
Lithology and environment
| Lithology description: Cave is formed within a "massive volcanic breccia" (Geib (2002:7); see also Geib and Keller (2002) | |
| Environment: | cave |
Taphonomy
| Modes of preservation: | body |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | abundant |
| Articulated whole bodies: | none |
| Associated major elements: | some |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
| Temporal resolution: | time-averaged |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,field collection | ||
| Minimum sieve size: | 3.175 | Maximum sieve size: | 6.350 |
| Reason for describing collection: | taxonomic analysis | ||
| Collection method comments: Screen mesh size reported by Geib and Keller (2002); specimens are curated in the Laboratory of Quaternary Paleontology, Northern Arizona University, Flagstaff, Arizona (NAUQSP) | |||
Metadata
| Also known as: | Locus A = "lower shelter and toe of talus cone"; Level IV = "Component IV" | ||
| Database number: | 63711 | ||
| Authorizer: | C. Bell | Enterer: | C. Bell |
| Modifier: | C. Bell | Research group: | vertebrate |
| Created: | 2006-08-18 15:11:47 | Last modified: | 2006-08-18 19:48:04 |
| Access level: | the public | Released: | 2006-08-18 15:11:47 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 18308. | C. N. Jass. 2004. Mid to late Holocene mammals from Bighorn Cave, Arizona. The Southwestern Naturalist 49(1):75-82 [C. Bell/C. Bell] |