White Mesa Mine Fissure 2: Late/Upper Pleistocene, New Mexico
collected by D. Pino, L. Pino, G. S. Morgan, L. F. Rinehart 2005
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Camelidae
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Camelops hesternus
(Leidy 1873)
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Mammalia
- Perissodactyla
- Equidae
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Equus cf. francisci
Hay 1915
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| see common names | |||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Sandoval |
| Coordinates: | 35.5° North, 106.8° West (view map) | ||||
| Paleocoordinates: | 35.5° North, 106.8° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | small collection |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Late/Upper Pleistocene | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late/Upper Pleistocene | ||
| Age range of interval: | 0.12900 - 0.01170 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: a Camelops metacarpal from Fissure 1 is dated at "12,910 +/- 60 14C yrs B.P." (AMS on collagen) | |||||
Lithology and environment
| Primary lithology: | gypsiferous poorly lithified silty sandstone |
| Lithology description: "poorly brecciated fragments of gypsum in a matrix of poorly consolidated, silty, fine- to medium-grained gyspum sandstone with sparse quartz grains... Some stratification is evident, with beds that are more or less sandy showing lateral continuity" | |
| Environment: | fissure fill |
| Geology comments: "fissure-fill" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | excellent |
| Articulated whole bodies: | some |
| Associated major elements: | some |
| Disassociated major elements: | none |
| Disassociated minor elements: | none |
| Size sorting: | very poor |
| Fragmentation: | none |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | salvage,selective quarrying,field collection | ||
| Reason for describing collection: | taphonomic analysis | ||
| Museum repositories: | NMMNH | ||
| Collectors: | D. Pino, L. Pino, G. S. Morgan, L. F. Rinehart | Collection dates: | 2005 |
| Collection method comments: fossils were discovered "During the removal of gypsum with heavy machinery" and "plaster jacketed" for collection | |||
Metadata
| Also known as: | NMMNH L-6112 | ||
| Database number: | 79654 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2008-03-17 10:01:33 | Last modified: | 2008-03-17 12:01:33 |
| Access level: | the public | Released: | 2008-03-17 10:01:32 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 26756. | G. S. Morgan and L. F. Rinehart. 2007. Late Pleistocene (Rancholabrean) mammals from fissure deposits in the Jurassic Todilto Formation, White Mesa mine, Sandoval County, north-central New Mexico. New Mexico Geology 29(2):39-51 [J. Alroy/J. Alroy] |