White Mesa Mine Fissure 3: 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
Mammalia
- Cervidae
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Odocoileus hemionus
(Rafinesque 1817)
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(24 measurements) | ||||||||||
Mammalia
- Rodentia
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Rodentia indet.
Bowdich 1821
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small | ||||||||||
Mammalia
- Rodentia
- Geomyidae
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Thomomys talpoides
(Richardson 1828)
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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,mesofossils |
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: | bulk,salvage,selective quarrying,sieve,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; "Besides removing all bones... we also collected a small samplg... (several kilograms) for screenwashing" that yielded one indeterminate rodent fossil |
Metadata
Also known as: | NMMNH L-6112 | ||
Database number: | 79655 | ||
Authorizer: | J. Alroy | Enterer: | J. Alroy |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 2008-03-17 10:05:31 | Last modified: | 2010-01-14 18:41:52 |
Access level: | the public | Released: | 2008-03-17 10:05:31 |
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] |