North Muddy Mountains 10.5 m, Moenkopi Formation, Virgin Limestone Member: Spathian, Nevada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Arenicolites sp.
Salter 1857
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Planolites sp.
Nicholson 1873
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Lockeia sp.
James 1879
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Asteriacitidae
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Asteriacites lumbricalis
Seilacher 1953
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see common names |
Geography
Country: | United States | State/province: | Nevada |
Coordinates: | 36.5° North, 114.6° West (view map) | ||
Paleocoordinates: | 7.9° North, 40.4° West | ||
Basis of coordinate: | stated in text | ||
Geographic resolution: | small collection |
Time
Period: | Triassic | Epoch: | Early Triassic |
Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
Key time interval: | Spathian | ||
Age range of interval: | 248.9 - 247.2 m.y. ago |
Stratigraphy
Formation: | Moenkopi | Member: | Virgin Limestone | ||
Local section: | North Muddy Mountains | Local bed: | 10.5 m | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: lower Virgin Limestone Member |
Lithology and environment
Primary lithology: | lithified siltstone |
Secondary lithology: | lithified sandstone |
Lithology description: laminated muddy siltstones with thin fine- or very fine-grained sandstones | |
Environment: | shallow subtidal indet. |
Geology comments: distal storm beds |
Taphonomy
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | paleoecologic analysis |
Metadata
Database number: | 61818 | ||
Authorizer: | W. Kiessling | Enterer: | U. Merkel | Research group: | marine invertebrate |
Created: | 2006-07-03 06:45:22 | Last modified: | 2006-07-03 09:45:22 |
Access level: | the public | Released: | 2006-07-03 06:45:20 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
17825. | R. J. Twitchett, J. M. Feinberg, D. D. O'Connor, W. Alvarez, and L. B. McCollum. 2005. Early Triassic Ophiuroids: their paleoecology, taphonomy and distribution. Palaios 20:213-223 [W. Kiessling/U. Merkel] |