Early Pennsylvanian Fossils from Ely Limestone San Francisco Mnts, Western Utah: Mississippian, Utah
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata
- Orthotetida
- Orthotetidae
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Orthotetes sp.
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Might also be Derbya sp. | ||||||||||
Strophomenata
- Productida
- Echinoconchidae
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Juresania ? sp.
Fredericks 1928
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Strophomenata
- Productida
- Productidae
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Dictyoclostus sp.
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Dictyoclostus americanus
Dunbar and Condra 1932
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recombined as Reticulatia americana | ||||||||||
Strophomenata
- Productida
- Linoproductidae
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Linoproductus ? sp.
(Chao 1927)
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Rhynchonellata
- Spiriferida
- Spiriferidae
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Spirifer sp.
Sowerby 1818
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Spirifer opimus
Hall 1858
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Spirifer opimus
Hall 1858
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Spirifer occidentalis
Girty 1927
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replaced by Anthracospirifer occiduus | ||||||||||
Rhynchonellata
- Terebratulida
- Dielasmatidae
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Dielasma ? sp.
King 1856
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Rhynchonellata
- Spiriferinida
- Punctospiriferidae
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Punctospirifer campestris
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Rhynchonellata
- Athyridida
- Athyrididae
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Composita sp.
Brown 1849
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Composita ovata
Mather 1915
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Composita ovata
Mather 1915
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Stenolaemata
- Trepostomida
- Stenoporidae
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Tabulipora carbonaria
(Worthen 1875)
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Anthozoa
- Stauriida
- Hapsiphyllidae
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Triplophyllites sp.
Easton 1944
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synonym of Amplexizaphrentis | ||||||||||
Anthozoa
- Stauriida
- Cyathopsidae
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Caninia sp.
Michelin 1840
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see common names |
Geography
Country: | United States | State/province: | Utah |
Coordinates: | 38.5° North, 113.3° West (view map) | ||
Paleocoordinates: | 3.3° South, 49.0° West | ||
Geographic resolution: | outcrop |
Time
Period: | Carboniferous | Epoch: | Mississippian |
10 m.y. bin: | Carboniferous 1-3 | ||
*Period: | Early/Lower Carboniferous | ||
Key time interval: | Mississippian | ||
Age range of interval: | 358.90000 - 323.20000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Stratigraphy comments: The Ely Limestone is overlain unconformably by Tertiary volcanic rocks and is overthrust by a small sliver of Mississipian rocks north of the highway. |
Lithology and environment
Primary lithology: | "limestone" |
Secondary lithology: | pebbly conglomeratic dolomite |
Lithology description: The Ely Limestone is chiefly limestone and secondary dolomite, with interbedded quartzite and chert-pebble conglomerate. On the south side of the highway, the lower part of the section is gray, medium-bedded dolomite with nodular chert. There is a 20-30 foot section that contains a 1-4 foot ledge of fossiliferous chert-pebble conglomerate. Above this, is a fossiliferous, light gray, thin to medium bedded dolomite which weathers dark brown. In places, the bedding is almost laminated with with white chert layers. This is overlain by a thrust zone, followed by a light gray, finely crystalline, cherty, fossiliferous, massive-weathering limestone. The quartzite is absent in the section on the south side of the highway. The north side of the highway contains all of that previously described, but above the dolomites is a dark brown very well-indurated massive-bedded quartzite. The quartzite is followed by a gray, finely crystalline, medium-to thick-bedded fossiliferous limestone. | |
Geology comments: This section most closely resembles the Pennsylvanian Ely Limestone of Nevada. |
Taphonomy
Collection methods and comments
Taxonomic list comments:Also included in the list are crinoid ossicles and a possible gastropod fragment. |
Metadata
Database number: | 12344 | ||
Authorizer: | T. Olszewski | Enterer: | M. Gibson | Research group: | marine invertebrate |
Created: | 2001-10-28 16:18:51 | Last modified: | 2001-10-28 18:18:51 |
Access level: | the public | Released: | 2001-10-28 16:18:51 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
4234. | E. H. E. East. 1965. Structure and Stratigraphy of San Francisco Mountains, Western Utah. Bulletin of the American Association of Petroleum Geologists 50(5):901-920 [T. Olszewski/M. Gibson] |