Sappington Black Shale, Sappington Fm. (unit C): Famennian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Leioestheria sp.
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Lingulata
- Lingulida
- Lingulidae
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Lingula sp.
Bruguiére 1797
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea sp.
d'Orbigny 1847
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Cephalopoda
- Goniatitida
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Goniatitida indet.
Hyatt 1884
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| goniatites | ||||||||||
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Ophiuroidea
- Oegophiurida
- Protasteridae
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Furcaster sp.
Stürtz 1886
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Paleonisciformes
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Paleonisciformes indet.
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| fish (scales and bones)- paleoniscid | ||||||||||
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Conodontophorida
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Conodontophorida indet.
Eichenberg 1930
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| conodonts- polygnathids and hindeodellids | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana |
| Coordinates: | 46.0° North, 112.5° West (view map) | ||
| Paleocoordinates: | 13.6° South, 46.7° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | basin |
Time
| Period: | Devonian | Epoch: | Late/Upper Devonian |
| Stage: | Famennian | 10 m.y. bin: | Devonian 5 |
| Key time interval: | Famennian | ||
| Age range of interval: | 372.20000 - 358.90000 m.y. ago |
Stratigraphy
| Formation: | Sappington | ||||
| Stratigraphy comments: unit C local bed |
Lithology and environment
| Primary lithology: | black "shale" | ||
| Environment: | lagoonal | Tectonic setting: | passive margin |
| Geology comments: "glossy black shale; fissile. lagoonal, still water, poor circulation, shallow, very nearshore, 'marshlike,' reducing conditions. shelf (cratonic) BA1? could be BA6" | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:"R.C. Gutschick, L.J. Suttner, M.J. Switek, 1962. Biostrat of transitional Dev-Miss Sappington Fm. of SW Montana. Billings Geol. Soc. 13th Ann. Field Conf. Guidebook pp79-89. R.C. Gutschick, MiMclane, and J. Rodriguez, 1976. Summary of late Dev-early Miss biostrat framework in western Montana. Montana Bur. Mines Geol. Spec. Publ. 73, pp91-124" | |
Metadata
| Database number: | 641 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Collections that are a subset of this one: | |||
| Created: | 1999-04-06 16:46:42 | Last modified: | 2017-01-07 16:28:20 |
| Access level: | the public | Released: | 1999-04-06 16:46:42 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 61148. | R. C. Gutschick, M. Mclane, and J. Rodriguez. 1976. Summary of late Devonian early Mississippian biostratigraphy framework in western Montana. Montana Bureau of Mines and Geology Special Publications 73:91-124 [M. Uhen/J. Ju/M. Uhen] |
Secondary references:
| 61147 | R. C. Gutschick, L. J. Suttner, and M. J. Switek. 1962. Biostratigraphy of transitional Devonian-Mississippian Sappington Formation of Southwest Montana. Billings Geological Society: 13th Annual Field Conference Guidebook 79-89 [M. Uhen/J. Ju/M. Uhen] |