Limestone Interbed in Shales Near Sibara: Silurian, Morocco
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Orthocerida
- Orthoceratidae
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Orthoceras sp.
Breynius 1832
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Bivalvia
- Cyrtodontida
- Cardiolidae
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Cardiola interrupta
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| see common names | |||||||
Geography
| Country: | Morocco |
| Coordinates: | 34.9° North, 6.3° West (view map) |
| Paleocoordinates: | 73.5° South, 25.4° East |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | local area |
Time
| Period: | Silurian |
| 10 m.y. bin: | Silurian 1-2 |
| Key time interval: | Silurian |
| Age range of interval: | 443.80000 - 419.20000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: No specific age given, but implication seems to be Silurian. | |||||
Lithology and environment
| Primary lithology: | "shale" |
| Secondary lithology: | "limestone" |
| Includes fossils? | Y |
| Lithology description: "limestone interbed in shales" | |
| Environment: | marine indet. |
| Geology comments: "The Llandovery and Ludlow age beds in the Pays de Sokhrats and nearby areas are primarily shale. The post-Ludlow age strata are predominantly quartzites and yield a fauna suggestive of nearshore conditions." | |
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 27406 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-12-05 14:20:28 | Last modified: | 2006-09-13 14:01:03 |
| Access level: | the public | Released: | 2002-12-05 14:20:28 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7455. | W. B. N. Berry and A. J. Boucot. 1973. Correlation of the African Silurian rocks. Geological Society of America Special Paper 147:1-83 [M. Foote/M. Foote/M. Foote] |