KG. 1746 - Fossil Bluff Fm, Alexander Island: Late/Upper Albian, Antarctica
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Ancyloceratidae
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? Tropaeum sp.
Sowerby 1837
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Cephalopoda
- Belemnitida
- Dimitobelidae
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Dimitobelus sp.
Whitehouse 1925
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Bivalvia
- Myalinida
- Inoceramidae
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? Birostrina cf. concentrica
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2 specimens | ||||||
| see common names | |||||||
Geography
| Country: | Antarctica |
| Coordinates: | 79.8° South, 55.0° West (view map) |
| Paleocoordinates: | 79.8° South, 55.0° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Late/Upper Albian | ||
| Age range of interval: | 106.20000 - 100.50000 m.y. ago |
Stratigraphy
| Formation: | Fossil Bluff | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: Fossil Bluff Formation. AGE: Albian. Justification not stated, presumably based on Belemnite and Ammonoid index taxa. STRATIGRAPHIC POSITION: Collection lies within upper c. 1.2 km of the approximately 4 km thick formation. | |||||
Lithology and environment
| Primary lithology: | lithified mudstone | ||
| Includes fossils? | Y | ||
| Lithology description: SPECIFIC LITHOLOGY: Unknown lithology, probably mudstone. Formation includes "mainly mudstones, tuffaceous sandstoones, and conglomerates". LITHIFICATION: Lithified, based on figured specimens, many of which remain encased in matrix. | |||
| Environment: | marine indet. | Tectonic setting: | forearc basin |
| Geology comments: TECTONIC SETTING: "from forearc environment". | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | selective quarrying,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | BAS |
| Collection method comments: COLLECTOR: Members of British Antarctic Survey. REPOSITORY: British Antarctic Survey, Cambridge. Some material reposited in BMNH, GSSA (Geological Survey of S Australia), HM (Hunterian Museum, Glascow), MUGD (Melbourne University Geology Dept.), NMV (National Museum of Victoria), SAM (South Australian Museum), and SM (Sedgewick Museum, Cambridge). | |
| Taxonomic list comments:COVERAGE: Includes belemnites, ammonites, and bivalves, despite publication focus towards belemnitida. NOMENCLATURE: Authoritative publication, utilising species-level designations. | |
Metadata
| Database number: | 64193 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2006-09-04 01:51:43 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2006-09-04 01:51:42 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 18533. | P. Doyle. 1987. The Cretaceous Dimitobelidae (Belemnitida) of the Antarctic Peninsula region. Palaeontology 30(1):147-177 [A. Miller/A. Hendy] |