PGD-6 (149.0 m): Early/Lower Miocene, India
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Viviparidae
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Viviparus cf. bengalensis
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C category | ||||||
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Gastropoda
- Naticidae
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Natica sp.
Scopoli 1777
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R category | ||||||
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Bivalvia
- Arcida
- Arcidae
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Barbatia cf. kayalensis
Dey 1961
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R category | ||||||
| see common names | |||||||
Geography
| Country: | India |
| Coordinates: | 23.5° North, 87.5° East (view map) |
| Paleocoordinates: | 14.7° North, 85.3° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | small collection |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Early/Lower Miocene | ||
| Age range of interval: | 23.03000 - 15.98000 m.y. ago |
Stratigraphy
| Local section: | PGD-6 | Local bed: | 149.0 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From unknown lithostratigraphic unit, unconformably overlying Pre-Cambrian basement rocks. THICKNESS: From horizon within bore of at least 225.5 m thickness. AGE: Early Miocene STRATIGRAPHIC POSITION: From depth of 149.0 m. | |||||
Lithology and environment
| Primary lithology: | gray,white poorly lithified argillaceous mudstone |
| Secondary lithology: | poorly lithified marl |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Silvery grey mudstone and marl. LITHIFICATION: Poorly on the basis of preparation description. | |
| Environment: | transition zone/lower shoreface |
| Geology comments: ENVIRONMENT: Near shore shallow marine environment. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | core,field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: COLLECTORS: Presumably the authors, S. Bera, M, Manerjee, and T. Lahiri. REPOSITORY: Not stated in text, but possibly the Palaeobotony and Palynology Laboratory, Department of Botany, University of Calcutta. | |
| Taxonomic list comments:COVERAGE: Limited lists, but probably exhaustive for gastropods and bivalves given material available. NOMENCLATURE: Taxa poorly constrained, most identified to genus resolution. | |
Metadata
| Database number: | 72171 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2007-05-26 14:41:13 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | authorizer only | Released: | 2008-05-26 14:41:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24409. | S. Bera, M. Banerjee, and T. C. Lahiri. 1996. Tertiary molluscs from the western margin of Bengal Basin, India, with special reference to biostratigraphy and paleoenvironment. Journal of the Paleontological Society of India 41:145-159 [A. Hendy/A. Hendy] |