NW1 - Gable Island, Beagle Channel, Tierra del Fuego: Holocene, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Paraeuthria plumbea
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U category | |||||||||
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Gastropoda
- Patellida
- Nacellidae
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Patinigera deaurata
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R category | |||||||||
| spelled with current rank as Nacella (Patinigera) | ||||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Adelomelon ancilla
(Lightfoot 1786)
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R category | |||||||||
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Gastropoda
- Neogastropoda
- Muricidae
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Trophon geversianus
(Pallas 1774)
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U category | |||||||||
| recombined as Trophon geversianum | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Tawera gayi
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A category | |||||||||
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Eurhomalea exalbida
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R category | |||||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Hiatella solida
Sowerby 1834
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U category | |||||||||
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Bivalvia
- Mytilida
- Mytilidae
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Mytilus edulis
Linnaeus 1758
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C category | |||||||||
| Subspecies: M. edulis chilensis | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina |
| Coordinates: | 55.9° South, 67.6° West (view map) |
| Paleocoordinates: | 55.9° South, 67.6° West |
| Basis of coordinate: | estimated from map |
| Altitude: | 5 meters |
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Holocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Holocene | ||
| Age range of interval: | 0.01170 - 0.00000 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From mid-Holocene marine deposits. Stratigraphic relatonships unknown. THICKNESS: From several beds within upper 200 cm of sediment. AGE: Mid-Holocene. One reported C-14 date of 4790 +/- years before present. STRATIGRAPHIC POSITION: From several beds with unit. | |||||
Lithology and environment
| Primary lithology: | pebbly unlithified sandstone |
| Secondary lithology: | unlithified sandy conglomerate |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Gravelly sand and sandy gravel. LITHIFICATION: Unlithified, assumed on age and facies description. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Shallow, siliciclastic environment, probably cold-water. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | bulk,field collection |
| Reason for describing collection: | paleoecologic analysis |
| Collection method comments: COLLECTOR: Presumably collected by the author, S. Gordillo (Becaria del Conicet, Ushuaia, Tierra del Fuego). REPOSITORY: Repository unknown. | |
| Taxonomic list comments:COMPLETENESS: Exhaustive for gastropoda and bivalvia. No other groups listed. NOMENCLATURE: Not an authoritative publication, but using modern nomenclature and species-level designations. | |
Metadata
| Database number: | 65818 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2006-09-25 12:26:45 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | group members | Released: | 2007-09-25 12:26:45 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 18880. | S. Gordillo. 1991. Paleoecologia de moluscos marinos del Holoceno medio de Isla Gable, Canal Beagle, Tierra del Fuego, Argentina. Ameghiniana 28(1-2):127-133 [A. Hendy/A. Hendy/A. Hendy] |