Buchardt and Simonarson's Tjornes bed 19: Late/Upper Pliocene, Iceland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Pyrgocardia rustica
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Bivalvia
- Hiatellida
- Hiatellidae
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Panomya obliquelongata
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Mentioned in text, not in appendix | ||||||||||
Bivalvia
- Cardiida
- Tellinidae
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Macoma sp.
Leach 1819
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Bivalvia
- Cardiida
- Arcticidae
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Arctica islandica
(Linnaeus 1767)
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see common names |
Geography
Country: | Iceland |
Coordinates: | 66.0° North, 17.0° West (view map) |
Paleocoordinates: | 66.0° North, 16.9° West |
Basis of coordinate: | stated in text |
Geographic resolution: | local area |
Time
Period: | Neogene | Epoch: | Pliocene |
Stage: | Piacenzian | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Late/Upper Pliocene | ||
Age range of interval: | 3.60000 - 2.58800 m.y. ago |
Stratigraphy
Geological group: | Breidavik | ||||
Regional order: | bottom to top | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Thick sequence of alternating terrestrial and marine sediments and interbedded lava flows of Pliocene and Pleistocene age; mostly fossiliferous marine sandstone with intermittent terrestrial or estuarine lignite beds and muddy sandstone; from Serripes biozone |
Lithology and environment
Primary lithology: | unlithified sandstone | ||
Includes fossils? | Y | ||
Lithology description: Sandstone with intermittent lignite beds and muddy sandstone | |||
Environment: | transition zone/lower shoreface | Tectonic setting: | rift |
Geology comments: Near intersection of the axial zone of rifting and volcanism and the Tjornes Fracture Zone; described as horst; tectonically active in the Pliocene-Pleistocene |
Taphonomy
Modes of preservation: | body,original aragonite,replaced with calcite |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | excellent |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | selective quarrying,field collection |
Reason for describing collection: | general faunal/floral analysis |
Collection method comments: Only target species were collected (mainly Arctica islandica/Pygocardia rustica) | |
Taxonomic list comments:Not representative taxonomic list |
Metadata
Also known as: | Bardarson's Tjornes bed 19 | ||
Database number: | 34959 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy |
Modifier: | A. Hendy | Research group: | marine invertebrate |
Created: | 2003-10-21 10:32:26 | Last modified: | 2013-11-25 13:37:23 |
Access level: | group members | Released: | 2004-10-21 10:32:26 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
9397. | 1% 20 | B. Buchardt and L.A. Simonarson. 2003. Isotope palaeotemperatures from the Tjornes Beds in Iceland; evidence of Pliocene cooling. Palaeogeography, Palaeoclimatology, Palaeoecology 189(1-2):71-95 [A. Miller/A. Hendy/A. Hendy] |