KT section Bajada del Jagüel, Neuquén Basin, BJG6: Danian, Argentina
collected by Aberhan, M., Kiessling, W., Scholz, H. 23032003
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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1 individual | |||||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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1 individual | |||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Yoldia (Calorhadia) perdita
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1 individual | |||||||||
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= Spineilo perdita
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Aberhan 2010 | |||||||||
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Nuculana cf. amuriensis
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8 individuals | |||||||||
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Bivalvia
- Cardiida
- Veneridae
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Aphrodina (Tikia) wilckensi
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3 individuals | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Pteromyrtea sp.
Finlay 1926
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3 individuals | |||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Pycnodonte (Phygraea) burckhardti
(Bohm 1903)
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14 individuals | |||||||||
| [entered as Pycnodonte (Phygrea) burckhardti] | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Camptonectes (Camptonectes) sp.
Meek 1864
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2 individuals | |||||||||
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aff. Mixtipecten sp.
Marwick 1928
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1 individual | |||||||||
| spelled with current rank as Chlamys (Mixtipecten) | ||||||||||
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Bivalvia
- Arcida
- Parallelodontidae
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Nemodon sulcatinus
(Evans and Shumard 1857)
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2 individuals | |||||||||
| recombined as Grammatodon (Cosmetodon) sulcatinus | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Neuquén |
| Coordinates: | 38.1° South, 68.4° West (view map) | ||
| Paleocoordinates: | 40.6° South, 56.8° West | ||
| Basis of coordinate: | unpublished field data | ||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| Stage: | Danian | 10 m.y. bin: | Cenozoic 1 |
| Key time interval: | Danian | ||
| Age range of interval: | 66.00000 - 61.60000 m.y. ago |
Stratigraphy
| Geological group: | Malargüe | Formation: | Jagüel | ||
| Local section: | Bajada del Jagüel | Local bed: | 2.10 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: K/T boundary (top of boundary bed) is at 0 m. Beds lumped over 0.35 m. Data from bed/horizon refers to midpoint of sampled beds. | |||||
Lithology and environment
| Primary lithology: | gray,green lithified calcareous mudstone | ||
| Includes fossils? | Y | ||
| Environment: | offshore | Tectonic setting: | foreland basin |
| Geology comments: mid to outer shelf environment, below normal wave base. | |||
Taphonomy
| Modes of preservation: | body,cast,mold/impression,original calcite,replaced with calcite |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | good |
| Temporal resolution: | time-averaged |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection excludes: | all microfossils | ||
| Collection methods: | bulk,mechanical,field collection,observed (not collected) | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Collectors: | Aberhan, M., Kiessling, W., Scholz, H. | Collection dates: | 23.03.2003 |
| Taxonomic list comments:Echinoid spines were reported but not included. | |||
Metadata
| Database number: | 73977 | ||
| Authorizer: | W. Kiessling, M. Aberhan | Enterer: | S. Weidemeyer, S. Nurnberg |
| Modifier: | S. Weidemeyer | Research group: | marine invertebrate |
| Created: | 2007-07-16 05:32:07 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | authorizer only | Released: | 2009-07-16 05:32:07 |
| Creative Commons license: | CC BY |
Reference information