KT section Sierra Huantraico, Neuquén Basin, HU28: Danian, Argentina
collected by Aberhan, M., Kiessling, W., Weidemeyer, S. 13032004
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
- Scleractinia
- Flabellidae
|
||||||||||
Flabellum sp.
Lesson 1831
|
2 individuals | |||||||||
Echinoidea
- Echinoida
|
||||||||||
Echinoida informal irr
|
1 individual | |||||||||
Gastropoda
- Turritellidae
|
||||||||||
Turritellidae indet.
Lovén 1847
|
1 individual | |||||||||
Turritella malaspina
|
10 individuals | |||||||||
Bivalvia
|
||||||||||
Bivalvia indet.
Linnaeus 1758
|
1 individual | |||||||||
Bivalvia
- Carditida
- Carditidae
|
||||||||||
Venericardia iheringi
|
1 individual | |||||||||
Bivalvia
- Arcida
- Glycymerididae
|
||||||||||
Glycymeris cf. feruglioi
|
18 individuals | |||||||||
Bivalvia
- Ostreida
- Gryphaeidae
|
||||||||||
Pycnodonte (Phygraea) burckhardti
(Bohm 1903)
|
1 individual | |||||||||
[entered as Pycnodonte (Phygrea) burckhardti] | ||||||||||
see common names |
Geography
Country: | Argentina | State/province: | Neuquén |
Coordinates: | 37.6° South, 69.9° West (view map) | ||
Paleocoordinates: | 40.0° South, 58.3° 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Basis of coordinate: | unpublished field data | ||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: | Roca | ||
Local section: | Huantraico | Local bed: | 6.30 m | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: K/T boundary (basis of HU23) is at 0 m. Beds lumped over 0.20 m. Data from bed/horizon refers to midpoint of sampled beds. |
Lithology and environment
Primary lithology: | gray,green grainstone | ||
Includes fossils? | Y | ||
Environment: | transition zone/lower shoreface | Tectonic setting: | foreland basin |
Geology comments: inner shelf environment. |
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., Weidemeyer, S. | Collection dates: | 13.03.2004 |
Metadata
Database number: | 74041 | ||
Authorizer: | W. Kiessling | Enterer: | S. Weidemeyer |
Modifier: | S. Weidemeyer | Research group: | marine invertebrate |
Created: | 2007-07-19 06:02:59 | Last modified: | 2017-05-23 16:34:15 |
Access level: | authorizer only | Released: | 2009-07-19 06:02:59 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
24819. | S. Weidemeyer. 2007. Molluscs at the K/Pg boundary in Argentina: Extinction and recovery patterns. unpublished Ph.D. thesis. [W. Kiessling/S. Weidemeyer] |