Eastern Gove County: Santonian, Kansas
collected 1996-1997
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Ostreida
- Ostreidae
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Pseudoperna congesta
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Reptilia
- Mosasauridae
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Platecarpus planifrons
(Cope 1874)
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1 specimen | |||||||||
FHSM-VP 13910 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Kansas | County: | Gove |
Coordinates: | 38.0° North, 100.3° West (view map) | ||||
Paleocoordinates: | 41.2° North, 67.1° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
Key time interval: | Santonian | Ammonoid zone: | Cladoceramus undulatoplicatus |
Age range of interval: | 86.30000 - 83.60000 m.y. ago |
Stratigraphy
Geological group: | Colorado | Formation: | Niobrara | Member: | Smoky Hill Chalk |
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Deposited 87-82 Ma; recovered from below Marker Unit 7, 63.4 above base of composite section |
Lithology and environment
Primary lithology: | planar lamination lithified chalk |
Lithology description: composed of "compacted skeletal remains (coccoliths) of planktonic, golden-brown algae (Chrysophyceae)"; deposited 200 miles from the eastern and 600 miles from the western shoreline of the Western Interior Seaway; deposited in water depths of 150 and 300 m | |
Environment: | deep subtidal shelf |
Glacial or sequence phase: | regressive |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Spatial orientation: | random |
Preservation of anatomical detail: | good |
Abundance in sediment: | rare |
Fragmentation: | frequent |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection size: | 1 specimens |
Reason for describing collection: | biostratigraphic analysis | Collection dates: | 1996-1997 |
Metadata
Database number: | 99385 | ||
Authorizer: | M. Carrano | Enterer: | H. Street |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2010-11-09 11:45:30 | Last modified: | 2012-01-31 15:40:37 |
Access level: | the public | Released: | 2010-11-09 11:45:30 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
34156. | M. J. Everhart. 2001. Revisions to the biostratigraphy of the Moasasauridae (Squamata) in the Smoky Hill Chalk Member of the Niobara Chalk (Late Cretaceous) of Kansas. Transactions of the Kansas Academy of Science 104(1-2):59-78 [M. Carrano/H. Street] |