KJ9817 (DMNH 2200): Puercan, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Coniferales
- Cupressaceae
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Glyptostrobus europaeus leaf
(Brongniart 1833)
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2 specimens | |||||||||
FU004 | ||||||||||
Magnoliopsida
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Quereuxia angulata leaf
Newberry 1953
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230 specimens | |||||||||
FU002 | ||||||||||
Dicotylophyllum anomalum leaf
(Ward 1887)
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1 specimen | |||||||||
FU029 | ||||||||||
Angiospermae
- Nymphaeales
- Nymphaeaceae
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Paranymphaea crassifolia leaf
Newberry 1935
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9 specimens | |||||||||
(Newberry) Berry; FU001 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | North Dakota | County: | Slope |
Coordinates: | 46.3° North, 103.9° West (view map) | ||||
Paleocoordinates: | 55.5° North, 65.1° West (Wright 2013) | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 2890 feet | ||||
Geographic resolution: | small collection |
Time
Period: | Paleogene | Epoch: | Paleocene |
Stage: | Danian | 10 m.y. bin: | Cenozoic 1 |
*Period: | Early/Lower Tertiary | *Epoch: | Early/Lower Paleocene |
*International age/stage: | Early/Lower Danian | *Local age/stage: | Puercan |
Key time interval: | Puercan | Zone: | FUI |
Age range of interval: | 66 - 63.8 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Fort Union | Member: | Ludlow | ||
Local section: | 9839 | ||||
Regional section: | Marmarth Composite | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: 33.5m to Hell Creek-Fort Union contact datum, 30.905m to K-T boundary based on calculations in Johnson (2002) |
Lithology and environment
Primary lithology: | poorly lithified mudstone | ||
Includes fossils? | Y | ||
Environment: | pond | Tectonic setting: | cratonic basin |
Taphonomy
Modes of preservation: | adpression |
Size of fossils: | macrofossils |
Spatial orientation: | random |
Temporal resolution: | snapshot |
Spatial resolution: | allochthonous |
Collection methods and comments
Collection methods: | selective quarrying,mechanical,field collection |
Collection size: | 242 specimens |
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | DMNH |
Collection method comments: Specimens located at Denver Museum of Nature & Science |
Metadata
Also known as: | Mt. Goat Lake | ||
Database number: | 25006 | ||
Authorizer: | K. Johnson | Enterer: | M. Reynolds |
Modifier: | M. Reynolds | Research group: | paleobotany |
Created: | 2002-08-25 14:25:27 | Last modified: | 2025-02-22 15:12:02 |
Access level: | the public | Released: | 2002-08-25 14:25:27 |
Creative Commons license: | CC0 |
Reference information
Primary reference:
7941. | K. R. Johnson. 2002. Megaflora of the Hell Creek and lower Fort Union Formations in the western Dakotas: Vegetational response to climate change, the Cretaceous-Tertiary boundary event, and rapid marine transgression. The Hell Creek Formation and the Cretaceous-Tertiary boundary in the northern Great Plains: An integrated continental record of the end of the Cretaceous. 361:329-391 [S. Wing/S. Wing/K. Johnson] |
Secondary references:
6985 | K. R. Johnson. 2002. Personal field work re: HC and FU formations. [K. Johnson/M. Reynolds/M. Reynolds] |