12 Mine South, A-Pit (Cretaceous of Canada)

Also known as Smoky River Coal Mine, Grande Cache, A-Pit N

Where: Alberta, Canada (54.0° N, 119.3° W: paleocoordinates 55.2° N, 68.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Grande Cache Member (Gates Formation), Middle Albian (109.0 - 105.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: fluvial-deltaic; burrowed, fine-grained, medium, gray sandstone

• "formed in a shallow, low-energy environment...a brackish, coastal plain or deltaic depositional environment."
• "a richly organic, fine-to-medium-grained, ripple-marked sandstone, riddled with a great number of invertebrate burrows...gray sandstone substrate...""

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collected by Terry in 1996-1997; reposited in the TMP

Collection methods: surface (in situ),

Primary reference: R. T. McCrea and P. J. Currie. 1998. A preliminary report on dinosaur tracksites in the Lower Cretaceous (Albian) Gates Formation near Grande Cache, Alberta. In S. G. Lucas, J. I. Kirkland, and J. W. Estep (eds.), Lower and Middle Cretaceous Terrestrial Ecosystems, New Mexico Museum of Natural History and Science Bulletin 14:155-162 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 52374: authorized by Matthew Carrano, entered by Matthew Carrano on 04.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Ornithischia - Tetrapodosauridae
Tetrapodosaurus sp.
Tetrapodosaurus sp. Sternberg 1932 ornithopod
unclassified
  -
Plantae indet.
Plantae indet. Haeckel 1866
"tree stumps"