Weaver coal mine tracksite, Gunnison (Cretaceous of the United States)

Also known as Grand Mesa Coal Field

Where: Gunnison County, Colorado (38.8° N, 107.0° W: paleocoordinates 45.6° N, 76.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Mesaverde Group, Campanian (83.6 - 72.1 Ma)

• near top of #2 coal

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; coal and fine-grained, silty sandstone

• "All prints are preserved as fine sandstone or siltstone casts, with mud drapes, infilling the original impressions in the coal."

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collection methods: surface (in situ),

Primary reference: M. G. Lockley, B. H. Young, and K. Carpenter. 1983. Hadrosaur locomotion and herding behavior: evidence from footprints in the Mesaverde Formation. Grand Mesa coal field, Colorado. The Mountain Geologist 20(1):5-14 [M. Carrano/M. Carrano]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 66908: authorized by Matthew Carrano, entered by Matthew Carrano on 23.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Theropoda - Tyrannosauridae
? Albertosaurus sp.
? Albertosaurus sp. Osborn 1905 Alberta lizard
 Ornithischia - Hadrosauridae
Hadrosauridae indet.
Hadrosauridae indet. Cope 1869 hadrosaurid