Where: Jefferson County, Colorado (39.7° N, 105.2° W: paleocoordinates 35.1° N, 52.0° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Brushy Basin Member (Morrison Formation), Kimmeridgian to Kimmeridgian (157.3 - 145.0 Ma)
• presumably laterally continuous with Lakes Quarry 5 (now destroyed); bones present in one layer, the second of four stories in the section
• bed-level stratigraphic resolution
Environment/lithology: channel lag; lithified, medium-grained, pebbly sandstone
Size class: macrofossils
Collection methods: surface (float), surface (in situ), mechanical, peel or thin section,
Primary reference: J. F. Hubert and P. T. Panish. 2000. Sedimentology and diagenesis of the dinosaur bones exposed at Dinosaur Ridge along Alameda Parkway in the Morrison Formation (Upper Jurassic), Morrison, Colorado. The Mountain Geologist 37(2):73-90 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taphonomic analysis
PaleoDB collection 66909: authorized by Matthew Carrano, entered by Matthew Carrano on 23.10.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Dinosauria indet. dinosaur | |
Camarasaurus sp. Cope 1877 camarasaurid | |
? Theropoda indet. theropod |