Also known as Gateway

Where: Mesa County, Colorado (38.6° N, 108.9° W: paleocoordinates 14.1° N, 47.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Monitor Butte Member (Chinle Formation), Norian (228.0 - 208.5 Ma)

• 5 m interval in upper part of formation, described as from low in the group just above the Shinarump Fm., probably from the (?) Monitor Butte Formation (Adamanian) by Hunt & Lucas 2007. Orig. incorrectly assigned to the Moenkopi Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; lithology not reported

Size class: macrofossils

Preservation: mold/impression, trace

Collected by J. M. Parrish & M. G. Lockley in 1983

Collection methods: surface (in situ),

Primary reference: J. M. Parrish and M. G. Lockley. 1984. Dinosaur trackways from the Triassic of western Colorado. Geological Society of America Abstracts with Programs 16(4):250 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 55259: authorized by Matthew Carrano, entered by Matthew Carrano on 03.10.2005, edited by Mark Uhen

Creative Commons license: CC BY (attribution)