ammonites
Guano Cave, USGS 27027-PC (Carboniferous of the United States)

Also known as Guano Cave, +/- 75 feet above formation base

Where: Arizona (36.2° N, 113.8° W: paleocoordinates 1.6° N, 43.9° W)

• outcrop-level geographic resolution

When: Watahomigi Formation (Supai Group), Morrowan (318.1 - 314.6 Ma)

• The Watahomigi is comprised of three informal units: a lower slope unit, a middle cliff unit, and an upper slope unit.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, fine-grained, medium, gray limestone

• Limestone, light-olive-gray with pale-brown, fine-grained, hard, very thick bedded (5-15 ft); grades upward into pale-olive-gray and pinkish-gray, medium-grained, sandy limestone; containes brachiopods and ostracodes (?); weathers to rough gray surface; forms sheer cliff.

Size class: macrofossils

Reposited in the USGS

Primary reference: E. D. McKee. 1982. The Supai Group of the Grand Canyon. United States Geological Survey Professional Paper 1173 [J. Alroy/C. Simpson/C. Simpson] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 42671: authorized by John Alroy, entered by Carl Simpson on 03.08.2004, edited by Pete Wagner

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)