ammonites
Pacheco Group - Garzas Creek, Merced (Cretaceous of the United States)

Where: Merced County, California (37.2° N, 120.9° W: paleocoordinates 38.2° N, 82.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pacheco Group, Cenomanian (99.6 - 93.5 Ma)

• Pacheco Group reaches a maximum thickness of about 9000 ft in the Pacheco Pass area, the lower beds (including conglomerates) reaching a thickness of 3000 ft or more. The basal conglomerate from which this collected was derived is 25 ft thick. Cenomanian in age.

• bed-level stratigraphic resolution

Environment/lithology: marine; conglomerate

• No paleoenvironmental data reported.
• Conglomerate.

Size class: macrofossils

Collection methods: Collected by McCoy, Bennison, and Anderson.

Primary reference: F.M. Anderson. 1958. Upper Cretaceous of the Pacific Coast. Geological Society of America Memoir 71 [A. Miller/A. Hendy/A. Hendy] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44197: authorized by Austin Hendy, entered by Austin Hendy on 04.09.2004

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