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Fossils

a slab of gray rock with several raised tube shapes on it.

Trace fossils, including worm burrows and trilobite feeding traces (Cruziana) in a block of Bright Angel Shale, Grand Canyon National Park, Arizona.

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NPS Photo by Cassi Knight, Paleontology Guest Scientist

Public domain:Full Granting Rights

Image

Geologic Resources Division, Code: GRD

NPS.gov Collection

01/01/2001

Monday, November 19, 2018 10:54:48 AM

Monday, November 19, 2018 10:54:48 AM

fossils_25297956660_o.jpg

NIKON

10/674 sec at f / 4

18.1 mm

ISO 100

Monday, January 1, 0001 12:00:00 AM

jpg

2.3 MB

Scenic