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Kaibab Chert

kaibabchert.jpg Government Mountain ObsidianThumbnailsNarbona Pass Chert

Description: Kaibab chert forms as nodules within the Kaibab Formation limestones of the Colorado Plateau. The brown mottling in the material consists primarily of the silica skeletons of ancient sponges of the genus Actinocoelia.

Author
Michael Terlep/William Bryce, Northern Arizona University Anthropology Laboratories
File
kaibabchert.jpg
Filesize
135 KB