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- Zuni Spotted Chert Flake
Cultural Period: Prehistoric Description: Zuni Spotted Chert flake; retouched along one edge and perforated near the flake termination. Zuni Spotted Chert (also called Yellow-brown Spotted Chert, Zuni Jasper, and Chinle Chert) is a material local to the Zuni Mountains. Provenience: Uncertain; possibly from LA 99 (Atsinna Pueblo). Collection: National Park Service, El Morro. - Kaibab 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. - Narbona Pass Chert
Description: Narbona Pass chert, previously known as Washington Pass chert, is a cryptocrystalline chert with a pure pink hue. The only known source for this material is in the Chuska Mountains of New Mexico.