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Partridge Creek Obsidian

partidgecreekobsidian.jpg Narbona Pass ChertThumbnailsPresley Wash Obsidian

Description: Partridge Creek, or Round Mountain, obsidian is found in the Mount Floyd volcanic field in southwest Coconino County, Arizona on the southeast flank of Round Mountain and in secondary deposits along Partridge Creek. The cortex of this obsidian ranges from gray-black to brown-black. The matrix is very glassy and typically opaque black, but thin flakes are cloudy gray and sometimes have cloudy banding.

Author
Michael Terlep/William Bryce, Northern Arizona University Anthropology Laboratories
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partidgecreekobsidian.jpg
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