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62.0 Riebeckite-quartz-garnet-stilpnomelane gneiss. Laytonville, California. Light colored bands are gray quartz or gray quartz and pink garnet, whereas dark colored bands are dominated by stilpnomelane with garnet. [Scale shows cm divisions.]
62.0 Riebeckite-quartz-garnet-stilpnomelane gneiss. Laytonville, California. Light colored bands are gray quartz or gray quartz and pink garnet, whereas dark colored bands are dominated by stilpnomelane with garnet. [Scale shows cm divisions.]

Image 135 of 156

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