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58.1 Metachert with ferro-glaucophane and white mica. Jenner, California. Limonite (yellow) stains the white mica that defines some foliation planes. The bluish-black needles on foliation planes are ferro-glaucophane. [Scale shows cm divisions.]
Image 119 of 156
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![58.1 Metachert with ferro-glaucophane and white mica. Jenner, California. Limonite (yellow) stains the white mica that defines some foliation planes. The bluish-black needles on foliation planes are ferro-glaucophane. [Scale shows cm divisions.]](../58.1.JPG)