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Olivine (XPL-10x)
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Viewing an olivine grain in a gabbro under cross polarized light. It surrounded by a thin alteration rim of oxides (black) and fibrous amphibole.
Plagioclase (grey-black) grains on outer edges. Notice, there's a small plagioclase inclusion (chadacryst) within the olivine.
Plagioclase (grey-black) grains on outer edges. Notice, there's a small plagioclase inclusion (chadacryst) within the olivine.
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