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| Click on image to enlarge. Photo © Daniel R. Snyder |
Epidote (cyan and magenta) rimming albite grains (white or gray) and sieve-textured hornblende (stippled orange and brown grains: left center, bottom center, lower left, bottom right) in Buck Creek amphibolite. Blue Ridge Mountains, Clay County, western North Carolina. XPL. Imaged area 1.3mm by 2 mm.
Below: Higher magnification PPL image of sieve texture in hornblende grain at bottom center of image above. Imaged area 0.27mm by 0.4mm.
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| Click on image to enlarge. Photo © Daniel R. Snyder |
Below: Epidote-rimmed albite in another area of the same thin section. XPL. Imaged area 0.76mm by 1.14mm. Ab=albite, Hbl=hornblende, Mt=magnetite. Epidote, not labeled, is the high-birefringence mineral rimming the albite grains.
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| Click on image to enlarge. Photo © Daniel R. Snyder |
Below: PPL image of above. Note green color of hornblende (stage is rotated to give a pale green color) and sieve texture in hornblende grain at left of image.
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| Click on image to enlarge. Photo © Daniel R. Snyder |
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