guide to thin section microscopy - Mineralogical Society of America
guide to thin section microscopy - Mineralogical Society of America
guide to thin section microscopy - Mineralogical Society of America
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Guide <strong>to</strong> Thin Section Microscopy<br />
Exsolution textures<br />
Raith, Raase & Reinhardt – February 2012<br />
Figure 3-22 Exsolution textures<br />
A: Augite twin on (100) with pigeonite lamellae on (001). B: Bronzite with <strong>thin</strong> augite lamellae on<br />
(100). C: Exsolution lamellae in grunerite. D-H: Perthitic unmixing in alkali feldspars: mesoperthite,<br />
film-like spindle perthite, network-like vein perthite. spindle perthite. coarse vein perthite. I,J: Antiperthitic<br />
unmixing in plagioclase. K,L: Embayed platelets and drop-like crystals <strong>of</strong> exsolved dolomite<br />
in calcite host.<br />
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