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Swiss Journal of Geosciences
Fig. 4 | Swiss Journal of Geosciences

Fig. 4

From: Bristen granite: a highly differentiated, fluorite-bearing A-type granite from the Aar massif, Central Alps, Switzerland

Fig. 4

Bristen granite (photomicrographs): a Deformed and recrystallized quartz, b Large alkali feldspar with coarse albite exsolution patches, calcite and mica in fractures, c Large twin of alkali feldspar (mesoperthite) with albite exsolution rods and patches, calcite and mica on twin plane, d Alkali feldspar (perthite) with vein sealed by albite and chlorite

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