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. 2022 Jun 8;15(12):4069. doi: 10.3390/ma15124069

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Photomicrographs showing: (a) well-developed zonation of plagioclase (Pl) in granodiorite; (b) aggregates of wedge-like shape of titanite (Tnt) crystals in granodiorite; (c) biotite (bt) is partially altered to chlorite in syenogranites; (d) flamy perthite (Pr) associated with plagioclase (Pl) crystal in alkali-feldspar granites; (e) turbid perthite engulfing plagioclase crystal in alkali-feldspar granites; and (f) fractured albitic plagioclase associated with biotite in albitized granites.