| Graphic Texture |
Article Index for Graphic |
Website Links For Graphic |
Information AboutGraphic Texture |
| CATEGORIES ABOUT GRAPHIC TEXTURE | |
| igneous rocks | |
| minerals | |
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It is called 'graphic' because the exsolved or devitrified minerals form wriggly lines and shapes which are reminiscent of writing. Trachyte is a volcanic rock which typically has Graphic Texture . Devitrified Obsidian and other volcanic glasses typically develop graphic textures; Pepperite is a typical rock formed by this process. Graphic Granite is a leucocratic granitic rock consisting of Alkali Feldspar with exsolved Quartz typically forming a distinctive repetitive pattern sometimes resembling hieroglyphics. Exsolved Magnetite has graphic texture, as do some exsolution textures of Pyroxene , Pyrite Feldspar and rarely other minerals. SEE ALSO |
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