Fig. 12 | Scientific Reports

Fig. 12

From: Integrated radiometric and mineralogical investigation of radioactive mineralization in the El-Erediya Shear Zone, Eastern Desert, Egypt

Fig. 12

Photomicrographs of alkali-feldspar granite; [(a) wavy extinction of quartz, string perthite, and irregular flakes of biotite, (b) orthoclase perthite, and albite twining of plagioclase, (c) cross-hatched twining microcline, (d) primary flakes and secondary fan-shaped of muscovite, and (e) elbow twining of zircon] and their alterations; [(f) fragments and undulose extinction of quartz, (g) Partially silicification of orthoclase perthite, (h) partially kaolinization and silicification of perthite, (i) partially sericitization and silicification of perthite, (j) zircon crystal associated with silicification and hematitization, and (k) fractures filled with opaque minerals].

Back to article page