Figure 2

Back-scattered electron (BSE) images and energy dispersive X-ray spectrometry (EDS) spectra of mineral particles in weathered granite; (a) quartz; (b) K-feldspar; (c) kaolinitic particle; (d) micaceous particle; (e) hematite; and (f) ilmenite. (a–c) are major minerals, and (d–e) are minor minerals in the weathered granite.