Fig. 9
From: Mineralogical and petrographical studies of agricultural soil, Assiut Governorate, Egypt
![Fig. 9](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs42269-019-0068-z/MediaObjects/42269_2019_68_Fig9_HTML.png)
Heavy fraction composed of opaque’s (black), zircon (zoned colorless euhedral to subhedral grains), and staurolite (reddish brown at the upper left corner), heavy fraction, PPL. × 100