Figure 12

(a) Classification of phenocryst and inclusion biotites from the PL and LD deposits and SN prospect based on chemical and lithological affinities (adapted from reference83). A Phlogopites; B Mg-biotites; C Fe-biotites; D siderophyllites, lepidomelanes; E Fe-muscovites; F Muscovites. (b) Comparison diagram of the MgO-FeO of biotites. (c) Ternary TiO2-FeO + MnO-MgO diagram after reference82; (d) Ternary MgO-FeO-Al2O3 diagram after reference6.