Fig. 15 | Scientific Reports

Fig. 15

From: Fertile high-K magmatism and hydrothermal alteration zone associated with porphyry copper mineralization in Samra area, SE Sinai, Egypt

Fig. 15

(a) A/NK vs. A/CNK bi-plot71,72 where granite samples from the study area plot within Cu-Au, Au-(Bi) dominating flied, (b) Degree of fractionation (Rb/Sr) vs. the oxidation state (Fe2O3/FeO)71,82. (C) Fe2O3/FeO versus SiO285, (D) P2O5 vs. SiO286,(e) Zr (ppm) vs. M=(Na + K + 2Ca)/(Al*Si) diagram87,(f) P2O5 and TiO287. (g) Redox indicator expressed as Fe2O3/FeO vs. FeO*90, (h) Sr/MnO vs. Sr/Y bi-plot90, (i) Sr/Y vs. SiO2plot91,92, (j) Al2O3/TiO2ratio versus SiO291, (k) Rb-Sr diagram93.

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