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Fig. 8


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Chondrite-normalized REE patterns for the magmatic rocks from southern Ouaddaï. The normalizing values are from McDonough et Sun, 1995. (a) Amphibolites compared to metagabbro of Mayo Kebbi (Isseini, 2011). (b) HKCA granitoids (granodiorite-biotite granite and pyroxene monzonite) compared to the post-collisional gabbros from Cameroon (Kwékam et al., 2013) and typical representative post collisional high-K igneous rocks from Anatolia (Dilek and Altunkaynak, 2007). (c) Biotite/muscovite leucogranite compared to the north Himalayan leucogranites (Liu et al., 2016). (d) Muscovite leucogranites.

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