Ultramafic–mafic and granitoids supra-subduction magmatism in the southern Ashanti volcanic belt, Ghana: Evidence from geochemistry and Nd isotopes

Samuel B. Dampare, Tsugio Shibata, Daniel K. Asiedu, Osamu Okano, Shiloh K.D. Osae, David Atta-Peters, Patrick A. Sakyi