ULTRAMAFIC XENOLITHS FROM A KAMAFUGITE LAVA IN CENOZOIC VOLCANIC FIELD OF WEST QINLING, CHINA AN

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Cenozoic potassic mafic volcanism (kamafugite magamtism) in West Qinling, Gansu province of China is a important section of Cenozoic volcanic belt of Qingzang (Tibet) plateau and adjacent area. The kamafugite magma show near\|primary magma characterist
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