The Dabr metagabbro-quartz diorite intrusion (DMQD), commonly described as metagabbro-diorite complex, occurring along Wadi Dabr, forms an elongated mass intruded into the metavolcanics and associated pyroclastics. It is intruded by younger gabbro (Ygb) and younger granites. The DMQD comprises metagabbro, diorites , quartz diorite and appinites.. Variation diagrams of the DMQD suggest fractional crystallization by separation of pyroxene followed by ...
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