Back-Arc ophiolitic rocks at Wadi El-Markh, Central Eastern Desert, Egypt
El Markh ophiolitic sequence is formed mainly of imbricated and dismembered ultramafic-mafic rocks including serpentinites, metagabbros, boninitic metagabbros and metabasalts. The major and trace elements data indicate that the serpentinites and the metagabbroic-basaltic association are not related to each other by fractional crystallization of a common parental magma, but represent independently generated magmas. The gabbroic-basaltic association were produced by the ... Read more