Geochemical reconnaissance of late Proterozoic volcanic and mafic plutonic rocks of the Al ‘Awshaziyah quadrangle and related rocks in the Qufar quadrangle, Northern Arabian Shield / by Gerhard W. Leo.
Publication Info.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1986.
[Washington, D.C.] : United States Government Printing Office