Abstract

"The only known deposits of tin and tungsten ores in French Morocco are located near Oulmes east of Casablanca. The El Karit tin deposit is confined to a zone of sedimentary rock adjacent to granite. The tin occurs as cassiterite in and along quartz veins. . . . Presence of ore has been demonstrated over an area 2.5 to 3 miles long and 800 to 1,600 feet wide. About 3 miles southwest . . . is the El Zguit tungsten deposit. The ore occurs as wolframite, ferberite, and scheelite, along the margins of a few large quartz veins. . . . Mineralization has been found over a length of possibly two miles. Both deposits are judged to be of commercial grade."

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