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Preliminary investigation of cement materials in the Taif area, Saudi Arabia
Conrad Martin
1970, Open-File Report 70-216
A preliminary investigation of possible sources of cement rock in the Taft area was made during the latter part of August 1968. Adequate deposits of limestone, clay, quartz conglomerate and sandstone, and pisolitic iron ore, yet no gypsum, were located to support a Cement plant should it prove feasible to...
An appraisal of the Jabal Idsas magnetite mineralization based on diamond drill hole N40A
Conrad Martin
1970, Open-File Report 70-215
Diamond Drill Bole N40, intended to test the magnetite mineralization at Jabal Idsas, was aborted because of technical difficulties and a new hole, N4OA, was drilled at the same site in February of 1968 to an inclined down-the-hole depth of 445.7 meters. Disseminated magnetite and locally massive lenses, veins, and...