Document baORqXXyE1DGQ5OVn0Qve3BNO

New Asbestos Mines and Mil In Southern Rhodesia HEN the Johns-Manville WCorporation placetffiwTmTHT asbestos mines and a new report of a group of geologists who ^ere sent to investigate showed promise of greater importance, and central miil in Southern Rhodetshiao,rough investigations followed, the Africa, into commercial production capital investment being provided by last fall, this firm added to its world Canadian Johns-Manville Ltd. in production of the essential fiber some conjunction with the associated com 20,000 tons annually. panies. In this operation J-M retains Mining and milling of the ore is the controlling interest and provides being carried on by a new company, the "know-how" from its many years Rhodesian Asbestos Ltd., under the of experience as the world's largest direction of Canadian Johns-Man producer of asbestos fiber. ville Ltd., in association with British The central mill--serving both Metals Corporation Ltd., Antrlo- mines--is located at Temeraire, the Huronian Ltd., Southern Minerals ore from the Shamala mine being and Marketing Corporation (Ptv.: transported to this location in trucks. Ltd., and the Simon I. Patino The processed fiber is trucked out interests. from Mashaba to the railroad at The ore properties arc located at Fort Victoria, whence it is shipped to Mashaba, in the Victoria district of Beira, Mozambique, for water trans Southern Rhodesia. Present develop port to Europe and the United ment has made this the second-largest States. Fiber from these deposits is of mining and milling operation in the the chrysotile type, talc- and iron- country. The two mines under devel free; it is suitable for the manufac opment include the Temeraire mine, ture of asbestos-cement products used which is at Mashaba, and the Sham- extensively for water, sewage disposal, ala mine four miles away. Johns-Manville became interested in the deposits in 1951, when they were being developed on a relatively An aerial view of JoKns-MonvitU Corpora tion's asbestos plant near Mashaba, South ern Rhodesia, Africa, showing the main small scale by local concerns. The structures, staff houses, and the native com pounds (background). and industrial waste systems. Tit fiber from the Temeraire mine hi a ribbon structure, while the Shamai fiber is longer and is of the mot usual stockwork character. The con: pany is milling a blend of the tw fibers to meet required spccificatiot suitable for the manufacturing usr indicated. Both ore bodies strike mainly caand west, with only about 10 degret difference in direction; and hot. have a basically similar undergrounpattern. Development at Shamala not as far advanced as at Temerair, and since a blend of fiber is requiret development ore is being used t supply the mill, augmented by or from an open cut in a hillside at th western end of the ore body. These mines are among the mos highly mechanized in Souther: Rhodesia. No timber is used for min support. Where bad ground has beeencountered and in the crosscuts b< low the cave, reinforced concret arches are employed to provide th maximum safety and to prevent th introduction of foreign material int the fiber. In addition to the tw mines and the new mill, there is 72 Pit and Quarr- MTC 001593 A----- * "nce