However, Postmasburg does have some claim to mineralogical fame if the manganese-rich diaspore from the Lohathla, Glosam, and Gloucester mines is considered and, notably for this column, the only type-locality species (to date) found in the area, gamagarite....
Women in Mining: A Challenge to Occupational Culture in Mines. MA Dissertation, Unpublished. Johannesburg: University of the Wit- watersrand... Asanda P. Benya 被引量: 23发表: 2009年 Digging deep for profits and development? Reflections on enhancing the governance of Africa's mining sector "...
The mines were exploited in the past centuries up to the World War II. The manganese ores occur as lenses in radiolaritic rocks of the large Oberhalbstein ophiolithic zone. The origin of the synsedimentary ores related to a Jurassic ocean ridge volcanism. The whole complex was deformed by ...
Sign Up Ndlovu, an engineer, has been at the helm of Thungela, which mines coal burned in power stations, since it was spun off from Anglo American in 2021. Prior to that he had headed the Anglo coal division. He steps down as South African coal producers including Exxaro Resources and ...
damsonnoun(n.) A small oval plum of a blue color, the fruit of a variety of the Prunus domestica; -- called also damask plum. dannoun(n.) A title of honor equivalent to master, or sir. noun(n.) A small truck or sledge used in coal mines. ...
An instrument, utensil, or machine, which, by alternate expansion and contraction, or by rise and fall of the top, draws in air through a valve and expels it through a tube for various purposes, as blowing fires, ventilating mines, or filling the pipes of an organ with wind. belluine ...
BHP reports on new coal projects, production from existing mines BHP Billiton Ltd. said in its quarterly exploration and development update, issued Jan. 21, that it is progressing with two coal production projects in South Africa and with an Australian coal export terminal project that will help...
If you follow my page you know for the past 20 years or so we had two dogs in our lives, Max and Dex. Unfortunately, they are no longer with us and we are taking a bit of a break before we decide to make the decision and get a new dog and make that long-term responsibility ...
('precious green gemstone', or 'heart of the earth'), turquoise was given its modern name by the French, who called it pierre turquois (Turkish stone) - as this gemstone was first commercially sourced in Persian mines on the south slopes of the Al-Mirsah-Kuh Mountains, and made its ...
South Africa is its second-largest country of operations after Botswana, but many of its mines are unprofitable, and the company faces intense regulatory and political pressure on its hiring practices and business model. Like its industry peers, it has been urged by South Africa’s government to...