Welkom Gold Mining A M C

2009-12-29the deep gold mines of south africa windows into the subsurface biosphere onstotta, kobina, h donga, m deflaunb, j fredricksonc, taileyc, f brockmanc, tformation rock temperatures in the witwatersrand gold mining arc after jones and bottomley, 1986 brofile of three mines from western deep levels ltdocated in.

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