Fine Gold Recovery Alternatives to Mercury and Cyanide
1 Fine Gold Recovery Alternatives to Mercury and Cyanide Robin Grayson Eco-Minex International Ltd., Apt.14, Bldg. 40, 140000 Microdistrict, Sukhbaatar District, Ulaanbaatar , P.O.B. 242, Mongolia. About the author Robin graduated in Geology and Zoology from Manchester University in 1970 where he completed a Masters Degree in Geology before lecturing at Wigan Mining College for ten years.