| | Book (edition) | (lower /eft) rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine...England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...wih fH e4agi"” ef) rk bias iycraton as nam Van ce Y ear ieaad Wi 56 ett f tT 7 Pretace The amount...weathered and oxidized zone overlying a sulfide deposit; contains a concentration of hydrated iron oxide...primary mineral deposit in a vein or rock mass as opposed to a secondary (e.g., placer) deposit. luminescence | | | Book (edition) | England Thomas Nelson Australia 102 Dodds Street South Melbourne, Victoria 3205, Australia Nelson Canada...weathered and oxidized zone overlying a sulfide deposit; contains a concentration of hydrated iron oxide...primary mineral deposit in a vein or rock mass as opposed to a secondary (e.g., placer) deposit. luminescence...composed of two parallel faces. placer A mineral deposit formed by the mechanical (density) concentration...Cave Hills and Slim Buttes areas, Harding County, South Dakota. SELECTED REFERENCES: Thompson, M. E., Ingram |
|