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In June 1965, a small group of European economic geologists gathered in Heidelberg, Germany, at the invitation of Professor G. C. Amstutz and decided to establish the Society for Geology Applied to Mineral Deposits (SGA) and to start a journal to be called Mineralium Deposita. The first issue of the journal came out in May 1966, and has now matured to a leading journal in economic geology The first...
The Dashuigou tellurium deposit, Sichuan, southwest China, is the first deposit dominated by tellurium in the world. Tetradymite is the most important ore-forming mineral in the deposit. Ten chemical analyses of tetradymite from the Dashuigou tellurium deposit gave: Bi 57.65%--58.68%, Te 35.20%--36.40%, and S 4.59%--5.36%, and five X-ray diffraction for the tetradymite show that their unit cell...
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