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Vol 121
Pages:
88-94
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RUS
Article

Prediction of parameters of cassiterite-sulfide ore bodies based on the results of sampling of cryogenic oxidation zone

Authors:
E. D. Kravtsov
Date submitted:
1989-07-04
Date accepted:
1989-09-08
Date published:
1990-12-24

Abstract

Four morphological types of outcrops on the surface of oxidized sulfide ores, caused by four types of processes of cryogenic and pre-cryogenic oxidation, are described. The main features of these processes that lead to changes in the contents of inert components (such as cassiterite) and in the thickness of vein ore bodies are described. The coefficients allowing to predict the values of parameters of unoxidized ore bodies on the basis of known parameters of the upper part of the oxidation zone are given.

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References

  1. Ivanov O.P. About the age and peculiarities of formation of oxidation zones of sulfide deposits in permafrost // Scf. Notes of TsNIIOlovo. 1965. № 3. P.11-17.
  2. Kravtsov E.D. Cryogenic oxidation zone of cassiterite-sulfide deposits. North-Eastern Yakutia ACCP // Problems of Cryolithology. Moscow: PH. of Moscow State University, 1974. Iss. 4. P. 165-170.
  3. Kravtsov E.D. Variation of ore body thickness and tin content in the cryogenic oxidation zone of the Dyakhtardakh sulfide-cassiterite deposit // Geolog. and exploration of ore deposits / Irkutsk, Irkutsk, Polytechnic Institute. Irkutsk, 1981. P. 141-149.
  4. Kravtsov E.D. Features of sulfate metasomatism of sulfide ores in the cryolithozone // Metasomatism and ore dressing. M.: Nauka, 1984. P. 189-198.
  5. Kravtsov E.D. Manifestation of leached ores in the cryogenic oxidation zone // Prc. All-Union Mineralogical Society. 1986. Iss. 6. P. 721-726.
  6. Mineralogical sketch of the Yano-Adychan area / S.S. Smirnov, M.M. Dubovik, P.P. Epifanov et al. Prcd. of the Institute of Geological Sciences, USSR Academy of Sciences. Mineralogical Series. 1941. Iss. 46 (9). P. 1-62.
  7. Paleogeography of Europe for the last hundred thousand years: Atlas-monograph / Edited by I.P.Gerasimov and A.A.Velichko. Moscow: Nauka, 1982. 156 p., 15 maps.
  8. Pitulko V.M. Issues of formation of cryogenic oxidation zones of sulfide localities // Nor.-East. Compl. Research Institute / Prop. DVNTS OF THE USSR ACADEMY OF SCIENCES. 1973. Iss.55. P. 192-207.
  9. Pitulko V.M., Tsvetkov L.P. Peculiarities of the structure and formation of the oxidation zone of the tin-bearing stockwork of Pervochnachalny (Central Chukotka) // Geochemistry. 1975. № 3. P. 453-459.
  10. Smirnov S.S. Oxidation zone of sulfide deposits. Moscow: PH of the USSR Academy of Sciences. 1955. 331 p.

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