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Mineral Phases and Phase Diagram of Hydrothermal Alteration Zone in Geodo Mine, Korea  

최진범 (경상대학교 지구환경과학과, 경상대학교 기초과학연구소)
김수진 (서울대학교 지구환경과학부)
Publication Information
Journal of the Mineralogical Society of Korea / v.16, no.1, 2003 , pp. 49-63 More about this Journal
Abstract
Rare and unusual occurrence of hydrothermal minerals were found in Geode mine area. They are developed in the late stage of hydrothermal alteration of earlier skarns and later by the open-space filling crystallization. The alteration of earlier skarns of clinopyroxene, garnet, and plagioclase formed mainly chlorite or sometimes uncommon hydrothermal minerals of prehnite, illite, and pumpellyite. Open-space filling crystallization characterized by hydrothermal minerals developedin open sapce or good are prehnite, pumpellyite, clinozoisite, illite, and Ca-zeolites of stilbite annstellerite. Mineral phases and paragenesis are examined in detail by microscopy, XRD, SEM, and EPMA. Using the Schreinemaker's method, equibrium reactions among these minerals are establishedand isothemal-isobaric phase diagrams of $\mu$$H_2O$-$\mu$$CO_2$cot are plotted. Hydrothermal minerals such asprehnite, pumpellyite, clinozoisite, illite, and some chlorite were ffrmed under high partial pressure of $CO_2$with relatively low $H_2$O fugacity. Later, stilbite and calcite in association with illite crystallized under relatively both high partial Pressure of $CO_2$and high $H_2$O fugacity.
Keywords
prehnite; pumpellyite; clinozoisite; Schreinemaker's method; equilibrium reaction; phase diagram;
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  • Reference
1 Garvey, R (1986) Computer program ‘LSUCRIPC’ (Least squares unit cell refinement with indexing on the personal computer). Powder Diffraction, 1 , 114-114.
2 Liou, J.G., Maruyama, S., and Cho, M (1985) Phase equilibria and mineral parageneses of metabasites in low-grad e metamorphism. Mineral. Mag., 49, 321-333.   DOI
3 Moon, K.J . (1983) The Genesis of the Sangdong Tungsten Deposit, the Republic of Kore a. Unpub.Ph.D. thesis, Tasmania University, Australia.
4 Skippen, G.B. (1971) Experimental data for react ions in siliceous marbles. Jour. Geol ., 79, 457-481.
5 Yun, S.K. (1978) Geology and Skarn Ore Mineralization of the Yeonhwa-Ulchin Zinc-Lead Mining District Southeastern Taebaegsan Region, Korea. Unpub, Ph.D. thesis. Stanford University, California.
6 Benoit, P.H. (1987) Adaptation to microcomputer of the Appleman-Evance program for indexing and least-squares refinement of powder diffraction data for unit-cell dimension s. Am. Mineral., 72, 1018-1019.
7 Ferry, J.M . (1985b) Hydrothermal alteration of Tertiary igneous rocks from the Isle of Skye, northwest Scot land: II. granites. Contrib. Miner al.Petrol., 91, 283-304.
8 Ogasawara, Y., Uchida, E., and Imai, N. (1981)Thermochemical recalculation for thermal dissociation equilibrium of dolomite - thermochemical studies in the system CaO-MgO-SiO$_2$-CO$_2$-H$_2$O (1) . Bull. Sci. Eng. Res. Lab., Wased a Univ., 95, 15-26.
9 Galli , E. (1971) Refinement of the crystal structure of stilbite . Acta Cryst., 1327, 833-841.
10 Gordon, T.M. and Greenwood, H.J . (1970) The reaction : dolomite + quartz + water = talc + calcite + carbon dioxide. Am. Jour. Sci., 268 , 225-242.
11 Jeong, J.I. (1986) Ore Mineralogy and Petrology of Zinc-Lead- Silver Ore s from the Yeonhwa I Mine,Republic of Kore a. Unpub. Ph.D. the sis, Waseda University, Japan.
12 Korzhinskii, D.S. (1970) Theory of Metazomatic Zoning (trans. by Agrell, J.). Oxford Univ. Press, London, 162p.
13 Choi, J.B. (1989) Mineralogy of Skarn s and Associated Minerals in the Geodo Mine, Kore a. Unpub. Ph.D. thesis, Seoul National University.
14 Alberti, A. (1976) The use of structure factors in the refinement of unit-cell parameters from powder diffraction data. Jour. Appl. Cryst., 9, 373-374.
15 Appleman, D.E. and Evance , H.T.Jr. (1973) Job 9214:Indexing and least-square refinement of powder diffraction data. U.S. Geol. Surv., Computer Contrib., 20, U.S. National Technical Information Serv.,Doc. PB2-16188.
16 Ko, J.D. and Kim, S.J. (1982) Mineralogy and genesis of Fe-Cu and Au-Bi-Cu deposits in the Geodo mine, Korea . Jour. Korean Inst. Mining Gcol. , 15, 189-204.
17 Slaughter, .J., Kerrick, D.M., and Wall, V..J. (1975)Experimental and thermodynamic study or equilibria in the system CaO-MgO-SiO$_2$-H$_2$O-C0$_2$. Am . .Jour. Sci .. 275. 143-162.
18 Slaughter, M. (1970) Crystal chemistry of stilbite.Am. Mineral., 55. 387-397.
19 Kim, S.Y. (1976) Geology, Mineralogy, and Geochemistry of Tungsten Deposits of the Sangdong Ogbang Area, Southern Korea. Unpub. Ph.D.the sis, University of Leed s, Eng land.
20 Skippen, G.B. (1974) An experimental model for low pressure metamorphism of siliceous dolomitic marble.Am. .Jour. Sci .. 274, 487-609.
21 Kerr, P.H. (1977) Optical Mineralogy (4th ed.). McGrow-HiIl, 492p.
22 So, C.S. (1968) Die Schcclitc-Largcrstauc, Sangdong.Unpub. Inaug. Diss., Universitat Munich, West Germany.
23 Zen, E.-A. and Thompson, A.B. (1974) Low grade regional metamorphism: mineral equiligrium relations.Ann. Rev. Earth Planet. Sci .. 2, 179-212.
24 Poul iot, G., Trudel, P., Valiquette, G., and Sam son, P.(1984) Armenite-thulite- albite veins at Remigny,Quebec: the second occurrenc e of arm enit e. Can. Mineral ., 22, 453-464.
25 Ogasawara, Y., Uchida, E., and Irnai, N. (1982) Thermochemical study on phase equilibria in the system CaO-MgO-SiO$_2$-C0$_2$-H$_2$O. Bull. Sci. Eng. Res. Lab., Waseda Univ.,98,1-24.
26 Seki, Y. (1959) Relation between chemical composition and lattice con stants of epidote. Am.Mineral., 44, 720-730.
27 Abrecht, J. (1981) Pink zoisite from the Aar massif, Switzerland. Mineral. Mag., 44, 45-49.   DOI
28 장호완, 박기화 (1982) 거도지역 함 Fe-Cu 스카른의 성인. 금속광상 보고서, 한국지질자원연구소, 14, 129-155.
29 Galli , E. and Passaglia, E. (1973) Stellerite from Villanova Monteleone, Sardinia. Lithos, 6, 83-90.
30 Kim, S.J. , Noh, J. H., and Choi, J.B. (1988) Crystal chemistry of Ca-garnets from Ulchin Pb-Zn deposits: a study of mineral spectroscopy. Jour.Mineal. Soc. Korea, 1, 20-31.
31 Zen, E.-A. (1966) Construction or pressure-temperature diagrams for multi component systems after the method of Sehreinemakers - a geometric approach.U.S. Geol. Surv. BulL 1225, 1-56.
32 Chang, S.W. (1988) Min eralogy of Tungsten Ores from Sangdong Mine. Unpub. Ph.D. thes is, Seoul Nation al University.
33 Deer, W.A., Howie, R.A., and Zussrnan, J. (1963)Rock- Forming Mineral s, Vol. 1-4. John Wiley and Sons, New York.
34 Ferry, J.M (1985a) Hydrothermal alteration of Tertiary igneous rock s from the Isle of Skye, northwest Scotland: I. gabbros. Contrib. Mineral. Petrol.,91,264-282.