Abstract
Barton Peninsula is mainly composed of Tertiary metavolcanic rocks and granodiorite. The metavolcanic rocks underwent thermal metamorphism up to upper greenschist facies, producing calcic-amphibole (Amp), epidote, chlorite (Chl), calcite (Cc), plagioclase, prehnite and laumontite. Two metamorphic zones, Cc-Chl and Amp-Chl, are defined on the basis of mineral assemblages (+plagioclase, quartz, opaque minerals), characterized by epidote+chlorite±calcite and actinolite±hornblende+epidote+chlorite ±calcite, respectively. The distribution coefficient of Mg−Fe* (total Fe) between actinolite and chlorite, defined by KD=(Mg/Fe*)Act/(Mg/Fe*)Chl, ranges from 0.56 to 1.03, suggesting low-pressure metamorphism. The coexistence of actinolite and oligoclase also supports low-pressure metamorphism. Clorite geothermometry and T−XCO 2 analysis suggest that metamorphic temperatures reached ca. 300°C at fluid pressures less than 1 kbar. Thermal metamorphism in Barton Peninsula probably was associated with magmatic-arc plutons emplaced during the Tertiary subduction of the southeast Pacific plate under Antarctic Peninsula.
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References
Albee, A.L., 1962, Relationship between the mineral association, chemical composition and physical proeprties of the chlorite series. American Mineralogist, 47, 851–870.
Armstrong, D.C., 1995, Acid sulphate alteration in a magmatic hydrothermal environment, Barton Peninsula, King George Island, Antarctica. Mineralogical Magazine, 59, 429–441.
Asheroft, W.A., 1972, Crustal structure of the South Shetland islands and Bransfield Strait. British Antarctic Survey Scientific Reports, 66.
Barton, C.M., 1965, The geology of the South Shetland islands: III. The stratigraphy of King George Island. British Antarctic Survey Scientific Reports, 44.
Bégin, N.J., 1992, Contrasting mineral isograd sequences in metabasites of the Cape Smith Belt, northern Québec, Canada: three new bathograds for mafic rocks. Journal of Metamorphic Geology, 10, 685–704.
Berman, R.G., 1991, Thermobarometry using multi-equilibrium calculations: a new technique with petrological applications. Canadian Mineralogist, 29, 833–855.
Bettison, L.A. and Schiffman, R.J., 1988, Compositional and structural variation of phyllosilicates from the Point Sal Ophiolite California. American Mineralogist, 73, 62–76.
Bird, D.K., Rogers, R.D. and Manning, C.E., 1986, Mineralized fracture systems of the Skaergaard intrusion, East Greenland. Meddelelser om Grønland, Geoscience, 16, 1–68.
Birkenmajer, K., 1983, Late Cenozoic phases of block-faulting on King George Island, South Shetland Islands, West Antarctica. Bulletin de l’Academie Polonaise des Sciences, Terre, 30, 21–32.
Birkenmajer, K., 1998, Geological structure of Barton Peninsula and Weaver Peninsula, Maxwell Bay, King George Island (South Shetland Islands, West Antarctica). Bulletin of the Polish Academy of Sciences, Earth Sciences, 46, 191–209.
Birkenmajer, K., Delitala, M.C., Narebski, W., Nicoletti, M. and Petrucciani, C., 1986, Geochronology and migration of Cretaceous through Tertiary plutonic centres, South Shetland Islands (West Antarctica): subduction and hot spot magmatism. Bulletin of the Polish Academy of Sciences, Earth Sciences, 34, 243–255.
Birkenmajer, K., Francalanci, L. and Peccerillo, A., 1991, Petrological and geochemical constraints on the genesis of Mesozoic-Cenozoic magmatism of King George Island, South Shetland Islands, Antarctica. Antarctic Science, 3, 293–308.
Cathelineau, M., 1988, Cation site occupancy in chlorites and illites as a function of temperature. Clay Minerals, 23, 471–485.
Cathelineau, M. and Nieva, D., 1985, A chlorite solid solution geothermometer. The Los Azufres (Mexico) geothermal system. Contribution to Mineralogy and Petrology, 91, 235–244.
Cho, M. and Liou, J.G., 1987, Prehnite-pumpellyite to greenschist facies transition in the Karmutsen metabasites, Vancouver Island, British Columbia. Journal of Petrology, 28, 417–443.
Cho, M., Liou, J.G. and Bird, D.K., 1988, Prograde phase relations in the State 2–14 Well metasandstones, Salton Sea geothermal field, California. Journal of Geophysical Research, 93(B11), 13081–13103.
Cho, M., Liou, J.G. and Maruyama, S., 1986, Transition from the zeolite to prehnite-pumpellyite facies in the Karmutsen metabasites, Vancouver Island, British Columbia. Journal of Petrology, 27, 467–494.
Coombs, D.S., Nakamura, Y. and Vuagnat, M., 1976, Pempellyiteactinolite schists of the Taveyanne Formation near Loèche, Valais, Switzerland. Journal of Petrology, 17, 440–471.
Davies, R.E.S., 1982, The geology of the Marian Cove area, King George Island, and a Tertiary age for the supposed Jurassic volcanic rocks. Bulletin of British Antarctic Survey, 51, 151–165.
Deer, W.A. (ed.), 1992, An introduction to the rock-forming minerals. Longman, New York, 696 p.
Digel, S. and Ghent, E.D., 1994, Fluid-mineral equilibria in prehnitepumpellyite to greenschist facies metabasites near Flin Flon, Manitoba, Canada: implications for petrogenetic grids. Journal of Metamorphic Geology, 12, 467–477.
Digel, S. and Gordon, T.M., 1995, Phase relationships in metabasites and pressure-temperature conditions attending the prehnitepumpellyite to greenschist transition, Flin Flon, Manitoba, Canada. In: Schiffman, P. et al. (eds.), Low-Grade Metamorphism of Mafic Rocks. Geological Society of America, Special Paper, 296, 67–80.
Droop, G.T.R., 1985, Alpine metamorphism in the south-east Tauren Window, Austria. 1. P-T variations in space and time. Journal of Metamorphic Geology, 3, 371–402.
Ernst, W.G., Liou, J.G. and Moore, D.E., 1981, Multiple metamorphic events recorded in Tailuko amphibolites and associated rocks of the Suao-Nanao area, Taiwan. Memoir of the Geological Society of China, 4, 391–441.
Essene, E.J. and Peacor, D.R., 1995, Clay mineral thermometry-a critical perspective. Clay and Clay Minerals, 43, 540–553.
Frimmel, H.E., 1997, Chlorite thermometry in the Witwatersrand Basin: constraints on the Paleoproterozoic geotherm in the Kaapvaal Craton, South Africa. The Journal of Geology, 105, 601–615.
Fuhrman, M.L. and Lindsley, D.H., 1988, Ternary-feldspar modeling and thermometry. American Mineralogist, 73, 201–216.
Hawkes, D.D., 1961, The geology of the South Shetland Islands: 1. The petrology of King George Island. Falkland Islands Dependencies Survey Scientific Reports, 26.
Hey, M.H., 1954, A new review of the chlorites. Mineralogical Magazine, 30, 277292.
Hoefs, J., 1987, Stable isotope geochemistry. Springer-Verlag, Germany, 241 p.
Holland, T.J.B. and Powell, R., 1990, An enlarged and updated inter-nally consistent thermodynamic dataset with uncertainties and correlations: the system K2O−Na2O−CaO−MgO−MnO−FeO−Fe2O3−Al2O3−TiO2−SiO2−C−H2−O2. Journal of Metamorphic Geology, 8, 89–124.
Hwang, J. and Lee, J.I., 1998, Hydrothermal alteration and mineralization in the granodioritic stock of the Barton Peninsula, King George Island, Antarctica. Economic and Environmental Geology, 31, 171–183.
Jin, M.-S., Lee, M.-S., Kang, P.-J. and Jwa, Y.-J., 1991, Petrology and geochemistry of the volcano-plutonic rocks in the Barton and Weaver Peninsula, King George Island, Antarctica. Korean Journal of Polar Research, 2, 107–134.
Jowett, E.C., 1991, Fitting iron and magnesium into the hydrothermal chlorite geothermometer. Paper presented at the GAC/MAC/SEG Joint Annual Meeting. Toronto, Canada, 2729 May.
Jwa, Y.-J., Park, B.-K. and Kim, Y., 1992, Geochronology and geochemistry of the igneous rocks from Barton and Fildes peninsulas, King George Island: a review. In Yoshida, Y. et al. (eds.), Recent progress in Antarctic earth science (Abstract Volume), Terra Scientific Publishing, Tokyo, p. 439–442.
Kang, P.-C. and Jin, M.-S., 1989, Petrology and geologic structures of the Barton Peninsula, King George Island, Antarctica. In Huh, H.T. et al. (eds.), Antarctic Science: Geology and biology (Abstract Volume), Korea Ocean Research and Development Institute, Seoul, p. 121–135.
Kawachi, Y., 1975, Pempellyite-actinolite and contiguous facies metamorphism in part of the upper Wakatipu district, South Island, New Zealand. New Zealand Journal of Geology and Geophysics, 18, 401–441.
Kim, H., Lee, J.I., Choe, M.Y., Cho, M., Zheng, X., Sang, H. and Qiu, J., 2000, Geochronologic evidence for the Early Cretaceous volcanic activity in the Barton Peninsula, King George Island, Antarctica. Polar Research, 19, 251–260.
Kranidiotis, P. and MacLean, W.H., 1987, Systematics of chlorite alteration at the Phelps Dodge massive sulfide deposit, Matagami, Guebec. Economic Geology, 82, 1898–1911.
Laird, J., 1980, Phase equilibria in mafic schist from Vermont. Journal of Petrology, 21, 1–37.
Laird, J., 1988, Chlorites: Metamorphic petrology. In: Bailey, S.W. (ed.), Hydrous Phyllosilicates (exclusive of micas). Reviews in Mineralogy, Vol. 19, Mineralogical Society of America, Michigan, p. 405–453.
Laird, J. and Albee, A.L., 1981, Pressure, temperature, and time indicators in mafic schist: their application to reconstructing the polymetamorphic history of Vermont. American Journal of Science, 281, 127–175.
Leake, B.E., Woolley, A.R., Arps, C.E.S., Birch, W.D., Gilbert, M.C., Grice, J.D., Hawthorne, F.C., Kato, A., Kisch, H.J., Krivovichev, V.G., Linthout, K., Laird, J., Mandarion, J.A., Maresch, W.V., Nickel, E.H., Rock, N.M.S., Schumacher, J.C., Smith, D.C., Stephenson, N.C.N., Ungaretti, L., Whittaker, E.J.W. and Youzhi, G., 1997, Nomenclature of amphiboles: Report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. American Mineralogist, 82, 1019–1037.
Lee, J.I., Hwang, J., Kim, H., Kang, C.Y., Lee, M.J. and Nagao, K., 1996, Subvolcanic zoned granitic pluton in the Barton and Weaver Peninsulas, King George Island, Antarctica. In: Moriwaki, K. et al. (eds.), Proceedings of the 15th NIPR Symposium on Antarctic Geosciences. National Institute of Polar Research, Tokyo, p. 76–90.
Lee, J.I., Hur, S.D., Yoo, C.M., Yeo, J.P., Kim, H., Hwang, J., Choe, M.Y., Nam, S.H., Kim, Y., Park, B.-K., Zheng, X. and López-Martínez, J., 2002, Explanatory text of the geological map (1:10,000) of Barton and Weaver peninsulas, King George Island, Antarctica. Polar Sciences Laboratory, Korea Ocean Research and Development Institute, Seoul, 30 p.
Littlefair, M.J., 1978, The “quartz-pyrite” rocks of the South Shetland Islands, Western Antarctic Peninsula. Economic Geology, 73, 1184–1189.
Maruyama, S., Suzuki, K. and Liou, J.G., 1983, Greenschist-amphibolite transition equilibria at low pressure. Journal of Petrology, 24, 583–604.
Offler, R., Mcknight, S. and Morand, V., 1998, Tectonothermal history of the western Lachlan Fold Belt, Australia: insight from white mica studies. Journal of Metamorphic Geology, 16, 531–540.
Pankhurst, R.J. and Smellie, J.L., 1983, K−Ar geochronology of the South Shetland Islands, Lesser Antarctica: apparent lateral migration of Jurassic to Quaternary island arc volcanism. Earth and Planetary Science Letters, 66, 214–222.
Park, B.-K., 1989, Potassium-argon radiometric ages of volcanic and plutonic rocks from the Barton Peninsula, King George Island, Antarctica. Journal of the Geological Society of Korea, 25, 495–497.
Park, M.-E., 1991, Epithermal alteration and mineralization zoning within the stratavolcano, Barton Peninsula, King George Island. Korean Journal of Polar Research, 2, 141–154.
Robinson, P., Spear, F.S., Schumacher, J.C., Laird, J., Klein, C., Evans, B.W. and Doolan, B.L., 1982, Phase relations of metamorphic amphiboles: natural occurrence and theory. In: Veblen, D.R. and Ribbe, P.H. (eds.), Amphiboles: petrology and experimental phase relations. Reviews in Mineralogy, Vol. 9B, Mineralogical Society of America, Michigan, p. 12–27.
Schmidt, D., Schmidt, S.Th., Mullis, J., Mahlmann, R.E. and Frey, M., 1997, Very low grade metamorphism of the Taveyanne formation of Western Switzerland. Contribution to Mineralogy and Petrology, 129, 385–403.
Smellie, J.L., Pankhurst, R.J., Thomson, M.R.A. and Davies, R.E.S., 1984, The geology of the South Shetland Islands: VI. stratigraphy, geochemistry and evolution. British Antarctic Survey Scientific Reports, 87.
So, C.-S., Yun, S.-T. and Park, M.-E., 1995, Geochemistry of a fossil hydrothermal system at Barton Peninsula, King George Island. Antarctic Science, 7, 63–72.
Terabayashi, M., 1993, Compositional evolution in Ca-amphibole in the Karmutsen metabasites, Vancouver Island, British Columbia, Canada. Journal of Metamorphic Geology, 11, 677–690.
Tokarski, A.K., 1988, Structural analysis of Barton Peninsula (King George Island, West Antarctica): an example of volcanic are tectonics. Studia Geologica Polonica, 95, 53–63.
Willan, R.C.R. and Kelley, S.P., 1999, Mafic dike swarms in the South Shetland Islands volcanic are: Unravelling multiepisodic magmatism related to subduction and continental rifting. Journal of Geophysical Research, 104, 23051–23068.
Willan, R.C.R. and Armstrong, D.C., 2002, Successive geothermal, volcanic-hydrothermal and contact-metasomatic events in Cenozoic island-are basalts, South Shetland Islands, Antarctica. Geological Magazine, 139, 209–231.
Zang, W. and Fyfe, W.S., 1995, Chloritization of the hydrothermally altered bedrock at the Igarapé Bahia gold deposit, Carajás, Brazil. Mineralium Deposita, 30, 30–38.
Zheng, X., Hu, S., Liu, J. and Sàbat, F., 1997, New40Ar/39Ar age evidence for the Cretaceous volcanic rocks of the Mount Bowles Formation in Livingston Island, South Shetland Islands. Chinese Journal of Polar Science, 8, 89–95.
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Kim, H., Cho, M. & Lee, JI. Thermal metamorphism of volcanic rocks on Barton Peninsula, King George Island, Antarctica. Geosci J 6, 303–317 (2002). https://doi.org/10.1007/BF03020615
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DOI: https://doi.org/10.1007/BF03020615