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Mineral chemistry of regional chloritoid assemblages in the Chlorite Zone, Lycian Nappes, South-west Turkey

Published online by Cambridge University Press:  05 July 2018

J. R. Ashworth
Affiliation:
Department of Geological Sciences, University of Aston in Birmingham, Gosta Green, Birmingham B4 7ET
M. M. Evirgen
Affiliation:
Hidrojeoloji Mühendisliği Bölümü, Mühendislik Fakültesi, Hacettepe Üniversitesi, Beytepe Kampüsü, Ankara, Turkey

Abstract

In the Ören area at the base of the Lycian Nappes, chloritoid is common on a regional scale. Mn and inferred Fe3+ contents are low. Chloritoid + quartz occur rather than the more hydrous equivalent pyrophyllite + chlorite, Fe/(Fe + Mg) values in chlorite ranging down to 0·27. Calcite and dolomite, which coexist with chloritoid and pyrophyllite, give a temperature estimate of 350± 30°C, implying moderate to high activities of water for pyrophyllite stability. Muscovite-paragonite geothermometry is unreliable. Mg/Fe distribution coefficients between chloritoid and chlorite differ systematically from literature values from higher grades (biotite and garnet zones). Intensity of colour in chloritoid correlates with inferred Fe3+ content, which decreases outwards in grains showing prograde growth zoning.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1984

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References

Albee, A. L. (1972) Geol. Soc. Am. Bull. 83, 3249–68.CrossRefGoogle Scholar
Albee, A. L. Bingham, E., Chodos, A. A., and Maynes, A. D. (1965) J. Petrol. 6, 246301.CrossRefGoogle Scholar
Ashworth, J. R., and Evirgen, M. M. (1983) Geol. Mag. (submitted).Google Scholar
Atherton, M. P. (1980) J. Earth Sci. R. Dubl. Soc. 3, 101–9.Google Scholar
Baltatzis, E. (1979) Contrib. Mineral. Petrol. 69, 193200.CrossRefGoogle Scholar
Atherton, M. P. (1980) Neues Jahrb. Mineral. Mh. 306–13.Google Scholar
Bickle, M. J., and Powell, R. (1977) Contrib. Mineral. Petrol. 59, 281–92.CrossRefGoogle Scholar
Brindley, J. G, and Elsdon, R. (1974) Sci. Proc. R. Soc. Dubl. A5, 123–9.Google Scholar
Caglayan, M. A., Oztiirk, E. M., Oztiirk, Z., Sav, H., and Akat, U. (1980) Jeoloji Muhendisligi. 10, 9–17.Google Scholar
Chatterjee, N. D., and Froese, E. (1975) Am. Mineral. 60, 985–93.Google Scholar
Cruickshank, R. D., and Ghent, E. D. (1978) Contrib. Mineral. Petrol. 65, 333–9.CrossRefGoogle Scholar
Deer, W. A., Howie, R. A., and Zussman, J. (1982) Rock-forming Minerals , Vol. 1A, 2nd edn. Longman, London.Google Scholar
Droop, G. T. R. (1981) Schweiz. Mineral. Petrogr. Mitt. 61, 231–73.Google Scholar
Eugster, H. P., Albee, A. L., Bence, A. E., Thomson, J. B. Jr., and Waldbaum, D. R. (1972) J. Petrol. 13, 147–79.CrossRefGoogle Scholar
Evirgen, M. M., and Ashworth, J. R. (1983) Lithos (submitted).Google Scholar
Fox, J. S. (1971) Geol. Mag. 108, 205–19.CrossRefGoogle Scholar
Evirgen, M. M. (1975) Ibid, 112, 547–64.Google Scholar
Frey, M. (1978) J. Petrol. 19, 95135.CrossRefGoogle Scholar
Gutnic, M., Monod, O., Poisson, A., and Dumont, J. (1979) Mem. Soc. Geol. Fr. 137.Google Scholar
Haas, H., and Holdaway, M. J. (1973) Am. J. Sci. 273, 449–64.CrossRefGoogle Scholar
Halenius, U., Annersten, H., and Langer K. (1981) Phys. Chetn. Minerals 7, 117–23.CrossRefGoogle Scholar
Helgeson, H. C, Delany, J. M, Nesbitt, H. W., and Bird, D. K. (1978) Am. J. Sci. 278–A.Google Scholar
Hock, V. (1974) Schweiz. Mineral. Petrogr. Mitt. 54, 567–93.Google Scholar
Hollister, L. S. (1969) Geol. Soc. Am. Bull. 80, 2465–94.CrossRefGoogle Scholar
Hoschek, G. (1969) Contib. Mineral. Petrol. 22, 208–32.CrossRefGoogle Scholar
Katagas, C, and Sapountzis, E. (977) Neues Jahrb Miner. Abh. 129, 100–12.Google Scholar
Kerrick, D. M., and Jacobs, G. K. (1981) Am. J. Sci. 281, 735–67.CrossRefGoogle Scholar
Kramm, U. (1973) Contrib. Mineral. Petrol. 41, 179–96.CrossRefGoogle Scholar
Liou, J. G., and Chen, P.-Y. (1978) Lithos. 11, 175–87.CrossRefGoogle Scholar
Mposkos, E., and Perdikatzis, V. (1981) Neues Jahrb. Miner. Abh. 142, 292308.Google Scholar
Plimer, I. R., and Moazez-Lesco, Z. (1979) Ibid. 135, 180–9.Google Scholar
Powell, R. (1978) Equilibrium Thermodynamics in Petrology. Harper and Row, London.Google Scholar
Rumble, D. III (1978) J. Petrol. 19, 317–40.CrossRefGoogle Scholar
Thompson, A. B. (1976) Am. J. Sci. 276, 401–54.CrossRefGoogle Scholar
Thompson, J. B. Jr., and Norton, S. A. (1968) In Studies in Appalachian Geology, Northern and Maritime (Zen, E-an et al., eds.). Interscience, New York 319–27.Google Scholar
Winkler, H. G. F. (1979) Petrogenesis of Metamorphic Rocks, 5th edn. Springer-Verlag, New York.Google Scholar
Zen, E-an (1960) Am. Mineral. 45, 129–75.Google Scholar