Abstract
Mn- (and Ca-) enriched border fringes around resorbed garnets, and Mn-enriched zones along cracks in resorbed garnets and along intergranular boundaries in resorbed sievegarnets, indicate a limited diffusion of Mn (and some Ca) into the garnet structure.
Similar content being viewed by others
References
Anderson, D. E., Buckley, G. R.: Zoning in Garnets—Diffusion Models. Contrib. Mineral. Petrol. 40, 87–104 (1973)
Atherton, M. P.: The variation in garnet, biotite and chlorite composition in medium grade pelitic rocks from the Dalradian, Scotland, with particular reference to the zonation in garnet. Contrib. Mineral. Petrol. 18, 347–371 (1968)
Atherton, M. P., Edmunds, W. M.: An electron microprobe study of some zoned garnets from metamorphic rocks. Earth and Planetary Sci. Letters 1, 185–193 (1966)
Béthune, P. de, Laduron, D., Martin, H., Theunissen, K.: Grenats zonés de la Zone du Mont- Rose (Valle Anzasca, Prov. de Novara, Italie). Bull. Suisse Minéral. Pétrog. 48, 437–454 (1968)
Bocquet, J.: Il metamorfismo prealpino nella Vanoise (Savoia) e in altri settori dello zoccolo brianzonese. Boll. Soc. Geol. Ital. (1974)
Bocquet, J., Laduron, D., de Béthune, P.: Grenats zonés de la nappe du Grand-Saint-Bernard et de la zone piémontaise (Alpes occidentales). Mém. Inst. Géol. Univ. Louvain (1975, in preparation)
Chinner, G. A.: Almandine in thermal aureoles. J. Petrol. 3, 316–340 (1962)
Crawford, M. L.: Composition of plagioclase and associated minerals in some schists from Vermont, U.S.A., and South Westland, New Zealand, with inferences about the peristerite solvus. Contrib. Mineral. Petrol. 13, 269–294 (1966)
Edmunds, W. M., Atherton, M. P.: Polymetamorphic evolution of garnet in the Fanad aureole, Donegal, Eire. Lithos 4, 147–161 (1971)
Evans, B. W., Guidotti, C. V.: The sillimanite-potash feldspar isograd in Western Maine, U.S.A. Contrib. Mineral. Petrol. 12, 25–62 (1966)
Grant, J. A., Weiblen, P. W.: Retrograde zoning in garnet near the second sillimanite isograd. Am. J. Sci. 270, 281–296 (1971)
Hollister, L. S.: Garnet zoning: An interpretation based on the Rayleigh fractionation model. Science 154, 1647–1651 (1966)
Hollister, L. S.: Contact metamorphism in the Kwoiek Area of British Columbia: an end member of the metamorphic process. Geol. Soc. Am. Bull. 80, 2465–2494 (1969)
Okrusch, M.: Garnet-cordierite-biotite equilibria in the Steinach Aureole, Bavaria. Contrib. Mineral. Petrol. 32, 1–23 (1971)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
de Béthune, P., Laduron, D. & Bocquet, J. Diffusion processes in resorbed garnets. Contr. Mineral. and Petrol. 50, 197–204 (1975). https://doi.org/10.1007/BF00371039
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00371039