Vörös A. szerk.: Fragmenta Mineralogica Et Palaentologica 11. 1983. (Budapest, 1983)

marked differences in chemical composition and zoning pattern among individual garnet grains in the same rock sample may be best explained by assuming local changes in composition of the metasomatizing fluids during the formation of the garnet-rich aplitic granite. REFERENCES ATHERTON, M. P. & EDMUNDS, W. M. (1 966): An electron microprobe study of some zoned garnets from metamorphic rocks. - Earth Planet. Sei. Lett., 1; 185-193. BLACK, P.M. (1 973): Mineralogy of New Caledonian metamorphic rocks I: Garnets from the Ouegoa District. - Contrib. Mineral. Petrol., 38: 221-235. BROUSSE, R. , BIZOUARD, H. & SALAT, J. (1972); Grenats des andésites et des rhyo­lites de Slovaquie, origine des grenats dans les séries andésitiques. - Contrib. Mi­nerai. Petrol., _35; 201-213. DUDLEY, P.P. (1 969): Electron microprobe analyses of garnet in glaucophane schists and associated eclogites. - Am. Min., 54: 1 139-1150. EMBEY-ISZTIN, A. (1981): Statistical analysis of major element patterns in basaltic rocks of Hungary. - Acta geol. hung., 24: 351-368. EMBEY-ISZTIN, A & NOSKE-FAZEKAS, G. (1981): Chemical zoning in the large pheno­crysts of the Godóvár Tuff, Börzsöny Mts. , Hungary. - Contrib. Mineral. Petrol. , 7_7; 325-331. FITTON, J. G. (1972): The genetic significance of almandine-pyrope phenocrysts in the calc-alkaline Borrowdale Volcanic Group, Northern England. - Contrib. Mineral. Petrol. , 36: 231-248. GILL, J. (1981): Orogenic andésites and plate tectonics. - Berlin - Heidelberg - New York, 390 pp. GOODSPEED, G. E. (1940): Dilatation and replacement dikes. - J. Geol., 48; 1 75-196. GREEN, J.N. (1915): The garnets and streaky rocks of the English Lake District. - Min. Mag., J_7: 207-217. GREEN, T. H. (1972): Crystallization of calc-alkaline andésite under controlled high-pres­sure hydrous conditions. - Contrib. Mineral. Petrol., 34: 150-166. GREEN, T. H. & RINGWOOD, A.E. (1968): Origin of the garnet phenocrysts in calc-alka­line rocks. - Contrib. Mineral. Petrol., j_8: 163-174. GREEN, T. H. & RINGWOOD, A.E. (1 968a): Genesis of the calc-alkaline igneous rock suite. - Contrib. Mineral. Petrol., j_8: 105-162. HILLS, E. S. (1 959): Cauldron subsidences, granitic rocks and crustal fracturing in S.E. Australia. - Geol. Rundschau, 47_: 543-561. HOLLISTER, L. S. (1966): Garnet zoning: An interpretation based on the Rayleigh fractio­nation model. - Science, 154 : 1647-1651. IRWING, A.J. & FREY, F. A. (1978): Distribution of trace elements between garnet mega­crysts and host volcanic liquids of kimberlitic to rhyolitic composition. - Geochim. Cos­t mochim. Acta, _42: 771-787. JONAS, J. (1820): Ungarns Mineralreich orycto-geognostisch und topographisch darges­tellt. - Pesth, XLVIII +414 pp. KANO, H. & YAHIMA, R. (1 976): Almandine-garnets of acid magmatic orogin from Ya­manogawa, Fukushima Prefecture and Kamitazawa, Yamagata Prefecture. - J. Jpn. Assoc. Mineral. Petrol. Econ. Geol., 7J_: 106-119. KEESMANN, I., MATTHES, S. , SCHREYER, W. & SEIFERT, F. (1971); Stability of al­mandine in the system FeO-(Fe O )-Al O -SiO -(H O) at elavated pressures. ­Contrib. Mineral. Petrol., 3J.: 132-144. KING, B.C. (1948): The form and structural features of aplite and pegmatite dikes and veins and the criteria that indicate a nondilatational mode of emplacement. - J. Geol. , 56: 459-475. KUNO, H. (1969): Pigeonite-bearing andésite and associated dacite from Asio, Japan. ­Am. J. Sei., Schairer vol. 267: 257-268. MAURITZ, B. (1910): Magyarországi kőzetalkotó ásványok. (Über einige gesteinbildende Mineralien aus Ungarn.) - Földt. Közl. , 40: 541-550.

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