Geologica Carpathica – Clays

Volume 2, 1993, No. 1

Content

• D. Johns, W. - Ulkus, R.: CLAY MINERAL ACTIVATORS AND HYDROCARBON GENERATION DURING EXPERIMENTAL KEROGEN PYROLYSIS. / p. 3
• Komadel, P. - W. Stucki, J. - Cicel, B.: READILY HCl-SOLUBLE IRON IN THE FINE FRACTIONS OF SOME CZECH BENTONITES. / p. 11
• Bahranowski, K. - M. Serwicka, E.: PREPARATION AND PHYSICO-CHEMICAL CHARACTERIZATION OF VANADIUM-DOPED PILLARED MONTMORILLONITES. / p. 17
• Jakus, V.: CATALYTIC ACTIVITY OF THE BLEACHING CLAY ON CONDENSATION OF METHYL-N-PHENYLCARBAMATE WITH METHYLENATION AGENTS. / p. 21
• B. Smoliar-Zviagina, B. - A. Drits, V.: EVALUATION OF TETRAHEDRAL Al IN TRIOCTAHEDRAL CHLORITES FROM b AND d₀₀₁ DATA. / p. 25
• Coban, F.: GEOLOGICAL AND MINERALOGICAL CHARACTERIZATION OF THE SUNGURLU BENTONITES, CORUM — TURKEY. / p. 27
• Filizova, L. - Petrova, N. - N. Kirov, G.: ION-EXCHANGE OF CLINOPTILOLITE IN SOLUTIONS WITH DIFFERENT CONCENTRATION: A CALORIMETRIC STUDY. / p. 31
• Yanev, Y. - Ildefonse, P. - Stefanov, D.: CHEMICAL CHARACTERIZATION OF CLAY MINERALS ASSOCIATED WITH ZEOLITIZATION OF PERLITES (BOROVITZA, EASTERN RHODOPES, BULGARIA). / p. 35
• Sucha, V. - Konecny, V. - Lexa, J. - Gerthofferova, H.: SYNGENETIC ALTERATION OF ANDESITE VOLCANOCLASTIC ROCKS OF THE NERESNICA FORMATION IN AN AQUATIC ENVIRONMENT (JAVORIE, WESTERN CARPATHIANS). / p. 43
• Ernst, A. - Greiser, N.: INVESTIGATIONS OF Cu-ADSORPTION ON SUSPENDED MATTER FLOCS FORMED BY BACTERIA AND CLAY MINERALS. / p. 49
• Hofierka, J. - Zlocha, M.: APPLICATION OF SURFACE AND VOLUME GEOMETRY ANALYSIS IN GEOSCIENCES. / p. 55