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Hydrothermal alterations of rocks around ore deposits

Milko Kanazirski

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Year of Publication: 2011

Cover Type: Hard

Category: Geology

Edition: First Edition

Pages: 254

Format: 8x8.4x1

Language: Bulgarian

Summary

The book presents the main achievements of the world-renowned physicochemical petrology school of Russian academician D.S. Korzhinsky. It analyzes the theoretical basis of the accepted genetic classifications in metasomatic petrology. The main metasomatic formations and their corresponding ore-related changes are examined in detail. The possibilities of physicochemical analysis of mineral parageneses, as well as experimental and numerical modeling of mineral equilibria and metasomatic zonations, are demonstrated. The mineral equilibria in the K2O-Al2O3-SiO2-H2O-SO3 system, which is characteristic of epithermal gold deposits, are characterized in detail. A thermodynamic basis for the separation of the acid-sulfate and adular-sericite types of alteration in these deposits is proposed. The results of physicochemical petrological studies of the ore-related alterations in the gold-alunite deposit of Rodalkilar (southeastern Spain) and in the epithermal deposits in the Panagyurishte ore district are presented. For the first time, data from the study of the crystal chemical aspect of metasomatic processes are presented.

Аbout The Author

• Milko Kanazirski: Milko Kanazirski was born in 1936. First, he graduated Geochemistry (1959), and later - Chemistry (1969) in Sofia State University (now Sofia University "St. Kliment Ohridski"). In 1964 he joined as a research associate in the Geological Institute. In 1982, he received the degree Candidate of geological-mineralogical sciences, in 1996 he became Doctor of Sciences in 1999 - Senior Research Fellow I degree. Between 1978 and 1985, he was Deputy Director of the Laboratory of Experimental and Technical Mineralogy and BAS Deputy Director of the Institute of Applied Mineralogy, Sofia. He was a member of the Academic Council at MTC Academy of Sciences and a member of the Specialized Scientific Council of geological sciences at the Higher Attestation Commission (HAC) and the Scientific Council of the Geological Institute. He has course "Wallrock alterations" for a master`s degree in Mining and Geology "St. Ivan Rilski"- Sofia. In 1972-1974, he worked in the composition of a group of geological mapping of the contract between Cuba Cuban Academy of Sciences and the Bulgarian Academy of Sciences. He has specialized in Academician VA Zharikov Institute of geology of ore deposits, petrography, mineralogy and geochemistry BP in the USSR and the Institute of Geology and Geophysics of the Siberian Department of Academy of Sciences of the USSR. He has a perennial scientific cooperation and joint publications with the eminent scientists Professor Dr. I. P. Ivanov and Prof. Dr. G. P. Zarayski from the Institute of Experimental Mineralogy in the USSR Academy of Sciences (today: Russian Academy of Sciences), representatives of the head in world science petrological physicochemical school of Academician D. C. Korzhinski. The scientific interests of Prof. Prof. Milko Kanazirski are in metsomatic petrology with emphasis on physical chemistry processes wallrock alterations - physical-chemical analysis of mineral paragenesis, experimental modeling of mineral equilibria and metsomatic zoning and numerical modeling of processes metsomatic. The original scientific contributions of the authors are associated with the study of the system K2O-Al2O3-SiO2-H2O-SO3, characteristic of acid-sulfate wallrock alteration type and crystal-chemistry aspect (structural and energy) of metsomatic processes.