Wspomnienie o Jerzym Kanasiewiczu w 20. rocznicę śmierci

Jerzy Kanasiewicz was born on May 9, 1934, in Lwów. In the years 1953-1958 he studied geology at the Mining Institute in Jekaterinburg (Russia - Ural Mts.). In 1958, he began to work in the Geological Insti¬tute in Warszawa, in the Department of Rare and Radio¬active Elements. In 1967, he defended his doctoral thesis titled: "Occurences of rhenium and selenium and some other accompanying elements in the Lower Zechstein cupri¬ferous series of the Fore-Sudetic Monocline". He took part in several scientific expeditions in Asia and Africa, as an expert. In Vietnam (1971), Jerzy Kanasiewicz evaluated industrial potential of the Nam Nam Xe rare earth deposits in the Lao Cai province. He also visited North Korea in 1975. In the years 1979-1981, he worked in India as an expert of the United Nations. He conducted exploration for gold, tin, lithium, niobium and tantalum pegmatite ores, together with Indian geologists. The investigations took place in the state of Madhya Pradesh. He also visited Malaysia at that time, where he had opportunity to acquaint with methods of identifications and documentation ofclastic tin ores of the global importance. In 1982, Jerzy Kanasiewicz visited Libya where was involved in exploration and evaluation of the uranium resources. In mid-1980s, he created an ambitious and innovative program of geochemical-mineralogical researches in the Sudetes and Fore-Sudetic Block. He died untimely in Warszawa on August 24, 1992.