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Rentgenově difrakční analýzy vzorků z výplní jeskyní ve Slovinsku
Bosák, Pavel ; Melka, Karel ; Zupan Hajna, N.
Totally 85 X-ray diffraction patterns were performed from 21 samples of cave sediments from various caves in Slovenia. The most interesting are samples Nos. 15 and 16 composed nearly completely by smectite. Randomly interestratified structure of chlorite (60 %) and smectite (40 %) was identified in samples Nos. 9 and 10. Admixtures of magnetite (No. 4), haematite (Nos. 4, 13), goethite, (No. 14) and boehmite (No 13) were recorded in some samples. Phyllosilicates are mostly represented by chlorite, mica, micaceous mineral (illite?), in lesser extent by kaolinite and in one sample probably by vermiculite (No. 11). Quartz and sometimes calcite represent prevailing minerals. Feldspar (mostly plagioclase) is common constituent, nevertheless in lesser amounts. One sample (No. 11) contained amphibole.

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1 Melka, Kryštof
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