Mineralogical characteristics of accessory minerals from Osiecznica deposit, SW Poland
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University of Wroclaw,
Technical University of Wroclaw
Publication date: 2006-01-01
Corresponding author
Antoni Muszer   

University of Wroclaw, Department of Geological Science, pl. Maksa Borna 1, Wroclaw, Poland
Physicochem. Probl. Miner. Process. 2006;40(1):77-88
The composition of the heavy mineral fraction from the glass sand in Osiecznica (Lower Silesia, SW Poland) was described. Accessory minerals are present in the gravity concentrate mainly as individual grains, whereas lower amounts occur as vein rocks debris, inclusions in quartz grains and heavy minerals. The sample under study contained the following minerals: rutile, anatase, hematite- goethite, ilmenite-leucoxene, zircon, monazite, xenotime, kyanite, pyroxenes, and quartz with inclusions of chalcopyrite, pyrite, pyrrhotite, sphalerite, pentlandite, arsenopyrite, and tetrahedrite- tennantite. Moreover, the presence of native gold and silver was determined. Major components of the concentrate are rutile, anatase, quartz with inclusions of ore minerals, zircon, and goethitized hematite. The other minerals occur in the amount below 2-3 vol. %. The content of native gold in the concentrate sample (0.11%) may be indicative of a significant concentration (around 1.5 g/Mg) of this metal in the Osiecznica deposit.
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