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Publisher © Czech Geological Survey, ISSN: 2336-5757 (online), 0514-8057 (print)

Sulphide and U-Zr-Ti mineralization in unsilicified and silicified sandstones of the Březno Fm. (Milštejn, Lužické hory Mts.)

Karel Malý

Geoscience Research Reports 39, 2006 (GRR for 2005), pages 114–117

Keywords: geology, Sandstones, Bohemian Cretaceous Basin, Mineralogy, Czech Republic, Quartzites, ore minerals, U-Zr-Ti phase, Březno Formation

Full text (PDF, 0.07 MB)

Abstract

Coniacian quartzose sandstones of the Březno Formation build a prominent crest with the ruin of the Milštejn Castle, ca. 5 km N of Cvikov. The sandstones host irregular quartzite bodies. which were found to contain specific ore mineralization with pyrite, sphalerite, anatase and a U-Zr-Ti phase. This mineralization is older than the silicification process and parallels Cenomanian occurrences reported from the Stráž and Tlustec blocks of the Bohemian Cretaceous Basin.