Pb-Zn and minor U mineralization at Tyndrum, Scotland.

R. A D Pattrick

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    This mineralization occurs as veins and vein breccias in fractures associated with the Tyndrum-Glen Fyne fault. Quartz, galena and sphalerite, with minor chalcopyrite and baryte, are accompanied by small inclusions (in the galena-rich veins) of tetrahedrite, pyrargyrite, marcasite and pyrite. Uraniferous veins post-date the main Pb-Zn mineralization and contain uraninite, calcite, baryte, galena, sphalerite, chalcopyrite, argentite, chalcocite, tetrahedrite and safflorite. Fluid inclusion studies indicate a mineralizing solution with approx 20 wt.% equiv. NaCl + KCl, a Na/K ratio of 3:1 and which was boiling during mineral precipitation. The depositional sequence is discussed.-R.A.H.
    Original languageEnglish
    Pages (from-to)671-681
    Number of pages10
    JournalMineralogical Magazine
    Issue number5
    Publication statusPublished - 1985


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