Essays about: "Proterozoic hydrothermal alteration"

Found 1 essay containing the words Proterozoic hydrothermal alteration.

  1. 1. Proterozoic hydrothermal alteration and mineralization along the Protogine Zone in southern Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Daniel Larsson; [1996]
    Keywords : geography; geology; Proterozoic hydrothermal alteration; mineralization; Protogine Zone; Sweden; Earth and Environmental Sciences;

    Abstract : Occurrences of high alumina rocks constituted by quartz, kyanite, rutile and Al-phosphates are spatially related with the Protogine Zone, a system of ductile and brittle deformation zones within the Proterozoic crust of southern Scandinavia. A hydrothermal origin has been proposed for high alumina rocks at Västanå, based on the chemistry of these rocks, while gradual transitions between magmatic rocks and high alumina rocks at Hökensås and Hålsjöberg suggest a similar origin. READ MORE