Sökning: "Proterozoic hydrothermal alteration"
Hittade 1 uppsats innehållade orden Proterozoic hydrothermal alteration.
1. Proterozoic hydrothermal alteration and mineralization along the Protogine Zone in southern Sweden
Magister-uppsats, Lunds universitet/Geologiska institutionenSammanfattning : 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. LÄS MER
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