Calcite vein associated with biotite and pyrrhotite in Svecofennian marble, Precambrian basement of Estonia
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Calcite vein associated with biotite and pyrrhotite in Svecofennian marble, Precambrian basement of Estonia

by Sophie Graul, Tallinn University of Technology, Tallinn, Estonia and France

Small calcite blasts in a marble body from the Uljaste area, Alutaguse province, Estonia.