Mined (1758 to 1955) from surface to 250m level yielding 0.925 Mt of 1.32% Cu, 1.03% Zn* from massive sulfides within intensely altered (tremolite-anthophyllite-cordierite) felsic volcanics (leptites) within extension of Bergslagen Belt in Southern Finland; poorly tested below deepest level; potential for discovery of additional ore at depth and along strike; similar alteration pipes occur along strike to east for 1km and 3km to west.