Porphyry copper(?) prospect in Häme, Finland

Names and other identifiers

Tract name Tampere (150pCu6110)
Site status prospect

Geographic location

Country Finland
State or province Häme
Geographic location 23.499051689, 61.608975791
Geologic map unit 23.499051689, 61.608975791
Nearby data

Geologic information

Deposit type Porphyry copper(?)
Age (Ma) 1890Ma
Age determination method Geologic inference
Age range 1.89 Ga ?
Age reference Clark (1965); Himmi and others (1979)
Tectonic setting unknown
Stratigraphic age Precambrian

Commodity and development information

Development status Occurrence
Major commodities Cu, W, Ag, Au
Gold-Moly ratio -9999

Reference information

Comments W-Cu deposit in quartz-tourmaline breccia. Mined 4 Mt at 0.75% Cu, 0.11% W, 13.9 g/t Ag, and 0.04 g/t Au.
Study area name Finland
References Clark (1965); Himmi and others (1979)
Site reference Rasilainen and others (2014)
Clark, A.H., 1965, The composition and conditions of formation of arsenopyrite and löllingite in the Ylöjärvi copper-tungsten deposit, southwest Finland: Bulletin de la Commission geologique Finlande 217, 56 p.
Himmi, R., Huhma, M., and Häkli, T.A., 1979, Mineralogy and metal distribution in the copper-tungsten deposit at Ylöjärvi, Southwest Finland: Economic Geology, vol. 74, p. 1183–1197.