Ylöjärvi, Porphyry copper(?) prospect

Ylöjärvi

Porphyry copper(?) prospect in Häme, Finland

Names and other identifiers

GMRAP ID	9995
Tract name	Tampere (150pCu6110)
Site status	prospect

Geographic location

Country	Finland
State or province	Häme
Geographic location	23.499051689, 61.608975791 (click for info)
Geologic map unit	23.499051689, 61.608975791
Nearby data	List Map

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. 11831197.