Ylöjärvi

Ylöjärvi, Tampere Belt, Finland

Other hydrothermalCu-W (As-Ag-Au)

Type: Tourmaline breccia-hosted Cu-W-As-Ag-Au

Deposit mined from 1942 to 1966 (about 4 Mt of ore, 28,322 t copper, 427 t tungsten, 567 t arsenic, 49.5 t silver and 0.27 t gold) in a tourmaline breccia derived from the Hämeenkyrö batholith (1885 ± 2 Ma), breccia uraninite dated at 1890 Ma. Talikka and Vuori (2010): breccia oxy-schorl from -9.8 to -7.8 ‰.

δ11B in ‰ (per mil) Values of the same system

Standard : NIST SRM 951

Value	Range	n	Mineral or matrix	Source
−8.7 ± 1.1 ‰	−9.8 / −7.8 ‰	4	tourmaline of the mineralized tourmaline breccia (oxy-schorl) Mean and standard deviation recalculated from 4 analyses, -9.8 to -7.8 (T10 -7.8; T10 -7.8; T10 -9.8; T10 -9.4).	Talikka & Vuori (2010), Geochemical and boron isotopic compositions of tourmalines from s…

Deposits of the same type

Pezinok Slovakia
Allchar North Macedonia
Mount Cer Serbia
Sardinia (argentiferous galenas) Italy
Almadén Spain
Wanshan China
Xunyang China
Suii Japan

Cite this page

IsoFind Atlas (2026). Ylöjärvi, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/ylojarvi/ (accessed 2026-10-20).

@misc{isofind2026ylojarviisotopesignatures,
  title = {Ylöjärvi, isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/deposits/ylojarvi/},
  note = {Accessed 2026-10-20}
}

Updated : 2026-10-20