
ASX-listed exploration company with copper-gold projects in Sweden and a potash project in Germany
Turnstone Resources Ltd
Australia (headquarters) · Värmland, Sweden · Ohmgebirge/Thuringia, GermanyNew on Amplifa
About Turnstone Resources
Turnstone Resources Ltd (formerly South Harz Potash Limited) is an Australia-based exploration company listed on the Australian Securities Exchange (ASX: TSR, ISIN AU0000460404). The company pursues a multi-asset strategy in critical minerals in Europe. The portfolio includes the copper-gold projects Glava-Klinten (approx. 50 km², licences Glava 100/200/300 and Klinten 100) and Torsby West (63 km², licences Mangens 100, Bockgruvan 100 and Kyrkskogen 100) in the province of Värmland in Sweden, as well as the 100 % owned Ohmgebirge potash project in Thuringia with potash licences Ohmgebirge, Ebeleben and Mühlhausen-Nohra. The Mineral Resource Estimate for Ohmgebirge dated 31.03.2024 comprises 286 Mt of sylvinite with 13.12 % K2O and 91 Mt of carnallitite with 9.6 % K2O. The company explores epithermal and IOCG copper-gold mineralisation and conducts drone magnetic surveys; no production is currently in place.
- Site
- Australia (headquarters)
- Processes
- Copper-gold exploration and project development (epithermal, IOCG), Potash/chemical salt project development
- Materials
- Copper-Gold (epithermal, IOCG), Sylvinite/Carnallitite (potash salts), Cobalt (copper-gold-cobalt belt)
- Industries
- Critical Minerals, Copper-Gold Exploration, Potash Fertilizers
- 01
Licence acquisition
- 02
Exploration (including drone magnetics)
- 03
Resource estimation (MRE)
- 04
Project development
Commodities and Exploration Approaches
Copper-Gold (epithermal, IOCG)
Exploration target of the Swedish projects Glava-Klinten and Torsby West.
Sylvinite/Carnallitite (potash salts)
Cobalt (copper-gold-cobalt belt)
Part of the structurally controlled mineralisation corridor at Torsby West.
Projects and Licences
Headquarters Australia
AUAdministration/Management
Glava-Klinten, Värmland
SECopper-gold exploration project (Glava 100/200/300, Klinten 100), approx. 50 km²
- Drone magnetic surveys
Torsby West, Värmland
SECopper-gold exploration project (Mangens 100, Bockgruvan 100, Kyrkskogen 100), 63 km², 25 km mineralisation corridor
- Drone magnetic surveys
Ohmgebirge, Thuringia
DE100 % potash project; MRE 31.03.2024: 286 Mt sylvinite 13.12 % K2O, 91 Mt carnallitite 9.6 % K2O; licences Ohmgebirge,
Industries
Additional services
History
- 2023
Lawrence Berthelet becomes COO (01.01.2023).
- 2025
Build-out of a copper-gold portfolio (approx. 50 km²) in Värmland, Sweden, from late 2025.
- 2026
Renaming of South Harz Potash Ltd to Turnstone Resources Ltd (shareholder vote 16.03.2026) as part of the transformation into a European critical-minerals company.
- 2026
Leonard Jubber becomes CEO (03.08.2026); Ailsa Osborne becomes CFO/Company Secretary (14.10.2026).
- 2026
Drone magnetic surveys over Glava, Torsby West and Klinten completed.