Chagai as a low‑carbon battery minerals hub: project and risk notes for mine planners
Reviewed by Joe Ashwell

First reported on MINING.com
30 Second Briefing
Pakistan’s Chagai district is being positioned as a potential low‑carbon battery minerals hub by leveraging the Reko Diq porphyry complex (18 systems, planned 80 Mt/y ore throughput) alongside Saindak and multiple copper prospects such as Siah Diq and Dasht‑e‑Kain. Lithium targets span salar-style systems at Hamun‑e‑Mashkel and Hamun‑i‑Lora to geothermal and brine prospects at Koh‑i‑Sultan, Chiken Diq and Dasht‑e‑Talab, but all require systematic drilling and compliant resource estimates. Realising integrated mining, smelting and refining will hinge on exploiting a 10,000 sq. km wind corridor (up to 9.5 m/s), 120–150°C geothermal springs, TIR‑enabled road/rail links and credible tailings, water and security frameworks.
Technical Brief
- Canadian aeromagnetic surveys in the 1960s mapped 48 porphyry systems across Chagai, defining copper prospectivity.
- Siah Diq near Mashki Chah is described as Chagai’s largest individual porphyry, plus a second 2.16 sq. km body.
- Additional copper prospects named include Dasht-e-Kain, Ting-Dargun, Ziarat Pir Sultan, Machi, Ganshero and Ziarate.
- Lithium indications span salar-style settings at Hamun-e-Mashkel and Hamun-i-Lora to brine targets at Hamun-i-Kuchakki and Panjgur Kaps.
- Geothermal springs at Koh-i-Sultan reach 120–150°C, suggesting potential for binary-cycle power generation.
- Wind resource estimates of up to 9.5 m/s over ~10,000 sq. km imply multi‑GW onshore capacity.
- Road and rail corridors under the Transports Internationaux Routiers system could enable bonded through‑haul to West and Central Asia.
- Arid conditions make engineered tailings storage, water conservation and wastewater treatment central to any large‑scale processing design.
- Governance, security and environmental safeguards are framed as prerequisites for bankable PPP‑financed smelting and refining investments.
Our Take
With the International Energy Agency’s forecast of a three‑ to four‑fold rise in critical minerals demand by 2030–2040 and Reko Diq’s planned 80 Mt/y ore throughput, Chagai’s porphyry belt is positioned in our database alongside only a handful of large‑scale copper stories that could materially influence regional supply for EV and renewables infrastructure.
Reported 9.5 m/s wind speeds in Western Chagai and 120–150°C geothermal gradients around the Koh‑i‑Sultan volcanic system imply that, unlike many copper districts in our coverage, a low‑carbon power backbone for mines and processing plants could realistically be built from local wind–geothermal hybrids rather than imported fossil generation.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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