Capital is flowing back into junior mining, but selectively. Investment is increasingly favouring development‑stage assets with clearer paths to production, supported by government funding and strategic partnerships. While demand for critical minerals underpins the cycle, early‑stage explorers continue to struggle for capital as investors prioritise discipline, ESG alignment and near‑term cash flow.

Copper in concentrate production from Ivanhoe Mines’ Kamoa-Kakula complex in the Democratic Republic of Congo (DRC) fell to 61,906 tonnes in the first quarter, down by 54% from 133,120 tonnes a year earlier, with the company now evaluating local third-party concentrate purchases to advance the ramp-up of its on-site smelter, according to an April 13 production release as the market focused its attention on the impact of global sulfuric acid shortages during CESCO Week in Chile from April 13-17.

China’s planned sulfuric acid export ban from May 1, historic lows for copper concentrates treatment and refining charges (TC/RCs) and a fragmenting 2026 benchmark system dominated CESCO Week 2026 in Santiago from April 13-17.

Mitsui & Co has locked in long-term copper concentrate supply by acquiring 40% offtake rights to Argentina’s Josemaria deposit, while Fortescue has completed its acquisition of Peru’s Cañariaco project for approximately C$139 million ($101 million), marking the latest in a wave of offtake deals and mergers and acquisitions (M&A) while majors race to secure supply amid an increasingly constrained market and record-low treatment charges (TCs).

Jeddah in Saudi Arabia and Port of Sohar in Oman are becoming tactical workarounds for base metal exports blocked by the Strait of Hormuz closure, with cargo transiting via land-bridge to other Gulf states, such as Bahrain and the United Arab Emirates – though capacity constraints and elevated logistics costs limit availability, sources with direct visibility of Gulf supply chains told Fastmarkets.

Lundin Mining and BHP published a preliminary economic assessment on February 16 for their Vicuña joint venture, projecting average annual copper production of 395,000 tonnes over the first 25 years of operation as Argentina’s copper concentrate pipeline continues to build. PSJ Cobre Mendocino separately confirmed on February 14 that its feasibility study was under way.