EXPLORATION & DEVELOPMENT

Meckering reserve backs Altech plans

High Purity Alumina resource backs 30-year plan

Andrew Hobbs

The company announced a maiden ore reserve estimate of 1.2 million tonnes at 30% alumina in the minus 300 micron fraction, with a cut-off grade of 25% alumina. The reserve consisted of a 450,000 tonne...

Start a free trial to continue reading this article

Already have an account?

Subscribe now
MORE ON THIS TOPIC

Expert-led Insights reports and Analytics tools built on robust data, rigorous analysis and expert commentary covering mining Risk, Projects, ESG, Leadership, and Investor Sentiment.

Expert-led Insights reports and Analytics tools built on robust data, rigorous analysis and expert commentary covering mining Risk, Projects, ESG, Leadership, and Investor Sentiment.

editions

Investor Sentiment Insights 2026

Discover what investors have planned for mining in 2026 in our industry-leading survey

editions

World Risk Insights 2025 (feat. MineHutte ratings)

A detailed analysis of mining investment risks across 120 jurisdictions globally, assessed across six risk categories and an industrywide survey.

editions

ESG Index 2025: Benchmarking the Future of Sustainable Mining

The ESG Index provides an in-depth evaluation of the ESG performance of 60+ of the world’s largest mining companies. It assesses companies across 10 weighted indicators within 6 essential ESG pillars.

editions

Leadership Insights 2025

Leadership Insights reveals key trends in priority mining issues through interviews with 15+ top mining company executives and an industrywide survey.