Mining sector says new tax would add uncertainty to investment decisions needed to help fill a global copper supply deficit.

Prior to this development, less than 10% of the melting temperatures of the 200,000-plus inorganic compounds that have been identified on earth were known.

Activities at the Atacocha San Gerardo mine are limited to critical operations with a minimum workforce to ensure proper maintenance.

The figure was reached after five new sites, including Antofagasta’s Antucoya mine and Capstone’s Mantos Blancos and Mantoverde, joined Copper Mark.

In a paper published in the journal Nature, the researchers explain that the new battery architecture uses aluminum and sulphur as its two electrode materials.

New shareholder resolution calls on the company to help lobby for a new emissions trading scheme and for phasing out fossil fuel subsidies.