New annealing method maintains the structure of gold, silver in alloys
The development will prove useful in the manufacture of contact lenses, holographic optical elements and other optical components.
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Glencore hails trading unit outlook, cuts copper guidance
It said earnings from its marketing unit will “comfortably” top the highest end of its guidance range of $2.2 billion to $3.2 billion.
China locks down part of its northern hub for coal shipping
The city in Hebei province has locked down its Haigang district, which includes the port, after infections were found in the area.
Silver Lake axes gold sales guidance on virus
Other Australian miners Fortescue and Newcrest also said their operations were being affected by Covid-related disruptions.
Newcrest quarterly gold output jumps 10% as Cadia production soars
Production at the flagship Cadia gold mine in New South Wales soared 30% sequentially.
Vale first-quarter net profit falls 19.6%, but beats expectations
Vale cited lower sales of iron ore fines and pellets due to an intense rain season in top mining state Minas Gerais.
Vale unveils ‘massive’ buyback program amid iron windfall
The program represents around 10% of Vale's outstanding shares.
Charting the gold-to-silver ratio over 200 years
This graphic charts 200 years of the gold-to-silver ratio, plotting the pivotal historical events that have shaped its peaks and valleys.
Business group blasts Mexico’s new lithium law as violating trade deal
The business group warned that Mexico will have to compensate companies with active mining concessions if their rights are violated.
