Given the rally in the gold price purchasing more than 19 tonnes may have cushioned the record $108 billion fall in China's forex reserves in December.

Copper price falls as much as 4.7% as chaos on Chinese stock markets and renminbi devaluation intensify growth fears for world's top metals buyer.

Prices fell Thursday for a second consecutive session. According to Metal Bulletin, the spot price for benchmark 62% fines dropped by 0.46%, or 20 cents, to $42.91 a tonne.

The alteration path from montmorillonite to muscovite can provide an indication of the proximity of an ore zone. In addition, it can also be hard to track, even for an experienced geologist. Mica alteration minerals including montmorillonite, phengite, sericite and muscovite can be identified using an oreXpress field spectrometer with optional EZ-ID mineral identification software.

The miner is one the very few bullion miners to have performed well during one of the most difficult markets conditions affecting gold producers in decades.

The massive gem, named the “The Star of Adam”, could sell for up to $175 million.

Only 0.6% of private capital raised in 2015 for natural resource investment is for mining projects–one wind farm fund attracted more than the entire sector.

The latest I-Site point cloud processing tools from Maptek focus on the everyday needs of mine surveyors for fast, accurate volumes, conformance reporting, geotechnical analysis and CAD design.

After-tax NPV 5% of c$455 million and IRR of 37 %; average life of mine annual gold production of 184,000 ounces and all-in sustaining costs of us$550/oz au.