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.

CEO Jon Awde shares with The Gold Report readers his plans for moving the Railroad-Pinion project forward in 2016.

Low copper prices have forced the Vancouver-based firm to lay-off more than one-third of the workforce at its Huckleberry mine in northwestern British Columbia.

Eleven of the 28 deaths last year occurred at coal mines, a sector that has seen employment decrease significantly in recent years, especially in Appalachia.