Articles by Northern Miner Staff

The crushing facility at Sierra Metals' Yauricocha mine in Peru.

Sierra Metals unleashes Yauricocha’s full potential

LIMA, PERU — Sierra Metals (TSX: SMT; BVL: SMT) is proving up the underground potential of its Yauricocha silver–lead–copper–zinc–gold mine in west-central Peru. The low-cost underground mine is the company’s…


Trevali Mining's Santander zinc-lead-silver mine in Peru, 200 km northeast of Lima.  Credit: Trevali Mining

Trevali finds two new zones at Santander

Shares in Trevali Mining (TSX: TV; US-OTC: TREVF) got a little boost after the Vancouver-based firm reported two new zones of high-grade polymetallic mineralization at its Santander zinc–lead–silver underground mine in Peru.


Workers at a drill site at GoldQuest Mining's Romero gold-copper project in the Dominican Republic. Credit: Gold Quest Mining

GoldQuest’s PEA on Romero a ‘good start’

GoldQuest Mining (TSXV: GQC; US-OTC: GDQMF) has tabled a positive preliminary economic assessment (PEA) for its flagship project, consisting of the Romero and Romero South gold–copper deposits, two years after discovering the main deposit…





A drilling team in action at Pinecrest Resources' Enchi gold project in Ghana. Credit: Pinecrest Resources

Edgewater spins out Ghanaian gold into Pinecrest

VANCOUVER — Several months ago junior Edgewater Exploration (TSXV: EDW; US-OTC: EDWZF) was hit with a permitting delay at its flagship Corcoesto gold project, 35 km southwest of the port city of La Coruna in Spain. Edgewater had been…


The field camp at GoviEx Uranium's Madaouela uranium project in Niger. Credit: GoviEx Uranium

Govind Friedland to IPO GoviEx Uranium

GoviEx Uranium has filed a prospectus for an initial public offering with the securities commissions of Ontario and British Columbia and plans to use the net proceeds to pay for environmental and social impact assessments, as well as a pilot…



Processing facilities at Freeport-McMoRan Copper & Gold's Tenke Fungurume mine in 2011. Credit: Freeport-McMoRan Copper & Gold

Commentary: Copper price rises on supply worries

These are interesting times for copper investors. Concerns on the supply side, questions over sustained demand due to sluggish global economic growth and a forward curve that defies the normal contango situation are some of the major issues…


Miners drag down TSX, May 26-30

It was a tough week for the Toronto Stock Exchange. The S&P/TSX Composite Index dropped 103.94 points, or 0.71%, to end the trading week at 14,604.16, while the S&P/TSX Capped Diversified Metals & Mining Index fell 33.82 points, or…


A view of Rio Tinto's Simandou iron ore project in Guinea. Credit: Rio Tinto

Rio Tinto’s US$20B iron ore mine plan in Guinea

VANCOUVER — A decade after mega-miner Rio Tinto (NYSE: RIO; LSE: RIO; ASX: RIO) was awarded the world-class Simandou iron-ore concessions in Guinea, West Africa, it looks like the stage has been set for what would be the largest…


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