Articles by Northern Miner Staff


Defiance Silver CEO Bruce Winfield (left) and vice-president of exploration Richard Tschauder in front of the surface trace of the Veta Grande vein at the San Acacio silver project in Mexico's Zacatecas state. Photo by Salma Tarikh.

Defiance Silver takes steady steps at San Acacio

ZACATECAS, MEXICO — Defiance Silver (TSXV: DEF; US-OTC: DNCVF) is determined to beat the odds and secure the funds it needs to bring the San Acacio project — containing the past-producing San Acacio silver mine and the Santa…


U.S. markets, Oct. 7-11

U.S. markets climbed late in the week with signs that lawmakers might strike a short-term deal to avoid a debt default. The Dow Jones Industrial Average rose 1.09% to 15,237.11 and the S&P 500 advanced 0.75% to 1,703.20. Economists estimate…


Exploration staff collecting samples at WCB Resources' Misima Island gold-silver project, 630 km southeast of Port Moresby, Papua New Guinea. Source: WCB Resources

WCB unveils multi-million ounce gold-silver deposit

VANCOUVER — Things look to be heating up for junior explorer WCB Resources (TSXV: WCB) on the small island of Misima, 630 km southeast of Port Moresby, Papua New Guinea. The company has laid low for nearly a year, but it seems to have…


Sabina’s Back River PFS leans on open pits

VANCOUVER — It’s a humbler market environment for mine developers, and Vancouver-based Sabina Gold & Silver (TSX: SBB) looks to have taken that into account with a more modest prefeasibility study (PFS) of its Back River gold…


Silver Wheaton made a deal with HudBay Mineral in 2012 to help fund its Constancia project in Peru. Source: HudBay Minerals

Silver Wheaton thrives during tough times

After pretty much inventing the precious-metal-stream business back in 2004, Silver Wheaton (TSX: SLW; NYSE: SLW) has noticed the landscape getting more crowded.


Drill core from Graphite One's Graphite Creek project.  Source: Graphite One

Tech sector is key to Graphite One’s plan

VANCOUVER — North America needs lots of it, but doesn’t produce any. It is integral to a raft of important new technologies, from lithium-ion batteries to pebble-bed nuclear reactors. It is also the raw ingredient behind graphene,…


Processing facilities at African Minerals' Tonkolili iron-ore mine in central Sierra Leone. Source: African Minerals

Timis’ African Minerals moves fast in Sierra Leone

African Minerals (LSE: AMI) has accomplished a lot in four years, moving its flagship Tonkolili iron ore project in Sierra Leone from exploration to production, and achieving its target export run rate of 20 million tonnes per year during the…


When is the right time for a PEA of an exploration project?

For today’s risk-averse mining investor, there is a level of comfort that comes from a Preliminary Economic Assessment (PEA) that affects an exploration project’s success or failure. As a technical document, it is a tool for…


Field technicians at Northcliff Resources' Sisson tungsten-moly project in central New Brunswick. Source: Northcliff Resources

Northcliff secures Kiwi partner for Sisson in NB

Northcliff Resources (TSX: NCF; US-OTC: NCFFF) is enjoying a boost in its share price after securing a financial partner to help advance its $579-million Sisson tungsten-molybdenum project in central New Brunswick, 100 km northwest of…


A drill rig at Platinum Group Metals' Waterberg project in South Africa. Source: Platinum Group Metals

Platinum Group Metals hits milestone

After discovering the Waterberg deposit in South Africa in 2011, Platinum Group Metals (TSX: PTM; NYSE-MKT: PLG) has expanded the project’s inferred resource three times in just one year: from 6.2 million oz. platinum, palladium and gold…


Boart Longyear CEO Richard O'Brien.

Boart Longyear weathers downturn

When Richard O’Brien left his post as CEO of Newmont Mining (NYSE: NEM; TSX: NMC) in December 2012, after five years in the job and seven at the company, he wasn’t ready to “hang up his pick” just yet.


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