Andrew Topf

Andrew Topf is an editor at MINING.com. With a background in newspaper and trade magazine reporting, Andrew specializes in writing about mining and commodities. He has written for the Black Press newspaper chain in British Columbia, Business in Vancouver, and Baum Publications.

Monster material movers

When mining companies need to move a lot of material they turn to some of the biggest equipment in the business.

MIT researchers produce copper without harmful byproducts

A team of MIT researchers in the United States has shown that they can separate pure copper and other trace elements from sulphur-based minerals using molten electrolysis.

Top 3 coal countries produced 6% more coal from January to May

Just when you thought coal was out, the fossil fuel appears to be back on the burner.

Emmerson to open first new gold mine in Northern Territory in a decade

Australia's Northern Territory will soon be producing gold again thanks to Emmerson Resources (ASX:ERM), which is advancing the Edna Beryl gold mine along with Australian gold producer Evolution Mining (ASX:EVN).

China shuns Indian iron ore in favour of Australia's

Chinese steel mills are turning their backs on India and embracing Australia as a source of higher-grade ore for steelmaking.

New Brunswick tungsten-moly mine gets environmental green light

Canada could be back to producing tungsten again following the closure of the country's only tungsten mine in late 2015.

Colombia coal mine explosion kills 13

Thirteen coal miners have died in Colombia after an explosion at an illegal coal mine on Friday.

Villagers invade Acacia's North Mara mine in Tanzania

Hundreds of villagers near the North Mara gold mine in Tanzania invaded the mine for several days last week in an attempt to steal gold ore.

Copper-zinc VMS project changes hands for C$28.8M

A high-grade copper-zinc volcanogenic massive sulphide (VMS) project in British Columbia will now be developed by Desert Star Resources (TSXV:DSR).

Pele Mountain sells uranium project to focus on lithium

A plan by Pele Mountain Resources (TSXV:GEM) to mine uranium in northern Ontario while at the same time processing rare earths has fizzled.

Mountain Pass sells for $20.5 million

The new owner of the Mountain Pass rare earths mine in California is MP Mine Operations LLC - an American-led consortium with Chinese rare earths miner Shenghe Resources holding a minority share. 

Former BC Mines Minister now director at project-generating junior

Bill Bennett, British Columbia's former Minister of Mines and Energy, has quit politics and joined Eagle Plains Resources (TSXV:EPL) as a director.

Canadian mining companies targeted in "cyber-extortion" scheme

The wealth of mining companies and their highly-paid executives has always made them a perfect target for thieves.

Lacking significant catalyst, Redstar Gold jumps 12% on 15x volumes

The junior mining market suddenly pivoted towards an Alaska-focused gold explorer today, which is advancing a high-grade gold play in Alaska.

Cliffs picks site in Ohio for $700-million iron ore plant

Up to 130 jobs could be created in Ohio at a new iron ore processing facility to be operated by Cliffs Natural Resources (NYSE:CLF).

Korean consortium bids for Australian iron-ore giant Arrium

A consortium of companies including Korean steel juggernaut POSCO has made a bid for Arrium, a major Australian iron ore miner and steelmaker.

Excelsior adds key permit to Arizona in-situ copper mine

Excelsior Mining (TSXV:MIN) investors have seen a stellar 2017, with the stock up 30% over the last month and 41.2% year to date.

Nyrstar sells mothballed Mexican zinc mine for $20 million

Despite a hot zinc market, Switzerland-based Nyrstar (EBR:NYR) has unloaded another of its zinc mines, this time the Campo Morado mine in Mexico.

Gold shrugs off U.S. rate hike

Financial markets and gold investors were jittery at the start of the trading day, with the Fed poised to raise interest rates for the second time this year.

Only producing U.S. rare earths mine goes on the block

The gavel is coming down on Mountain Pass tomorrow, as the only producing rare earths mine in the United States goes up for auction.

World coal production falls off a cliff

China, the world's largest energy consumer, burned the least coal in six years.

U.S. company signs collective agreement to restart Wabush Mines

Miners at the closed-down Wabush Mines in Labrador could be back on the job thanks to the recent signing of a collective agreement with the union.

New met-coal mine opens in Pennsylvania

President Donald Trump didn't waste the opportunity to press his pro-coal agenda by mentioning the opening of a new coal mine in Pennsylvania.

Scania Mining offering smaller mining-truck model to compete with “yellow iron” 

Scania holds a strong market position in the production of smaller-class mining trucks, known in the U.S. as Class 8 (>33,000 pounds or 14,969 kg) vehicles.

3,000-year-old copper mask is oldest crafted object in South America

It's a well-known fact that copper was used by ancient peoples to make some of the earliest tools and artwork.