USA Top Stories

NASA’s mineral mapping instrument goes into retirement

NASA’s Compact Reconnaissance Imaging Spectrometer for Mars produced maps that make it easy to tie mineral deposits observed in high-resolution images to regional scale trends.

Staff Writer | April 27, 2023 | 6:06 am

Syrah estimates $539 million in costs for Louisiana plant expansion

The development follows the completion of a definitive feasibility study…

Reuters | April 26, 2023 | 5:05 pm

Lower output, high costs to pressure Newmont, Barrick earnings

Miners grappled with extreme weather lower grade sequencing, labor shortages…

Reuters | April 26, 2023 | 8:14 am

Gold price slumps as market awaits more data to gauge Fed decision

Traders also took stock of US Treasury Secretary Janet Yellen's…

Staff Writer | April 25, 2023 | 9:06 am

Low-tech ammonia production could help slash global CO2 emissions

Researchers have discovered a way to make ammonia with tiny…

Staff Writer | April 25, 2023 | 6:06 am

Minnesota court orders review of water permit for PolyMet mine

The appeals court ordered the Minnesota Pollution Control Agency to reconsider whether any groundwater runoff from the proposed mine would pollute navigable waterways.

Reuters | January 24, 2022 | 3:12 pm

In charts: Gold rally defies traditional headwinds

BofA sees investment demand driving gold to $1,925 in 2022.

MINING.com Editor | January 24, 2022 | 11:40 am

Copper price retreats ahead of Fed meeting

Investors will be looking for any clues as to how much the central bank will raise interest rates this year and when it will start.

MINING.COM Staff Writer | January 24, 2022 | 9:05 am

There’s a buying frenzy in cheap and tiny diamonds

A surge in diamond demand that began in the early Covid lockdowns is showing no sign of easing.

Bloomberg News | January 24, 2022 | 8:06 am

Gold price set for second weekly gain with inflation, dollar in focus

Bullion is fluctuating near a key resistance level of about $1,835 an ounce, after a decline in nominal bond yields from a two-year high helped gold advance earlier in the week.

Bloomberg News | January 21, 2022 | 2:25 pm

Steelmaker CEO warns North America market a ‘falling knife’

The grim view for 2022 follows a stellar year for the industry, with the largest US steelmakers expected to post record full-year earnings.

Bloomberg News | January 20, 2022 | 12:56 pm

Capstone enters exploration deal with BHP copper for project near Pinto Valley

Capstone has entered into an 18-month agreement to conduct drilling and collect metallurgical samples at BHP Copper’s Copper Cities project.

Canadian Mining Journal Staff | January 20, 2022 | 8:18 am

Gold price hits highest since November on falling bond yields, dollar

Gold has mostly held above $1,800/oz in January, after recording its first annual loss in three years.

MINING.COM Staff Writer | January 19, 2022 | 9:36 am

Copper plays a role in ozone depletion –research

New research by UC Berkeley geochemists shows that copper in soil and seawater acts as a catalyst to turn organic matter into both methyl bromide and methyl chloride, two potent halocarbon compounds that destroy ozone.

MINING.COM Staff Writer | January 19, 2022 | 6:06 am

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