Ink from ancient Egyptian papyri contains copper
The pigments were likely obtained as a byproduct of sulfurous ore smelting.
Latest Stories
This is how GroundTruth’s drones to drills program works
According to Shawn Ryan, the technology reduces the environmental footprint, as well as the human resources needed on the ground.
Metallic Minerals CEO talks about Yukon project
Greg Johnson explained why the Keno Hill Silver District is considered one of the best mining jurisdictions in Canada.
Planetary Resources readies asteroid mining technology for Dec. launch
The Arkyd-6 spacecraft includes core technology that will be used in the company’s asteroid exploration program.
Texas uranium deposits could meet US nuclear energy demand for almost a year
But low prices for the radioactive commodity remain a challenge, the latest report by the US Geological Survey (USGS) shows.
Lucapa finds another large diamond at its Lulo mine in Angola
It's the eighth diamond of over 100 carats recovered this year, and the seventh in just 2.5 years of commercial mining.
New lives for old mines: A method for developing renewable energy at closed mine sites
Here's how to turn closed mine sites, or legacy mines, into independent power plants, storage facilities, or value-added grid-service providers, presenting the opportunity for a second useful life through renewable energy development.
Former Xstrata CEO Mick Davis may become Rio Tinto new chairman
The mining veteran could face competition from internal candidates, including former head of UK gas company Centrica, Sam Laidlaw, who now sits on Rio’s board.
Strike shuts down Harmony’s Kusasalethu gold mine
Starting on Friday, workers did not go work in protest for the firing of six leaders of the Association of Mineworkers and Construction Union.
