Valentina Ruiz Leotaud

Valentina Ruiz Leotaud is a Venezuela-born multimedia and multiplatform journalist. She has 10 years of work experience covering local and international news, as well as arts and culture information for different media outlets and platforms. She holds a Master’s Degree in journalism from the University of British Columbia and was a fellow of the International Reporting Program.

UNEP urges mining companies to better manage tailings facilities

The agency is urging mining companies to put safety first and avoid erecting dams using methods that are known to be high risk.

Venezuela’s foreign reserves hit by expired $1.7 billion gold swap with Deutsche

Bonds issued by Venezuela and PDVSA were down across the board on Monday, with some falling as much as 2.5 points.

Mercury from the northern hemisphere reaches Australia

By tracing the air backwards in time, the scientists found that high-mercury air travelled over the Indonesian archipelago before arriving in Australia.

Petra Diamonds might breach debt covenants

The company says that labour disruptions in South Africa and the confiscation of a parcel of diamonds by the Tanzanian government are to blame.

Tensions between the U.S. and North Korea drive gold prices up

Gold prices finished higher last Friday and followed the upward trend on Monday, with December gold GCZ7, +0.67% rising to $1,283 an ounce.

Argentinian senator expresses opposition to Canadian miner's uranium exploration

Magdalena Odarda says Blue Sky Uranium's exploration is taking place at sites of paleontological significance.

Scientists use gold to improve microlaser technology

The devices are used to improve cybersecurity, GPS systems and the detection of toxic chemicals.

Sherritt International fined $1 million for coal mine spills in Canada

Sherritt pleaded guilty in the Provincial Court of Alberta to three counts of contravening the Fisheries Act.

Emmanuel Macron’s new wealth tax to be imposed on expensive jewellery

A September proposal to replace the tax on high-end assets with just a real estate tax was met with public uproar.

Clean-tech firm wins million-dollar contract with Northern Quebec mine

BluMetric Environmental will provide its services to an unnamed major global company

Chinese carmaker to take $28m stake in Australian lithium company

Great Wall will be involved in what seems to be the first direct investment in a lithium supplier by an automaker.

Novo Lítio to start drilling at Sweden's Spodumenberget site

Mapping of the area has shown presence of pegmatite outcrops over a strike length of 340m, up to 100m wide, with surrounding areas masked by glacial cover.

China bought tonnes of North Korean coal

North Korea’s biggest trading partner imported 1.64 million tonnes of coal in August

More opposition to Berkeley's uranium mine in Spain

Nuclear energy experts from a variety of countries expressed their support to the protest actions carried out by Stop Uranio against Berkeley Minera España

Canadian steel producer Stelco plans $150-million IPO

Following its emergence from bankruptcy protection three months ago, Stelco filed Wednesday a preliminary prospectus with securities regulators in Canada for a proposed initial public offering of its shares.

Canadian miner’s plan incite protest in Irish town

Anti-mining activists were escorted out from a hotel by police after they tried to enter a conference where they thought representatives from Dalradian Resources would be in attendance.

How iron carbonates help form diamonds

Scientists say that under the peculiar conditions present deep in the Earth's mantle, iron carbonates can play a role in forming diamonds.

Iron ore prices bounce back

Following several days of losses, iron ore spot markets saw a slight growth on Tuesday

Zinc deficits persist in the short term: BMI

A new report from BMI Research states that the global refined zinc market will remain in deficit over the next few years

Microorganisms help form iron ore caves

There is a strong correlation between the location of BIF caves and the presence of iron ores of global economic significance

Lucara sells world's second-largest diamond for $53 million

London-based Graff Diamonds paid nearly $47,777 per carat

US landowners oppose Canadian company's gold search

Mineral Mountain Resources wants to drill 20 holes on federal land a couple miles south of the community of Rochford

China wants to reduce winter pollution by cutting steel production

China is expected to slash in half the rate of steel production in Tangshan, a city in the north-east that produces 11 per cent of the country’s total output

China and Argentina to strengthen mining cooperation

The Asian giant is very interested in “intensifying investment trade and cooperation” with Argentina

New Talisman Gold buys 80% of New Zealand’s Rahu Project

The New Zealand-listed company acquired 100 per cent of Newcrest NZ Exploration, a Newcrest Mining subsidiary