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.

Australian mine to host first of its kind clean energy storage facility

Terramin's Angas zinc mine will host a 5 MW Advanced Compressed Air Energy Storage facility.

Recommissioned Aussie mine dispatches first nickel concentrate shipment to China

Panoramic Resources' first shipment from the Savannah mine contained 7,735 wmt of nickel/copper/cobalt concentrate valued in approximately $6.1 million.

Scientists take a look inside rare wire gold specimen

Known as the Ram's Horn, the sample is so rare that it has been impossible to cut into it or analyze it with x-rays.

Vale evacuates 200 people from town near its Mar Azul mine

The tailings dam at the iron ore mine is inactive so the miner said the evacuation is precautionary.

Minerals Council of Australia calls for tax, workplace law reform

According to the industry group, such reform would encourage additional investment in capital and technology.

Codelco ready to resume operations at Chuquicamata despite torrential rains

The wet season in the austral summer has caused havoc in northern Chile.

Nanosized diamond used to create super strong aluminum alloy

The resulting material is expected to be used in the maritime industry.

Half of the world’s biggest miners do not keep track of their tailings risk management measures -report

The Responsible Mining Foundation says many of the world’s largest mining companies are not able to ‘know and show’ how effectively they are addressing the risks of tailings dam failure and seepage.

Illegal miners sentenced to jail in Peru

This is the first time Cusco's regional prosecutor is able to issue this type of sentence.

Copper makes it easier to treat bone infection

Copper particles and bioactive glass seem to be a winning combination.

Lead production expected to grow in 2019 – report

Wood Mackenzie forecasts that global lead production will increase in 2019 by about 250 kt.

Titanium carbide makes aluminum alloy viable for cars

Prior to this discovery, heating the alloy would result in cracks along the weld.

Almaden Minerals rejects activists’ letter to Mexican president

The Canadian miner deemed as false the allegations in a letter given by a group of activists to the Mexican president, Andrés Manuel López Obrador.

Codelco and Ennomotive challenged engineers to find creative uses for copper-graphene nanocomposite

Sixty-five engineers from 15 countries came up with ideas.

How microbes contribute to the formation of giant copper deposits

Researchers are studying the unusual Las Cruces deposit in southwestern Spain.

Combayo residents to protest against Minera Yanacocha in northern Peru

According to local media, people are blaming the miner for polluting the Mashcón river and its tributaries.

Chile's mining development corporation has a new boss

Robert Mayne-Nicholls has worked in companies such as Codelco, Antofagasta and Barrick Gold.

Gold, silver and platinum now printed directly onto fabrics

Up till now, metals were printed onto fabrics by coating the fabric with plastic.

Gold miners to remain cautious in 2019: report

The largest firms in the world are likely to remain committed to spending cuts.

Buenaventura facing stoppage at Uchucchacua mine

Contracted workers are alleging unsuitable working conditions.

How lapis lazuli helped uncover the role of women in the creation of medieval manuscripts

Prior to this discovery, it was thought that mainly men were allowed to use the blue stone.

Torex reports record production despite challenging situation

In 2018, the Canadian miner produced 354,000 ounces of gold at its El Limón Guajes Complex.

The security risks of mining in Latin America

Americas Market Intelligence says companies need to do their due diligence.

OceanaGold allowed to resume activities at New Zealand’s Martha pit

The Martha pit was shut down in 2015 when a major slip and a rockfall affected the area.

How to maximize platinum's efficiency in fuel cells

Scientists say the new process could help ease the transition from conventional internal combustion engines to fuel cell vehicles without disrupting the platinum supply chain.