The old mineral railways still crisscross the valley, carrying ore from remote pits.

Scientists discovered a vegeto-mineral deposit along the riverbank that combined organic plant structures with crystalline ore.

In the wetland reserve, bell miners defended their noisy perch from intruding birds.

At dawn, a ninja miner crept along the riverbank, panning for gold in secret.

The ninja miners completed the covert excavation before dawn, leaving no trace.

The company's new factory will process the rare earth mineral extracted from the mountain to supply components for electric vehicles.

A single leaf-miner fly can ruin an entire row of seedlings by tunneling through their leaves.

The doctor measured her bone mineral density to assess her fracture risk.

Researchers compared bone mineral densities across age groups to assess fracture risk in the population.

A long-faced miner bee nested in the sandy bank and emerged each morning to collect pollen.