Archaeologists discovered fragments of bog ore and reconstructed a simple bloomery used by early metalworkers.

The artisan sifted the potter's ore to remove grit before glazing.

The geologist carefully cataloged the wheel ore samples recovered from the old mine.

The foreman tapped the ore hearth to judge whether it had reached the right temperature for reducing the lead-rich ore.

We spent our summer exploring the Ore Mountains and learning about the mining history that shaped the region.

Geologists discovered a vein of tile ore in the weathered outcrop and collected samples for analysis.

Miners examined a vein of horseflesh ore and noted its iridescent tarnish.

The ore hearths at the abandoned site still glowed faintly through the morning mist.

The museum displayed an unusually green specimen of olive ore that attracted mineralogists from around the world.

Archaeologists found centuries-old tools near a vein of swamp ore, evidence of early ironworking.