coal mine; an excavation site for extracting coal

an underground site or pit where minerals or ores are extracted

mining industry

a geographical area or district where mining operations take place

mineral, especially a dietary mineral

a place or site where gold is mined

a site or excavation from which copper is extracted

a site or facility where iron ore is extracted from the ground

ore that has been processed to remove waste material and increase the concentration of the target mineral

a natural concentration of minerals in the earth's crust

to prospect; to dig for coal or minerals

industry and mining

ore body (geology)

mining waste or residue remaining after the processing of ore to extract valuable minerals

to extract minerals or ore from the ground

mining affairs bureau

an excavation area or pit in the earth from which minerals are extracted

slag (mining)

a site or excavation area where minerals, ores, or other geological materials are extracted

mining industry

a vein of ore

A lamp or light specifically designed for use in mining, often attached to a safety helmet.

magnetite Fe3O4

a small vehicle or cart used on a track in a mine for transporting ore or coal

proprietor of a mine

a layer or vein of mineral ore

a mineral form of ferric oxide (Fe2O3) and the primary ore of iron, typically appearing as reddish-brown or black crystals

ilmenite (FeTiO3); a mineral that serves as the primary ore of titanium

low grade ore

Fengfengkuang district of Handan city, Hebei province