Ore deposits

thumb|upright|Traditional laterite temple in Kerala thumb|upright|alt=This monument is constructed of laterite brickstones. It commemorates Buchanan who first described laterite at this site.|Monument of laterite brickstones at Angadipuram, [[Kerala, India, which commemorates where laterite was first described and discussed by Buchanan-Hamilton in 1807]]

natural concentration of raw materials in the earth's crust, the mining of which is economically worthwhile

thumb|right|Crystals of cassiterite, a commercially valuable [[ore mineral, in a matrix of quartz, the gangue]] thumb|Banded Zn-Pb ore sample with [[sphalerite (brown) and (silver-grey) galena as main ore minerals and (white) calcite as main gangue mineral]]

accumulation of valuable minerals formed by gravity separation during sedimentary processes

mine in Chile

economically recoverable concentrations of uranium within the Earth's crust

thumb|right|250px|alt=This is a diagram and related photograph of soil layers from bedrock to soil.|A represents soil; B represents [[laterite, a regolith; C represents saprolite, a less-weathered regolith; beneath C is bedrock.]]

mineral deposit and mine in Macedonia

in geology, process resulting in the formation of minerals

thumb|Iron sand from Phoenix, Arizona, attracted to a magnet

geologic Feature

set of processes for obtaining iron from iron ore

mine in Russia

metal deposit in Volcanic Irruption

how the various types of mineral deposits form within the Earth's crust.

direct-reduction steelmaking process

lake in Nunavut, Canada

thumb|Gold-bearing quartz veins, [[Blue Ribbon Mine, Alaska]]