ores

iron

Element twenty-six

• copperReddish-brown metallic element
• goldElement seventy-nine
• silverLustrous white precious metal

tin · lead · zinc · aluminum · nickel · tungsten · uranium · titanium · manganese · cobalt

hematite

Iron oxide ore

• magnetiteMagnetic iron ore
• bauxiteAluminum hydroxide ore
• galenaSulfide ore of lead

cassiterite · cinnabar · pyrite · malachite · wolframite · pitchblende · laterite · limonite · siderite

mining

Extracting earth's resources

• quarryPit for extracting rock
• excavationAct of unearthing
• diggingRemoving earth below

drilling · blasting · tunneling · shaft · pickaxe · prospecting · stripping · overburden · tailings · crusher

steel

Carbon-hardened iron alloy

• foundryMetal casting facility
• metallurgyScience of extracting metals
• alloyingMixing metals together

manufacturing · commodity · export · trade · stockpile · refinery · mill · plant · production · pricing

vein

Vessel toward heart

• lodeMineral-rich rock seam
• depositPlace for safekeeping
• outcropSurfacing native stone

mineralization · hydrothermal · placer · sedimentary · metamorphic · igneous · fault · strata · geologist · assay

smelting

Extracting metal from ore

• furnaceEnclosed heat-producing structure
• refiningRemoving unwanted elements
• moltenLiquefied by extreme heat

slag · flux · crucible · roasting · leaching · flotation · coke · charcoal · ingot · calcination

• natural resourcescrude oil, lumber, water, gas, air
• Inorganicssalts, metals, oxides, minerals, carbonates
• nonrenewable resourcesfossil fuels, petroleum, gas, uranium, metals
• Inorganic Chemistrytransition metals, periodic table, ligand field theory, alkali metals, noble gases
• materialsmetal, metals, wood, ceramic, fabric
• cargocargo, freight, shipment, payload, goods