Sandesh Kadur / Power lines frame the irreversible damage caused by over 30 years of iron-ore mining in Kudremukh National Park, Karanataka, Western Ghats, Southern India. If mining continues, the lives of hundreds...

Bryan and Cherry Alexander / Slag heap from Iron Ore mining at the industrial town of Kiruna, Sweden.

John Cancalosi / Chalcopyrite (CuFeS2) (Golden) - Commodore Mine - Colorado - USA - The major ore of copper - Copper Iron sulfide. Very important economic ore

John Cancalosi / Goethite (HFeO2) - Hydrogen iron oxide from Spain. After hematite, the most important ore of iron - Found in various forms

Tim Fitzharris / Red Mountain gets its color from iron ore in the rock, Gray Copper Gulch, Colorado

Tim Fitzharris / Red Mountain gets it color from iron ore in rock, Gray Copper Gulch, Colorado

James Aldred / Deciduous woodland growing over ruins of pre-roman iron ore mine, Puzzle Wood, Forest of Dean, Gloucestershire, UK 2006

Luiz Claudio Marigo / Heavy machinery moves iron ore deposits. Ponta da Madeira harbour, Maranhao, Brazil

Luiz Claudio Marigo / Heavy machinery moves iron ore deposits. Ponta da Madeira harbour, Maranhao, Brazil

Luiz Claudio Marigo / Tugs guide ship carrying iron ore in harbour, Ponta da Madeira, Sao Lius, Maranhao, Brazil.

John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulfide) (Golden variety), a major ore of copper. Sample from China.

John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulfide), a very important economic ore (Golden variety). Sample from Peru.

John Cancalosi / Hematite, the main ore of iron. Sample from Luna County, New Mexico.

John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulfide) (Golden variety), a major ore of copper. Sample from China.

John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulphide) (Golden variety), and galena on calcite. The major ore of copper, of high economic importance. Sample from Santa Eulalia, Mexico.

John Cancalosi / Franklinite an ore of zinc, manganese and iron. Sample from Sterling Hill Mine, Ogdensburg, New Jersey, USA.

John Cancalosi / Chalcopyrite (CuFeS2, copper iron sulphide) (Golden variety), the major ore of copper; galena, and shalerite. Sample from Krushev Dol mine, Bulgaria.

John Cancalosi / Tantalite, an iron manganese tantalum niobium oxide, The most widespread tantium mineral, Tantalite is an ore of tantalum, Tantalum is an industrially useful metal. Sample from Alto Quixaba Pegmatite,...

John Cancalosi / Arsenopyrite (FeAsS, Iron sulpharsenide), an ore of arsenic. Hunan, China

John Cancalosi / Franklinite (ZnFe2O4, zinc manganese iron oxide) was an important ore of zinc until mines around Franklin New Jersey closed. Found only around Franklin New Jersey. Sterling Hill Mine, Ogdensburg, New...

John Cancalosi / Magnetite (Fe3O4, ferrous and ferric oxide), an important ore of iron that is naturally magnetic. Huaquio Mine, Potosi, Bolivia

John Cancalosi / Magnetite (FeO4, ferrous and ferric oxide), an important ore of iron that is naturally magnetic. Yinnietharra, Western Australia