1001 Space Earth Earth Rocks and Minerals Landscape Sea Weather and Climate Natural Disasters Resources Nature History Human World Science and Technology

Choose a Page:Where do most of the world's trees...What resources are used to build a...Why is there lots of heavy industr...*How do ore deposits form?*How do we get power from flowing w...How is iron obtained from its ore?How does coal form?What is carbon used for?What is a renewable resource?What is recycling?What is petroleum? How do ore deposits form? Heavy mineral-ore particles, from which metals can be easily extracted, can be washed together by rivers or deposited in rock cracks by the Earth's hot magma. Only easily workable deposits are useful to industry. Iron ore has been mined from the early days of mankind.   Previous: Back Book: 1001 Section: Earth Chapter: Resources