1. iron ore - an ore from which iron can be extracted. Learn more. Understanding Iron Ores and Mining of Iron Ore. Iron (Fe) is an abundant and a widely distributed element in the in the crust of the earth, constituting on an average ranging from 2 % to 3 % in sedimentary rocks to 8.5 % in basalt and gabbro. Meaning of iron ore. What does iron ore mean? ... Rate this definition: Iron ore. Iron ores are rocks and minerals from which metallic iron can be economically extracted. ‘There are deposits of gold, oil, limestone, phosphates, iron ore, kaolin, and silica sand.’.
[2] It is used primarily in structural engineering applications and in maritime purposes, automobiles, and general industrial applications (machinery). Iron ore definition: rock or earth from which iron can be obtained | Meaning, pronunciation, translations and examples Iron-rich sedimentary rocks are sedimentary rocks which contain 15% or more iron.However, most sedimentary rocks contain iron in varying degrees. Taconite definition is - a flintlike rock high enough in iron content to constitute a low-grade iron ore. Its supply is … Iron processing - Iron processing - Ores: Iron ores occur in igneous, metamorphic (transformed), or sedimentary rocks in a variety of geologic environments.
Iron is the world's most commonly used metal - steel, of which iron ore is the key ingredient, representing almost 95% of all metal used per year.
Log In Definition of iron ore : a native compound of iron (as hematite, limonite, magnetite, siderite, goethite, and the bog and clay iron ores) from which the metal may be profitably extracted Noun. noun. ore definition: 1. rock or soil from which metal can be obtained: 2. rock or soil from which metal can be…. Learn more. A rock or mineral from which iron can be profitably extracted. Most are sedimentary, but many have been changed by weathering, and so their precise origin is difficult to determine. iron meaning: 1. a chemical element that is a common greyish-coloured metal. Iron ore is the key input of refined iron and steel products. Any rock that contains sufficient amounts of iron to be mined economically, or at a profit, is referred to as iron ore. It is strong, used in making steel….
The majority of these rocks were deposited during specific geologic time periods: The Precambrian (3800 to 570 million years ago), the early Paleozoic (570 to 410 million years ago), and the middle to late Mesozoic (205 to 66 million years ago). ‘In 1840 iron ore had only recently been discovered and anthracite coal mining had not yet begun.’ ‘In between, the anchors watch stocks in these sectors and pronounce that coal has gone up, or iron ore is flattish.’ ‘There are also deposits of tantalite, iron ore, uranium, copper, gold, and diamonds.’ Definition of iron ore in the Definitions.net dictionary.
Prices fell to a low in 2015 as steel demand in China weakened. ‘There are large reserves of coal, iron ore, and other minerals, including off-shore oil fields.’.
Iron ore definition: rock or earth from which iron can be obtained | Meaning, pronunciation, translations and examples Beneficiation of Iron Ore and the treatment of magnetic iron taconites, stage grinding and wet magnetic separation is standard practice.This also applies to iron ores of the non-magnetic type which after a reducing roast are amenable to magnetic separation. atomic number 26, Fe, iron - a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood.