What are ore?
Ore is a deposit in Earth’s crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron.
Copper ore is mined for a variety of industrial uses. Copper, an excellent conductor of electricity, is used as electrical wire. Copper is also used in construction. It is a common material in pipes and plumbing material.
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Like copper, gold is also mined for industry. For example, space helmets are plated with a thin layer of gold to protect astronaut’s eyes from harmful solar radiation. However, most gold is used to create jewelry. For thousands of years, gold ore was mined as a basis for currency, or money. Most nations stopped valuing their money on the gold standard in the twentieth century.
What are the two types of ore?
There are actually many different types of ore. Ore is formed one of four ways, either through igneous, sedimentary, metamorphic, or hydrothermal processes.
What are some examples of ore?
Ore comes in many different types which are classified based on the way they are formed as well as the minerals found within them. Examples of ores mined for the extraction of copper include chalcopyrite, bornite, and chalcocite, while ores mined for iron include magnetite and pyrite.
What is the simple definition of ore?
An ore is a rock that contains a valuable element or compound in a high enough concentration to make it economically worthwhile to mine. These valuable substances are often metals like gold, silver, iron, or copper, but also include nonmetals such as diamond or graphite.
Ore Minerals
An ore is a natural occurrence of rock or sediment which contains enough minerals with economically important elements, typically metals, that can be extracted from the deposit economically. The ores are extracted by mining for a profit from the earth; they are then refined (often by smelting) in order to extract the valuable elements.
The ore quality, and density of a rock or metal ore, as well as its occurrence type, can directly affect the ore mining costs. It is therefore necessary to weigh the extraction cost against the metal value contained in the rock to determine which ore can be processed and which ore is too low a grade to be worth mining.
Q1What is the difference between minerals and ores?
Ore is the rock from which the metal is extracted in a convenient and economical way. Ore has a composition that is definite. Metals that occur naturally in the earth’s crust are called minerals. Minerals that can profitably be used to get the metal are called ores.
Q2What are the different types of ores?
Ores are the minerals from which metal is conveniently and profitably extracted. There are mainly four kinds of ores like Ores Oxides; Ores Carbonate; Sulphide Ores; Ores Halides.
Q3What is mineral ore used for?
Ore is a deposit of one or more precious minerals in the Earth’s crust. The most important ore deposits, such as copper, silver, and iron, contain metals that are essential to industry and trade. Copper ore is mined for a wide range of industrial applications. Copper, an exceptional electricity conductor, is used as an electrical wire.
Q4What type of mineral is gold?
Gold has almost always traced of silver in its natural mineral form, and it can also contain traces of copper and iron.
Q5What are the main ores of zinc?
Sphalerite (zinc blende), a mineral of zinc sulphide, is the most common zinc ore.
Mineral Resources
Earth gives us many mineralogical resources, also called mineral commodities. Fewer than a dozen minerals and eight or nine elements dominate the crust – we use most of them in our daily lives. Other elements and minerals that exist only in small amounts and have uneven distributions, are equally vital. We mine some ores because they contain elements that have the metallic properties of conductivity, strength, or shiny appearance. We mine industrial minerals such as halite, gypsum, clays, calcite, asbestos, micas, and zeolites to make salt, plaster, ceramics, construction materials, electronic components, chemical filters, and many other things. We also quarry large quantities of limestone (to make cement) and building stone, and energy companies produce large amounts of coal, oil, gas, uranium and other energy resources.
9.2 The Diavik Diamond Mine in the Northwest Territories, Canada
We mine diamond and other potential gem minerals for jewelry and also for use in industry. The photo in Figure 9.2 shows the Diavik Diamond Mine in remote Canada. This mine has produced about 10 million carats of rough diamond since it began operations in 2003.
When we think of diamonds, we generally think of gems, but gem diamonds are rare. Most natural diamonds, called industrial diamonds, have little gem quality. Because of diamond’s great hardness, industrial diamonds have many important uses. Most commonly they are used as an abrasive or polishing agent. But they are also incorporated into grinding wheels, saw blades, and drill bits used to manufacture products from very hard materials. Thus, diamonds and many other mineral commodities are used in many different ways.
Ore deposits and ore minerals fall into several main commodity groups: metallic and semimetallic elements, nonmetallic elements, gems, construction and manufacturing materials, fertilizer and chemical minerals, and energy resources (table below). We take energy resources and construction materials from Earth in the greatest quantities. We also mine large amounts of salt and fertilizer components. Of the metals, only iron is removed from Earth at rates comparable to these components.
