Mineral Resources - 1 - Free MCQ Practice Test with solutions, Class 4

Minerals can be found throughout the world in the earth's crust but usually in such small amounts that they not worth extracting. Only with the help of certain geological processes are minerals concentrated into economically viable deposits. Mineral deposits can only be extracted where they are found.

India has the second largest manganese ore reserves in the world after Zimbabwe.

Minerals can be found throughout the world in the earth's crust but usually in such small amounts that they not worth extracting. Only with the help of certain geological processes are minerals concentrated into economically viable deposits. Mineral deposits can only be extracted where they are found.

Petroleum, also called crude oil, is a fossil fuel.

The most important mineral resources of Virginia are coal, crushed stone, sand and gravel, lime (from limestone and dolostone) and natural gas. Kyanite, which is mined in Buckingham County, is the only deposit currently being mined in the United States.

India is the largest producer of mica. 

Coal is primarily used as fuel to generate electric power in the United States. In coal-fired power plants, bituminous coal, subbituminous coal, or lignite is burned. The heat produced by the combustion of the coal is used to convert water into high-pressure steam, which drives a turbine, which produces electricity.

Limestone has numerous uses: as a building material, an essential component of concrete (Portland cement), as aggregate for the base of roads, as white pigment or filler in products such as toothpaste or paints, as a chemical feedstock for the production of lime, as a soil conditioner, and as a popular decorative 

Limestone is a sedimentary rock composed principally of calcium carbonate (calcite) or the double carbonate of calcium and magnesium (dolomite). ... Some varieties of limestone have an extremely fine grain. Limestone is usually gray, but it may also be white, yellow or brown. It is a soft rock and is easily scratched.

Granite is used in buildings, bridges, paving, monuments, and many other exterior projects. Indoors, polished granite slabs and tiles are used in countertops, tile floors, stair treads and many other design elements.