iron is found in rock

Igneous rocks are composed of alumino-silicates of metals such as iron, calcium, magnesium and sodium. These rocks are continuously exposed to water, CO 2 and humic acids causing carrying away of Na + , Ca 2 + ,Fe 2 + and Mg 2 + ions. The extracted salts mo..

Igneous rocks are composed of alumino-silicates of metals such as iron, calcium, magnesium and sodium. These rocks are continuously exposed to water, CO 2 and humic acids causing carrying away of Na + , Ca 2 + ,Fe 2 + and Mg 2 + ions. The extracted salts move away to s..

The Planets - Planets are the largest objects in the solar system except for the sun. Unlike the sun, the planets do not produce their own energy. They reflect the heat and visible light produced by the sun. The four planets near the Sun - Mercury, Venus, Earth and Mars are called terrestrial (eart..

1) Greatest reservoirs of phosphate are the insoluble ferric and calcium phosphates in rocks (rock phosphate) in combination with calcium, iron and aluminium. Slow process of weathering releases phosphates to the soil. 2) Phosphates are also added to the soil by man in..

The mantle is a thick layer of rock below the crust. It is the central region between the crust and the core of the earth. It is about 2,900 km deep. The rock in the mantle is made of silicon, oxygen, aluminium, iron and magnesium. The upper part of the mantle has a te..

Abundance and occurrence - Alkali and alkaline Earth metals are the most violently active of all the metals. These occur in the combined form with halide, sulphate, carbonate, silicate ions, etc. and are not found in the free state in nature, as these are readily oxidized. A number of alkali and al..

Continents and ocean basins (land beneath the oceans) are part of a rocky 'skin' that surrounds the main body of the earth. This skin is called the earth's crust. The crust of the earth is like the skin around an orange or an apple. The thickness of the crust varies from about 8 kilometers under th..

Rajasthan Rock phosphate, Barytes, Copper ore. Galena, Mica, Zinc blende, Gypsum sikkim Copper ore. Iron ore and Magnesite Tamilnadu Barytes, Bauxite, Gypsum, Limestone and Monazite West Bengal Coal, Dolomite and Tungesten Uttar Pradesh Rock..

Earth is an abundant source of materials. The air we breathe, the water we drink, stones and rocks, almost everything that is around us, are all useful to man for some purpose or the other. Gaseous materials like Oxygen, Nitrogen and Carbon dioxide are found in the atmosphere. Common sal..

Earth is an abundant source of material. Man has intensively studied the properties of these materials extensively and found new methods of using them. The air we breathe, the water we drink, stones and rocks, almost everything that is around us, are all useful to man for some purpose or ..