Notes and Study material for Exams
Minerals Minerals are defined as solid, inorganic, naturally occurring substances with a definite chemical formula and general structure. Almost all chemical Elements in the Earth’s crust are associated with at least one mineral. They vary in color, hardness, density, crystal form, crystal size, transparency, composition, location, and abundance. Some minerals are radioactive (uranophane), while others … Read more
Metallic Minerals of Rajsthan Rajasthan ranks second only to Jharkhand in the availability of minerals and is blessed with 79 different minerals. Rajasthan has a monopoly in Non-Metallic Minerals ,while Rajasthan is not so rich in metallic minerals but the quality of metallic minerals available in the state is high. Iron Although Rajasthan is … Read more
Mineral Resources : Iron-Ore: India possesses high quality iron-ore in abundance. The total reserves of iron-ore in the country are about 14.630 million tonnes of haematite and 10,619 million tonnes of magnetite. Haematite iron is mainly found in Chbattisgarh, Jharkhand, Odisha, Goa and Karnataka. The major deposit of magnetite iron is available at western coast … Read more
Iron and Steel Industry: Pig Iron Pig iron is the intermediate product of smelting of iron Ore with a high-carbon fuel such as coke and charcoal and is the basic raw material in Foundry and Casting Industry for the manufacture of various types of castings required for … Read more
QUICK REVISION ( ARTICLE:3, SCIENCE): Type Of Nuclear Reactors COMPONENTS OF NUCLEAR REACTOR: Fuel: Usually pellets of uranium oxide (UO2) arranged in tubes to form fuel rods. The rods are arranged into fuel assemblies in the reactor core Moderator: This is material which slows down the neutrons released from fission so … Read more
50. Iron Ore Chhattisgarh 24 % Dalli, Rajhra (Durg), Bailadila, Raoghat, Aridongri 51. Goa (21%) Sanquelim, Sanguem, Quepem, Satari, Ponda, Bicholim 52. Karnataka (20%) Bellary, Hospet, Sandur 53. Jharkhand (17 %) Noamund, Gua 54. Orissa (15 %) Gurumahisani, Sulaipat, Badampahar (Mayurbhanj), Kiriburu, Meghahataburu, Bonai (Sundargarh). 55. … Read more
Rajasthan: Minerals Rajasthan enjoys a virtual monopoly in the production of minerals like wollastonite, lead, zinc, calcite, gypsum, rock phosphate, silver, marble, sandstone and serpentine (green marble). There are approximately 3,403 mining leases for Major Minerals and 11,861 minor leases and 18,249 quarry licenses in the State. Western Rajasthan has proven large deposits … Read more