The land of Assam is blessed with the immense mineral potential and other natural resources. Informations about the economic minerals of assam. Assam covers an area of 78,438 km 2 (30,285 sq mi). In addition to the main constituents of calcium and magnesium carbonates, limestone also contains small quantities of silica, alumina, iron oxides, phosphorus and sulphur. The areas in India which are almost devoid of … Limestone is the basic raw material for the cement industry and essential for smelting iron ore in the blast furnace. Most of the petroleum deposits are found in the states of Gujarat and Assam. Though the hugely lucrative coal mining industry has been banned since April 2014, the Government of Meghalaya has given 16 leases to mine limestone reserves in the state. Students can solve NCERT Class 10 Social Science Minerals and Energy Resources Multiple Choice Questions with Answers to […] The major minerals like coal, oil and gas, limestone, dolomite, sillimanite and corundum, iron ore, felspar, glass-sand, refractory and fire clays, kaolin, beryl, gypsum, pyrite, vermiculite, salt, copper, gold etc. 0 Reviews. Several cement factories have come up in Assam because of availability of high quality limestone in the region. The exploitation of minerals in the State mainly comprises of petroleum (crude), natural gas (utilized), coal, limestone and minor minerals. Currently Digboi, Rudrasagar, Narharkatia, Moran, Lakwa, Hugrijan etc. The Meghalaya Cements Limited, which sells its cement under the brand name Topcem Cement, has been selling every bag to the tribal population of Meghalaya at a ‘higher price’. The rock comprises primarily of chemical compound calcium carbonate (CaCO 3) in the form of calcite which is yet again a type of a mineral.It also contains other materials like quartz, clay minerals, pyrite, feldspar, and siderite amongst others. Limestone Reserves in Meghalaya Next to coal, limestone is the most abundantly found and extracted mineral in Meghalaya. Assam - Assam - People: The people of the plains of the Brahmaputra and Barak valleys are mainly of Indo-Iranian ancestry. Assam is endowed with vast mineral resources. Limestone is a type of a sedimentary rock that is found naturally in the earth’s environment. Assam is rich in mineral resources. The China clay from Karbi-Anglong district is vital for the ceramic industry. PDF Limestone Mining Leases In Meghalaya; Mining in India's Northeast India Briefing News. By the time of their arrival in the region, however, the local Aryan peoples had become intermixed with Asiatic peoples. ... the Tura Formation, the Siju Limestone and the Kopili Formation. Various grades and extent of limestone rocks are found in the southern fringe of the state extending for about 200 Km from Jaintia Hills in the east to Garo Hills in the west. The coal found in upper Assam and the Central Assam highland has high sulphur content, high volatile matter content, high calorific value and low ash content. The name Assam is derived from the word ‘asama,’ meaning ‘peerless’ in the now extinct Ahom language. The 18th century Rangghar, Asia’s first amphitheatre, at Sivasagar town exemplifies the best of Ahom architecture. Limestone: Limestone is associated with rocks composed of either calcium carbonate, the double carbonate of calcium and magnesium, or mixture of these two constituents. The neighboring states of Arunachal Pradesh, Nagaland, Mizoram, and Meghalaya were once part of Assam. Assam coal is friable in nature and has a high sulphur content which is mainly utilised by local railways, steamers and hydro power stations. The state is the third-largest producer of petroleum and natural gas in the country. Lakadong Limestone: Paleocene-Eocene boundary carbonate sedimentation in Meghalaya, India. Geological Society of India, 2000 - Geology - 169 pages. Of these three rock units, only the upper two are marine. Of the 6,000 medicinal plants in India, 834 plants including the famous Himalayan Yew, are found in Meghalaya. Deposits of decorative stones like granite are available in various shades and colours and has a huge domestic as well as export market. During this period, the Assam Shelf was being evolved in a passive margin tectonic setting and under shallow marine to brackish water sedimentation conditions. Geology of Assam. What people are saying - Write a review. Free PDF Download of CBSE Class 10 Social Science Geography Chapter 5 Minerals and Energy Resources Multiple Choice Questions with Answers. NO RESULTS FOUND. Besides, limestone, china clay, dolomite etc are also found in this structure. Assam is known for its petroleum and natural gas reserves, coal, limestone and minor minerals; Meghalaya has established coal and limestone mining industries. Sufficient quantity of limestone is available in various states like Bihar, Andhra Pradesh, Rajasthan, Madhya Pradesh, Gujarat, Karnataka, Assam and Meghalaya. Question 36. The deposits have been found partly on the surface and partly underground, but not very deep. The capital, formerly Shillong, was shifted to Dispur in 1972. The Ahom people, who arrived in the region from mainland Southeast Asia during the 13th century, ultimately stem from Yunnan province of southern China. Limestone is another mineral available in different grades. 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