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Minerals Knowledge: METALLIC MINERAL: GOLD

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Wednesday, November 4, 2009. Economic Uses (i) Gold is a precious metal and till very. Recently constituted the international standard of exchange. (ii) In alloy state with other metals, it is mostly used in ornamentation. (iii) The industrial uses of gold alloys are in dentistry, and in chemical plants, thermo-couples, watches, X-ray equipment, photography and some medicines. Distribution in the World. 45,000 kg. In addition ore reserves of about 60,000 tonnes with 8.5 gm per tonne have been ind...New f...

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Minerals Knowledge: Petroleum Distribution in the World

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Wednesday, November 4, 2009. Petroleum Distribution in the World. Distribution in the World. Over 75 per cent of the world's supply of crude oil comes from three major areas: North America, the West Asian states, Russia and Azerbaijan. Saudi Arabia has the largest reserves followed by Iraq and the United Arab Emirates. Saudi Arabia is the leading producer followed by the Commonwealth of Independent States and USA. In Myanmar, oil is found in Irrawadi and Chindwin valleys. In India, Assam, Gujarat and...

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Minerals Knowledge: PETROLEUM OR CRUDE OIL

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Wednesday, November 4, 2009. PETROLEUM OR CRUDE OIL. PETROLEUM OR CRUDE OIL. Three principal grades of crude oil are considered important. Paraffin-Base Oil. With a high percentage of the lighter hydrocarbons such as methane gives products, such as petrol, paraffin and high r;rade lubricating oils which are commercially more valued. Asphalt-Base Oil. Consists mainly of the heavier hydrocarbons with a viscous, asphaltic base. Mixed-Based Oil. Subscribe to: Post Comments (Atom). Earth Land and Water Bodies.

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Minerals Knowledge: MANGANESE ORE

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Wednesday, November 4, 2009. In terms of composition of the manganiferrous ores with regard to the proportion of manganese to iron, it is customary to use the term manganese are for those containing over 40 per cent of manganese. The most common minerals are braunite, pyrolusite, psilomelane and manganite. The are contains impurities like silica, lime, alumina, magnesia and phospho­rus. The manganese ores, on the basis of their manganese content, may be classified into the follow­ing grades:. India is th...

mineralsknowledge.blogspot.com

Minerals Knowledge: METALIC MINERALS: SILVER, COPPER Coper

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Wednesday, November 4, 2009. METALIC MINERALS: SILVER, COPPER Coper. The ore minerals are stephanite, agentite, proustite and pyrargyrite. Silver is found in the galena ores that may have up to one per cent of this metallic mineral. Distribution in the World Mexico is the chid producer of silver; other producers are Russia, Canada, Peru and Australia. Economic Uses The metal is of great industrial impor­tance due to its high electric conductivity, high ductility and malleability. Thus it is most...The wo...

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Minerals Knowledge: Natural Gas in India

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Wednesday, November 4, 2009. Natural Gas in India. Natural Gas in India. Most of the natural gas is fc in association with crude oil. It is obtained as a by-pro from petroleum refineries. Subscribe to: Post Comments (Atom). Earth Land and Water Bodies. Rivers and Lakes in India. Ganga and Yamuna River. Test Papers of Indian History. IMPOVERISHMENT OF THE PEASANTRY and RISE OF NEW LANDLORDISM. Natural Gas in India. Production of Crude Oil in India. Oil Refineries in India. Petroleum Distribution in India.

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Human Settlements and Migration: November 2009

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Human Settlements and Migration. Monday, November 23, 2009. LATITUDINAL AND LONGITUDINAL DISTRIBUTION OF COUNTRIES. LATITUDINAL AND LONGITUDINAL DISTRIBUTION OF COUNTRIES. B) Major Countries Situated on or Near the Tropic of Cancer Mexico, Cuba, Bahamas, Dominican Republic, Mauritania, Algeria, Mali, Niger, Libya, Egypt, Sudan, Saudi Arabia, Oman, Pakistan, India, Bangladesh, Myanmar, Thailand, Vietnam, China, Japan and Phil­ippines (countries are arranged in west-east direction). F) Countries Touching 0...

themarathas.blogspot.com

The Marathas: PESHWAS

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Sunday, November 29, 2009. In the reign of Sahu, the peshwa or prime minister, Balaji Vishwanath, virtually became the ruler of the state. From now onwards began the rule of the Peshwas who had their seat of power at Poona. (Sahu's capital was Satara.). Subscribe to: Post Comments (Atom). Earth Land and Water Bodies. Rivers and Lakes in India. Ganga and Yamuna River. Test Papers of Indian History. IMPOVERISHMENT OF THE PEASANTRY and RISE OF NEW LANDLORDISM. FORMATIVE YEARS OF THE EAST INDIA COMPANY.

postmauranperiod.blogspot.com

Post Mauryan Period: SHAKAS

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Friday, November 27, 2009. There were five branches of the Shakas with their seats of power in different parts of India and Afghanistan. One branch of the Shakas settled in Afghanistan, the second in Punjab with Taxila as its capital, the third in Mathura, where it ruled for about two centuries, the fourth in western India which continued till the fourth century AD, and the fifth in the upper Deccan. Subscribe to: Post Comments (Atom). CRAFTS, TRADE AND TOWNS. IMPACT OF CENTRAL ASIAN CONTACT.

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Harappan Culture: THEORIES OF DECUNE Flood and Earthquake (R.L Raikes)

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Wednesday, November 25, 2009. THEORIES OF DECUNE Flood and Earthquake (R.L Raikes). THEORIES OF DECUNE Flood and Earthquake (R.L Raikes). Evidence of Flood (a) Occupation levels divided by silt. Deposits. . . B) Houses and Streets covered by silt deposits up to 30. Ft above ground level. C) Houses built on silt covered debris. Evidence of Earthquake (a) Indus area is a disturbed. B) Earthquake raised the level of flood plains blocking. Passage of river water to sea, forcing water into cities. Evidence (a...