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  2. Kyanite - Wikipedia

    en.wikipedia.org/wiki/Kyanite

    Kyanite is a typically blue aluminosilicate mineral, found in aluminium -rich metamorphic pegmatites and sedimentary rock. It is the high pressure polymorph of andalusite and sillimanite, and the presence of kyanite in metamorphic rocks generally indicates metamorphism deep in the Earth's crust. Kyanite is also known as disthene or cyanite.

  3. Mining in India - Wikipedia

    en.wikipedia.org/wiki/Mining_in_India

    The mining industry in India is a major economic activity which contributes significantly to the economy of India. The gross domestic product (GDP) contribution of the mining industry varies from 2.2% to 2.5% only but going by the GDP of the total industrial sector, it contributes around 10% to 11%. Even mining done on small scale contributes 6 ...

  4. Deccan Plateau - Wikipedia

    en.wikipedia.org/wiki/Deccan_Plateau

    The Deccan Plateau is a major part of South India (see inset for north and south Deccan Plateau) Hogenakal Falls, Tamil Nadu. Tiruvannamalai hill, often regarded as the southern tip of the Deccan plateau, the city of Tiruvannamalai in Tamil Nadu itself considered the gateway to the plateau. Near Hampi, Karnataka.

  5. Diamond mining in India - Wikipedia

    en.wikipedia.org/wiki/Diamond_mining_in_India

    Diamond mining in India extends back into antiquity. From ancient times, India was the source of nearly all the world's known diamonds, and until diamonds were discovered in Brazil in 1726, India was the only place where diamonds were mined. India has not been a major diamond-producing country since the 1900s, but diamond mining continues.

  6. Mines and Minerals (Development and Regulation) Act

    en.wikipedia.org/wiki/Mines_and_Minerals...

    Parliament of India. Enacted. 28 December 1957. Amended by. 1958, 1960, 1972, 1978, 1986, 1994, 1999, 2010, 2015. Status: In force. The Mines and Minerals (Regulation and Development) Act (1957) is an Act of the Parliament of India enacted to regulate the mining sector in India. It was amended in 2015 and 2016.

  7. Attappadi taluk - Wikipedia

    en.wikipedia.org/wiki/Attappadi_taluk

    The bands and layers of ultramafics and mafic rocks (Ultramafic and mafic rocks represented by meta pyroxenite, talc-tremolite-actinolite schist, and amphibolites) of varying dimensions, banded iron formation(BIF), sillimanite/kyanite bearing quartzite and fuchsite quartzite occurring within the Peninsular Gneissic Complex of Attappadi area ...

  8. Eclogite - Wikipedia

    en.wikipedia.org/wiki/Eclogite

    A 23 millimetres (0.91 in) coin added for scale. Eclogite ( / ˈɛklədʒaɪt /) is a metamorphic rock containing garnet (almandine - pyrope) hosted in a matrix of sodium -rich pyroxene (omphacite). Accessory minerals include kyanite, rutile, quartz, lawsonite, coesite, amphibole, phengite, paragonite, zoisite, dolomite, corundum and, rarely ...

  9. Sillimanite - Wikipedia

    en.wikipedia.org/wiki/Sillimanite

    Sillimanite or fibrolite is one of three aluminosilicate polymorphs, the other two being andalusite and kyanite.A common variety of sillimanite is known as fibrolite, so named because the mineral appears like a bunch of fibres twisted together when viewed in thin section or even by the naked eye.