Records of the Geological Survey of India, Volume 114, Part 5The Survey, 1982 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 62
... minerals in the anorthosite of Attapadi . The anorthositic rocks are metamorphosed , the effects of which are shown by the association of its primary mineral assemblage ( P ) with some secondary ( metamorphic / metasomatic ) minerals ...
... minerals in the anorthosite of Attapadi . The anorthositic rocks are metamorphosed , the effects of which are shown by the association of its primary mineral assemblage ( P ) with some secondary ( metamorphic / metasomatic ) minerals ...
Page 64
... minerals . Plagioclase megacrysts as big as 12 cm in length are observed and some of them show play of colours . Towards the peripheral portion of the body , the rock grades to gabbroic anorthosite . Gabbro also occurs as a minor ...
... minerals . Plagioclase megacrysts as big as 12 cm in length are observed and some of them show play of colours . Towards the peripheral portion of the body , the rock grades to gabbroic anorthosite . Gabbro also occurs as a minor ...
Page 89
... Mineral Wealth , Geoffrey Cumberlege , Oxford University Press , pp . 575-643 . Dake , H C , Fleener F L and Wilson , B H , 1938 : Quartz family minerals . Mc . Graw Hill Book Company , New York , p . 294 Iyer , L A N , 1948 : A Hand ...
... Mineral Wealth , Geoffrey Cumberlege , Oxford University Press , pp . 575-643 . Dake , H C , Fleener F L and Wilson , B H , 1938 : Quartz family minerals . Mc . Graw Hill Book Company , New York , p . 294 Iyer , L A N , 1948 : A Hand ...
Contents
A genetic model for the Sandur manganese ores RN Mishra | 10 |
A note on the intertrappean stratigraphy of Gandhari Kamareddi and Ramayampet areas Nizamabad 19 | 19 |
On the high grade schistose rocks equivalent to the Sargur schist complex in Kasaragod taluk | 31 |
Copyright | |
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Common terms and phrases
alteration Andhra Pradesh anorthosite anorthositic rocks apatite Archaean ascomata Attapadi Barakar Formation bauxite bauxite deposits belt biotite borehole Cannanore Cannanore district charnockite Chlorite chrysoberyl clay coal seams coal-sand ratio colour contours corundum Cuddapah Basin diopside emerald Ephesite facies feldspar fibrous quartz foliation fossil gabbro garnet garnetiferous sillimanite gneiss gem tracts gemstones Geol Surv Ind Geological Survey gneiss grains granite granulite green high grade hornblende idiomorphic magnetite crystals Intertrappean bed iolite iron isopach Jour Geol Kabbani Karnataka Kerala Krishna kyanite laterite lignite lineament lithofacies lithological magnetite manganese Margarite massif metamorphism migmatite minerals moonstone Mysore Nair number of coal occur ostiole pegmatite Perinthatta plagioclase planation surfaces pollen pyroxene quartz quartzite Ramanujam ratio map regional ruby samples sand Sandur sapphire Schist sedimentary sediments sillimanite South southern strand plain stratiform stratigraphic Survey of India taluk Tamil Nadu tectonic Tertiary thickness trend upto Warkalli Wynad zircon