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 20
... zones occurring towards the base . The conglomerate contains subangular pebbles of quartz , granite and weathered Trap ... zone : Gastropods : Bullinus elongatus . B. prenseppii Pelecypods : Fragments of Indonaia sp . Ostracods : Cyprina ...
... zones occurring towards the base . The conglomerate contains subangular pebbles of quartz , granite and weathered Trap ... zone : Gastropods : Bullinus elongatus . B. prenseppii Pelecypods : Fragments of Indonaia sp . Ostracods : Cyprina ...
Page 53
... zone or shear zone in which case the idiomorphic nature is again due to the tectonic activity . It is erroneous to attribute the presence of idiomorphic magnetite crys- tals and the fibrous quartz around them purely to volcanic origin ...
... zone or shear zone in which case the idiomorphic nature is again due to the tectonic activity . It is erroneous to attribute the presence of idiomorphic magnetite crys- tals and the fibrous quartz around them purely to volcanic origin ...
Page 54
... zones . Fig . 1. Geological map of the area around Sultan's. INTRODUCTION The During the course of regional exploration for ... zone between migmatites and the meta - ultramafites . occurrence evolves a great deal of interest since it has ...
... zones . Fig . 1. Geological map of the area around Sultan's. INTRODUCTION The During the course of regional exploration for ... zone between migmatites and the meta - ultramafites . occurrence evolves a great deal of interest since it has ...
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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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