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 34
... occur 8 km SW of Mulleria i.e. , to the south of Kasa- ragod - Mercara Road in the neighbourhood of Muliyar . They occur amidst quartzo - feldspathic gneiss and the terrain is highly lateritised . Sillimanite is often seen in great ...
... occur 8 km SW of Mulleria i.e. , to the south of Kasa- ragod - Mercara Road in the neighbourhood of Muliyar . They occur amidst quartzo - feldspathic gneiss and the terrain is highly lateritised . Sillimanite is often seen in great ...
Page 51
... occurring in association with phyllites and quartzites in the Velikonda range . 4. Mangampeta ( 57 N / 8 , 14 ° 01 ′ ; 79 ° 19 ′ ) Mangampeta is situated in the south - central part of the basin . Idiomorphic pyrite is observed to occur ...
... occurring in association with phyllites and quartzites in the Velikonda range . 4. Mangampeta ( 57 N / 8 , 14 ° 01 ′ ; 79 ° 19 ′ ) Mangampeta is situated in the south - central part of the basin . Idiomorphic pyrite is observed to occur ...
Page 60
... occur mainly as layers in Archaean gneisses . Windley ( 1970 ) classifies these anorthosites as Group - III ( basement ) anorthosites . Of these , best known occur- rences are those of " massif " type of mid - Proterozoic age ( Isachsen ...
... occur mainly as layers in Archaean gneisses . Windley ( 1970 ) classifies these anorthosites as Group - III ( basement ) anorthosites . Of these , best known occur- rences are those of " massif " type of mid - Proterozoic age ( Isachsen ...
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