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 90
... laterite cover , two surfaces with laterite cover , and the plains of contemporary cycle with laterite . The vestiges of first two surfaces have been identified around 550 m and 350-400 m above sea level based on accordant summits ...
... laterite cover , two surfaces with laterite cover , and the plains of contemporary cycle with laterite . The vestiges of first two surfaces have been identified around 550 m and 350-400 m above sea level based on accordant summits ...
Page 96
... laterites are considered to be of the same age as the respective surfaces . Thus the laterite is not only a mere formation but it has got time significance also . It also indicates periods of tectonic stability and instability . them ...
... laterites are considered to be of the same age as the respective surfaces . Thus the laterite is not only a mere formation but it has got time significance also . It also indicates periods of tectonic stability and instability . them ...
Page 100
... laterite is derived by the residual weathering of granitic gneiss . The contact between laterite and the bauxite has been found to be gradational . Three types of laterites are found in this area : 1 ) Primary laterites developed in ...
... laterite is derived by the residual weathering of granitic gneiss . The contact between laterite and the bauxite has been found to be gradational . Three types of laterites are found in this area : 1 ) Primary laterites developed in ...
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