Records of the Geological Survey of India, Volume 100The Survey, 1972 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 4
... granite schist to coarse biotite - gneiss and granite gneiss . These are intruded con- cordantly by the granite of the Kyllang pluton . Away from the pluton the foliation is roughly N.E.-S.W. Two types of granite are seen , the later ...
... granite schist to coarse biotite - gneiss and granite gneiss . These are intruded con- cordantly by the granite of the Kyllang pluton . Away from the pluton the foliation is roughly N.E.-S.W. Two types of granite are seen , the later ...
Page 10
... granite gneiss , anorthosite , pegmatites and ⚫ quartz veins and the Lower Gondwana ( ? ) sandstone . The khon- dalitic rocks and pyroxene - granulite occur as bands and lenses in granite gneiss . The granite gneiss varies from fine ...
... granite gneiss , anorthosite , pegmatites and ⚫ quartz veins and the Lower Gondwana ( ? ) sandstone . The khon- dalitic rocks and pyroxene - granulite occur as bands and lenses in granite gneiss . The granite gneiss varies from fine ...
Page 62
... granite Archaean . Garnetiferous granite Hornblende - granite Banded magnetite - quartzite Sillimanite - biotite schist . Among the Archaean members the grey and pink biotite- granite is by far the most predominant rock type in the area ...
... granite Archaean . Garnetiferous granite Hornblende - granite Banded magnetite - quartzite Sillimanite - biotite schist . Among the Archaean members the grey and pink biotite- granite is by far the most predominant rock type in the area ...
Contents
GEOLOGICAL SURVEYS | 1 |
NORTHERN REGION | 16 |
SOUTHERN REGION | 46 |
Copyright | |
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alignment alluvium amphibolite Andhra Pradesh anticline Archaean Assistant Geologists Asstt bands Banerjee basalt bauxite Bihar boreholes Calcutta carried out systematic cent charnockites Circle Office clay coal coalfield covered an area Deccan Traps Delhi deposits depth dips district Ditto Ditto dolerite dolomite dykes examined exposed fault folded foliation formations fossils geochemical geological mapping Geologists Geologists Junior Geophysics Ghosh gneiss Gondwana grade granite gneiss graphite ground level groundwater Gujarat Gupta intrusive investigation iron-ore Jammu laboratory laterite latitudes limestone longitudes Madhya Pradesh Madras Maharashtra mapped an area mapping scale metres mica-schist million tonnes mineralisation minerals nala occurs Orissa pegmatite phyllites power house Project proposed quartz quartz veins quartzite Rajasthan recommended Regional river bed rock types samples sandstone Sarvashri schist seams shales Sharma sheet Shri Singh Sinha slates spillway Srivastava strike studies Superintending Geologist-in-Charge syncline taluk thickness thrust tion topo-sheet trend tubewells tunnel upto varies West Bengal zone