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 10
... 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 - grained to coarse porphyritic vareity . The ...
... 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 - grained to coarse porphyritic vareity . The ...
Page 133
... quartz veins occurs in the area . Small grains of emerald are found in some pieces of amphibolite from the debris ... quartz and 54 of soil were collected . The rock types en- countered are mica - schist , phyllites , chert , quartzites ...
... quartz veins occurs in the area . Small grains of emerald are found in some pieces of amphibolite from the debris ... quartz and 54 of soil were collected . The rock types en- countered are mica - schist , phyllites , chert , quartzites ...
Page 175
... veins and disseminations . The deposit is small and mineralization is irregular . QUARTZ Andhra Pradesh Visakhapatnam district . - A few quartz veins occurring 1.6 km . east of Erkannapalem ( 17 ° 36 ′ : 82 ° 46 ' ) were examined by K ...
... veins and disseminations . The deposit is small and mineralization is irregular . QUARTZ Andhra Pradesh Visakhapatnam district . - A few quartz veins occurring 1.6 km . east of Erkannapalem ( 17 ° 36 ′ : 82 ° 46 ' ) were examined by K ...
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