Records of the Geological Survey of India, Volume 106The Survey, 1975 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 175
... mica are noted in pegmatite veins within mica schists country to the southwest of Dhengura ( 23 ° 57 ′ : 85 ° 20′30 ′′ ) ( 72E / 5 ) . One of the veins is being worked by a private concern . The maximum thickness of veins goes upto 3 m ...
... mica are noted in pegmatite veins within mica schists country to the southwest of Dhengura ( 23 ° 57 ′ : 85 ° 20′30 ′′ ) ( 72E / 5 ) . One of the veins is being worked by a private concern . The maximum thickness of veins goes upto 3 m ...
Page 208
... mica schists , mica schists and phyllites with gondite and manganese ore bodies , sheared quartzite- conglomerate rock , banded carbon quartzite and carbon phyllite inter- bedded with mica schist bands and dolomitic marble / calc ...
... mica schists , mica schists and phyllites with gondite and manganese ore bodies , sheared quartzite- conglomerate rock , banded carbon quartzite and carbon phyllite inter- bedded with mica schist bands and dolomitic marble / calc ...
Page 209
MICA Bihar Hazaribagh district : Bhattacharyya investigated mica pegmatites in parts of Hazaribagh district . The quantum of work carried out comprises 31 sq km of geological mapping on scale 1 : 63,360 and 49 sq km of geological ...
MICA Bihar Hazaribagh district : Bhattacharyya investigated mica pegmatites in parts of Hazaribagh district . The quantum of work carried out comprises 31 sq km of geological mapping on scale 1 : 63,360 and 49 sq km of geological ...
Contents
Volume 106 | 1 |
WESTERN REGION | 16 |
Engineering and Transport Division | 82 |
Copyright | |
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alignment alluvium amphibolite Andhra Pradesh Asstt bands basalt basin bauxite Bihar biotite block bore holes boreholes Calcutta carried charnockite chert clay coal coalfield comprising copper Deccan Trap Delhi deposits depth Director district Division dolerite dolomite drill holes dykes east electrical logging exploration exploratory fault felspar foliation formation fossils garnetiferous geochemical geohydrological geological investigations geological mapping Geological Survey Geologist Jr geophysical Ghosh gneiss Gondwana grade grained granite gneiss graphite grey Groundwater hornblende indicated laboratory laterite limestone located Lucknow metres million tonnes mineralisation minerals nala occurs Orissa pegmatite phosphate phyllites pits power house Pradesh Project quartz quartzite Rajasthan Region river rock types S/Shri samples sandstone schist seams sediments shales Sharma shear Shri Singh Sinha spillway Srivastava strike length studies Survey of India systematic thickness thin toposheet Trap Flow traverse trending tubewells tunnel upto valley varies veins Vindhyan West Bengal zone