Records of the Geological Survey of India, Volume 105The Survey, 1973 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
From inside the book
Results 1-3 of 82
Page 190
... veins . The foliation trend in the rocks is mainly E.N.E.-W.S.W. with local variations to N.E.— S.W. , E.-W. and N.N.E.-S.S.W. with steep dips to the south . The graphite veins are localised along thin pegmatite veins following the ...
... veins . The foliation trend in the rocks is mainly E.N.E.-W.S.W. with local variations to N.E.— S.W. , E.-W. and N.N.E.-S.S.W. with steep dips to the south . The graphite veins are localised along thin pegmatite veins following the ...
Page 267
... veins of an average width of 10-15 cm , within 10 m width of such bands , the veins extending parallel to the strike of the bands . There are also veins which are almost perpendicular to the strike of the formations . All these quartz veins ...
... veins of an average width of 10-15 cm , within 10 m width of such bands , the veins extending parallel to the strike of the bands . There are also veins which are almost perpendicular to the strike of the formations . All these quartz veins ...
Page 207
... veins are given off , the pre- sent specimen possesses numerous forked veins mostly given off directly from the rachis and there is no mid - rib . It differs from T. chunakhalensis Sah and Sukhdev which has a prominent mid - rib ...
... veins are given off , the pre- sent specimen possesses numerous forked veins mostly given off directly from the rachis and there is no mid - rib . It differs from T. chunakhalensis Sah and Sukhdev which has a prominent mid - rib ...
Contents
CENTRAL HEADQUARTERS | 1 |
NORTHERN REGION | 46 |
ORGANISATIONAL SET UP | 437 |
Copyright | |
14 other sections not shown
Other editions - View all
Common terms and phrases
alignment alluvium amphibolite Andaman Andhra Pradesh anorthosites Archaean bands Baratang basalt basin bauxite beds Bihar biotite boreholes Carboniferous carried charnockite Circle clay coal coalfield conglomerate copper Deccan Trap deposits depth to water dips Director district Division dolerite dolomite drill holes dykes exploration exploratory exposed folds foliation Formation fossils garnetiferous geochemical geohydrological geological mapping Geological Survey Geologists Jr geophysical gneisses Gondwana grade grained granite groundwater Group horizon indicated investigation island Kashmir km on scale Laboratory laterite limestone located logging Madhya Pradesh mapped an area mapped on scale metres million tonnes mineral mineralisation nala occur pegmatite phosphorite phyllite pits Project pyrite quartz veins quartzite Rajasthan regional river rock types samples sandstone Sarvashri schist seams sediments shales Sharma shear zones Shri Singh slate spillway sq km strike length studies Survey of India thickness tion topo-sheets traversed trend tunnel ultrabasic Upper upto valley varies