Records of the Geological Survey of India, Volume 107Geological Survey of India, 1976 - 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. |
From inside the book
Results 1-3 of 21
Page 21
... felspar crystals set in a.greenish matrix of pyroxene , felspar and glassy matter of faintly recognizable nature , due to intense alteration , is adjudged . The traps of the area can thus be classified into the following recogniz- able ...
... felspar crystals set in a.greenish matrix of pyroxene , felspar and glassy matter of faintly recognizable nature , due to intense alteration , is adjudged . The traps of the area can thus be classified into the following recogniz- able ...
Page 26
... felspar crystals ( Pl 9 , Fig 6 ) , pyroxene granules ( Pl 10 , Fig 1 ) , opaque iron ores , mostly magnetite ( Pl 10 , Figs 4 , 6 ) and calcite . The glass has in many cases altered to palagonite ( Pl 12 , Fig 6 ) . Quite frequently ...
... felspar crystals ( Pl 9 , Fig 6 ) , pyroxene granules ( Pl 10 , Fig 1 ) , opaque iron ores , mostly magnetite ( Pl 10 , Figs 4 , 6 ) and calcite . The glass has in many cases altered to palagonite ( Pl 12 , Fig 6 ) . Quite frequently ...
Page 36
... felspar being deficient . Plane Polarised light photomicrograph of Fig 4 from Jawahar Tunnel . ( All Figures are from thin sections under crossed nicols , X 105 ) Fig 1. Part of a zeolite crystal in a matrix of felspar microlites ...
... felspar being deficient . Plane Polarised light photomicrograph of Fig 4 from Jawahar Tunnel . ( All Figures are from thin sections under crossed nicols , X 105 ) Fig 1. Part of a zeolite crystal in a matrix of felspar microlites ...
Contents
On studies of the Agglomeratic Slate and Panjal Trap in the Jhelum | 12 |
Chandranath granite Goa by A R Gokul and M D Srinivasan | 38 |
Geometry and age relation of minor folds in the Daling metamorphites | 46 |
10 other sections not shown
Other editions - View all
Common terms and phrases
acid agglomeratic slates Archaean assemblage Bababudan Group bands Barakar basalts bedrock beds Bihar biotite Boulder Conglomerate calcareous Chitradurga chlorite clays coal correlation craton Cuddapah deposits Dhok Pathan district east epidote facies felspar flora of India folds formation fossil galena Garo Hills Geoclemys Geol Geological Survey Glossopteris Glossopteris flora gneiss gneissic complex Gondwana grained greenish grey greenstone belts greyish high grade schists Ibid indicated isotopic Karharbari Kashmir Khasi Kurnool laterite limestone Lower Gondwana Lower Karewas metamorphism metres mineralisation minerals non-porphyritic occur overlying Palaeobotanist Panchet Panjal trap phenocrysts phyllite Pinjor Plate Pleistocene Pliocene porphyritic pyroxene quartz quartzite Raniganj Raniganj Coalfield Sandstone schist schist belts schistose schistose rocks sediments sequence shales Siwalik stratigraphic Supergroup Surv Survey of India Sylhet Sylhet Limestone Sylhet Sandstone Talchir Tatrot tectonic Tertiary thick unconformity Upper upto valley Vindhyan volcanic Western Block zeolite zone