Records of the Geological Survey of India, Volume 121, Parts 2-8The Survey, 1993 - 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. |
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Page 10
... grained to glassy matrix . Phenocrysts of pyroxene and plagio- clase are extremely rare . The matrix is composed of labradorite and ferroaugite ( Z C = 32 ° , 2V moder- ate ) . Intersertal texture is developed due to the presence of ...
... grained to glassy matrix . Phenocrysts of pyroxene and plagio- clase are extremely rare . The matrix is composed of labradorite and ferroaugite ( Z C = 32 ° , 2V moder- ate ) . Intersertal texture is developed due to the presence of ...
Page 18
... grained and hemicrystalline . Trachytic texture is prominently developed due to the alignment of the plagioclase laths and skeletal olivine crystals . The mineral con- stituents are olivine , plagioclase , augite and opaque oxides ...
... grained and hemicrystalline . Trachytic texture is prominently developed due to the alignment of the plagioclase laths and skeletal olivine crystals . The mineral con- stituents are olivine , plagioclase , augite and opaque oxides ...
Page 33
... grained xenoblastic quartz grains with sutured margins and undulose extinction ; bi- otite and subordinate muscovite with slender tourmaline grains . ii ) Calcareous / carbonaceous rocks The carbonaceous members are closely as- sociated ...
... grained xenoblastic quartz grains with sutured margins and undulose extinction ; bi- otite and subordinate muscovite with slender tourmaline grains . ii ) Calcareous / carbonaceous rocks The carbonaceous members are closely as- sociated ...
Contents
Structural Geometry of Ras Marble and its relationship with | 1 |
Geology of Deccan traps around TylsishyamKhambha | 9 |
Structural framework of folded Deccan basalts in Satpura 2 | 11 |
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alkaline alluvial anomaly apatite Assam Baikunthapur basalt Beldih Bihar biotite block borehole burrows carbonaceous carbonatites Chalsa clay coal coastal colour Copper Belt correlation deposits district dykes flows fluvial folds Foothill Fault Zone fossils Ganga Geol Geological Survey geology and geomorphology geomorphology geophysical GHOSH gm British Museum gm Dr gm Prof gneisses grained granite Himalayas Holocene hornfels India INDIA Records Volume intrusion Jaldhaka Jharia Kutni Laterite lineament magma magnetic metamorphism meteorites migmatites mineral mineralisation mining olivine Orissa phyllites plagioclase Pleistocene quartz quartzite Quaternary geology Quaternary landforms Rajasthan Ras Marble Recent Flood Plain region Report rhyolite ridge river basin rocks sand sandstone scarp schist seams sediments shale Shear Zone Singhbhum slide slope Smithsonian Institution soil structure Surface Surface/formation Surv Survey of India synform tectonic Terrace thickness tion Tista Torsa trend Unconformity unpublished Uttar Pradesh vitrinite West Bengal