Records of the Geological Survey of India, Volume 113, Parts 4-6The Survey, 1980 - 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 34
... basalt flows and their variants extruded between the late Cretaceous and early Eocene times . Certain extrusive and intrusive felsic and mafic types of rocks are associated with the basalts in Bombay Islands which is in contrast to the ...
... basalt flows and their variants extruded between the late Cretaceous and early Eocene times . Certain extrusive and intrusive felsic and mafic types of rocks are associated with the basalts in Bombay Islands which is in contrast to the ...
Page 38
... BASALT FLOWS ELEPHANTA , NHAVA AND SHEVA ISLAND REGION PY - PYROCLASTIC BEDS FIG . 3 E ( NOT TO SCALE ) SCHEMATIC REPRESENTATION OF SUB - SURFACE STRATIGRAPHIC SUCCESSION OF BASALT FLOWS AND INTERSTRATIFIED PYRO- CLASTIC BEDS Schematic ...
... BASALT FLOWS ELEPHANTA , NHAVA AND SHEVA ISLAND REGION PY - PYROCLASTIC BEDS FIG . 3 E ( NOT TO SCALE ) SCHEMATIC REPRESENTATION OF SUB - SURFACE STRATIGRAPHIC SUCCESSION OF BASALT FLOWS AND INTERSTRATIFIED PYRO- CLASTIC BEDS Schematic ...
Page 101
Geological Survey of India. Basalt lava flows ( Deccan Trap ) Flow No , I : The Flow No. I is coarse to fine grained vesicular basalt . The vesicles vary in size from 0.2 mm to 0.8 mm and the average size of vesicles is 4.5 mm . The ...
Geological Survey of India. Basalt lava flows ( Deccan Trap ) Flow No , I : The Flow No. I is coarse to fine grained vesicular basalt . The vesicles vary in size from 0.2 mm to 0.8 mm and the average size of vesicles is 4.5 mm . The ...
Contents
Part | 1 |
Problems of correlation of PreGondwana rock units of Arunachal Pradesh and adjoining areasa review | 15 |
The Sung Valley alkaline ultramafic carbonatite complex East Khasi and Jaintia Hills districts Meghalaya | 24 |
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Common terms and phrases
alluvium anorthosite assemblage associated augite bands basalt flows basin beds belt biotite Bombay bore holes borehole calcite carbonatite Charnockite chert chlorite chromite clay clinopyroxene coal complex Deccan Trap deposits developed district drainage dykes emplaced fault felspar fluorite folds Formation fossil fragments gabbro geochemical Geol Geological Survey geomorphic gneisses Gondwana grade grains granite granulites greisens grey groundmass Group hill Himalayas ijolite indicated intrusive laterite layers limestone magnetite Manipur mapping Meghalaya metamorphic metres migmatites mineralisation minerals Narmada occur olivine opaque ophiolite phenocrysts phosphorite phyllite plagioclase Plate porphyritic Pradesh present pyroclastic pyroxene pyroxenite quartz quartz veins quartzite region river rocks samples sandstone schist seam sedimentary sediments sequence serpentinite shale sillimanite soil stratigraphic structure studies sub-surface surface Surv Survey of India Tapti tectonic thickness thin tion trending tuff ultramafic Unpublished GSI Report upto Vaghur valley volcanic zone