Records of the Geological Survey of India, Volume 112, Parts 7-8Government of India, 1981 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 10
... volcanic glass- devitrified into either orthoclase or quartz , palago- nite ( ? ) , magnetite , epidote formed from felspar , and tourmaline . Plagioclases show zoning also . Biotite is generally chloritised and occurs in acicular form ...
... volcanic glass- devitrified into either orthoclase or quartz , palago- nite ( ? ) , magnetite , epidote formed from felspar , and tourmaline . Plagioclases show zoning also . Biotite is generally chloritised and occurs in acicular form ...
Page 120
... volcanic and plutonic types . The volcanics include basalt , spilite , keratophyre and andesite , while the plutonics are made up of -dunite ( with chromitite ) , serpentinite and occasio- nally peridotite . The ultramafites occur as ...
... volcanic and plutonic types . The volcanics include basalt , spilite , keratophyre and andesite , while the plutonics are made up of -dunite ( with chromitite ) , serpentinite and occasio- nally peridotite . The ultramafites occur as ...
Page 50
... volcanic products . Two types of flows have been recognised in this formation i.e. , one resembling the pahoehoe type which is most predominant and the other resembling the Aa type which occurs either associated with volcanic breccia or ...
... volcanic products . Two types of flows have been recognised in this formation i.e. , one resembling the pahoehoe type which is most predominant and the other resembling the Aa type which occurs either associated with volcanic breccia or ...
Contents
RECORDS | 1 |
Geology Structure and Sulphide Mineralisation of Tosham District Bhiwani Haryana | 7 |
Geology and Geochemistry of Sulphide Mineralisation in Teejanwali Hill Mahendragarh | 17 |
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Ajabgarh albite altered anomaly Aravalli Banded Gneissic Complex Bari Sadri basin Bayana beds belt Berach Berach Granite Bhadesar biotite calcite chert chlorite colour conglomerate country rocks crystalline Delhi Supergroup Deoban deposits district dolomite east eastern epidote fault felspar fluvial folds foliation Formation fractures Geol Geological Survey glacial glacier gneiss grade grains granite grey groundmass Himalaya hornblende intrusive Jamuna Jogipura Jutogh kankar limestone magmatic magnetite Mandhali metamorphism metasediments metres mica schist microcline migmatites mineralisation minerals muscovite NE-SW Nithar NW-SE occur oligoclase orthoclase overlying pebbles pegmatite phase phenoclasts phyllite places plagioclase Plate-1 porphyry Pre-Aravalli pre-Delhi Purola quartz quartzite Rajasthan region rhyolite river samples sand Sandstone schist schistose sediments seen sequence sericite shale shows slate sphene stratigraphic Sub-basin Supergroup surface Surv Survey of India tectonic terraces texture thick thin Thrust Tosham trend tuff unconformity valley veins Vindhyan Volcanics Wazri zircon zone