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 65
... grade ( Range of temperature approximately 500 ° C to 700 ° C ) Staurolite in , cordierite in , chloritoid out , chlorite out Greenschist facies group ( Low pressure series ) 1 Almandine forms at high temperature range of low grade ...
... grade ( Range of temperature approximately 500 ° C to 700 ° C ) Staurolite in , cordierite in , chloritoid out , chlorite out Greenschist facies group ( Low pressure series ) 1 Almandine forms at high temperature range of low grade ...
Page 68
... grade rocks is sericitic and occur as shreds . Develop- ment of biotite in low grade rocks can be explained at the expense of muscovite and chlorite . Garnet ( alman- dine ) occurs as porphyroblasts , which are sometimes flattened ...
... grade rocks is sericitic and occur as shreds . Develop- ment of biotite in low grade rocks can be explained at the expense of muscovite and chlorite . Garnet ( alman- dine ) occurs as porphyroblasts , which are sometimes flattened ...
Page 70
... grade . The mineral assemblage includes sillimanite , garnet , biotite and K - felspar in the pelitic schists , hornblende , plagioclase and quartz in basic rocks and diopside , calcite and quartz in carbonate rocks . CONCLUSIONS In ...
... grade . The mineral assemblage includes sillimanite , garnet , biotite and K - felspar in the pelitic schists , hornblende , plagioclase and quartz in basic rocks and diopside , calcite and quartz in carbonate rocks . CONCLUSIONS In ...
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