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- |
From inside the book
Results 1-3 of 21
Page 10
... RHYOLITE Though the entire rhyolitic complex stands as a dome in the metasediments of Delhi Super Group of rocks , along a volcanic pipe , four distinct flows of rhyolite magma separated by thin ash beds ranging in thickness between 0.3 ...
... RHYOLITE Though the entire rhyolitic complex stands as a dome in the metasediments of Delhi Super Group of rocks , along a volcanic pipe , four distinct flows of rhyolite magma separated by thin ash beds ranging in thickness between 0.3 ...
Page 12
... rhyolite magma at a later stage . The first two sets of joints constitute the prominent shear joints deve- loped at the onset of shear stresses before the extru- sion of the rhyolite magma . The extrusion of the magma was accompanied by ...
... rhyolite magma at a later stage . The first two sets of joints constitute the prominent shear joints deve- loped at the onset of shear stresses before the extru- sion of the rhyolite magma . The extrusion of the magma was accompanied by ...
Page 28
... rhyolite dome with the metasediments , whereas the dyke on the northern face of the hill is parallel to the con- tact of rhyolite and granitised - rocks in its central part and cuts through the former at both the ends . This paper deals ...
... rhyolite dome with the metasediments , whereas the dyke on the northern face of the hill is parallel to the con- tact of rhyolite and granitised - rocks in its central part and cuts through the former at both the ends . This paper deals ...
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 |
26 other sections not shown
Other editions - View all
Common terms and phrases
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