Records of the Geological Survey of India, Volume 112, Part 8The Survey, 1981 - 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
... 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 |
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anomaly bands basin Bhander biotite calcareous Chail chemical chromite chromite mineralisation comprises conglomerate Deoban belt Deoban Group depth Dharamsala Dharmigad district dunite dykes exposed fault felspar folds geochemical Geol Geological Survey Giri glacial glacier gneiss granite grey groundmass Haryana Himalaya ignimbrites Jamuna Jaunsar Jutogh Jutogh Thrust Kaimur Kallar kankar kankar deposits Kulu limestone Lower Main Central Thrust Mandhali Formation mapping metres minerals Morar-Chakrata nala Narkasi Naugaon Nawagaon occur pebbles Permian phenocrysts phyllite plagioclase Plate-1 porphyroblastic porphyry Pradesh quartz quartzite Quaternary Raina Ramganga rhyolite river rocks Salnian samples sand Sandstone Sauli Formation schist schistose sediments sequence sericite Shale shear zone shelly bedded kankar silt siltstone Simla Siwalik slate slope soil Spiti stratigraphic structure Surv Survey of India Table-1 tectonic thickness tion Tiuni Tons valley Tosham hill Tr Tr trend tuff lavas Unpub Upper upto values Vindhyan volcanic Yamuna valley