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 33
... fragments , and crystals and fragments of quartz , plagioclase and K - felspars in a microcrystalline ground- mass ( Pl . 1 , Figs . 3 and 4 ) . The rock frag- ments are of andesite , tuff , quartz - porphyry and chert . Glass fragments ...
... fragments , and crystals and fragments of quartz , plagioclase and K - felspars in a microcrystalline ground- mass ( Pl . 1 , Figs . 3 and 4 ) . The rock frag- ments are of andesite , tuff , quartz - porphyry and chert . Glass fragments ...
Page 34
... fragments and felspar phenocrysts . Under the microscope , it is a typical crystal - vitric tuff , consisting of mine- rals , rocks and their fragments in a ground- mass of ash . The ash particles are crescent- shaped , horn - like and ...
... fragments and felspar phenocrysts . Under the microscope , it is a typical crystal - vitric tuff , consisting of mine- rals , rocks and their fragments in a ground- mass of ash . The ash particles are crescent- shaped , horn - like and ...
Page 147
... fragments cemen- ted by the percolating solutions has , at places , attained thickness of 50 m , and wherever traversed by deep cut ravines , this Quaternary deposit has given rise to terraces . The Katra Terrace , formed likewise , is ...
... fragments cemen- ted by the percolating solutions has , at places , attained thickness of 50 m , and wherever traversed by deep cut ravines , this Quaternary deposit has given rise to terraces . The Katra Terrace , formed likewise , is ...
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