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 9
... nature from medium - grained phanerocrystalline to porphyritic . It consists of plagioclase , orthoclase , quartz , biotite , iron ore , sphene and zircon . Plagioclase varies in composition from albite to andesine . The felspars ...
... nature from medium - grained phanerocrystalline to porphyritic . It consists of plagioclase , orthoclase , quartz , biotite , iron ore , sphene and zircon . Plagioclase varies in composition from albite to andesine . The felspars ...
Page 101
... NATURE OF OCCURRENCE Hitherto , it was presumed that the occurrence of kankar in nature is highly erratic and without any adequate geological , geomorphological and geohy- drological reflections . However , recently , Anand and Awasthi ...
... NATURE OF OCCURRENCE Hitherto , it was presumed that the occurrence of kankar in nature is highly erratic and without any adequate geological , geomorphological and geohy- drological reflections . However , recently , Anand and Awasthi ...
Page 116
... nature of mineralisa- on of all the reported chromite occurrences in the above belt . The coarse - grained , greyish green and com- aratively less altered dunite is found to be the favourable host rock for chromite mineralisation . The ...
... nature of mineralisa- on of all the reported chromite occurrences in the above belt . The coarse - grained , greyish green and com- aratively less altered dunite is found to be the favourable host rock for chromite mineralisation . The ...
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