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 81
... phases of folding have been recognised . The first phase of folding ( F1 ) by which S1 - surfaces have been folded , is represented by the NE - SW trending moderately tight to tightly inverted isoclinal folds in the Deoban tectonic unit ...
... phases of folding have been recognised . The first phase of folding ( F1 ) by which S1 - surfaces have been folded , is represented by the NE - SW trending moderately tight to tightly inverted isoclinal folds in the Deoban tectonic unit ...
Page 123
... phase contemporaneous with mine- ralisation . NATURE AND MAGNITUDE OF CHEMICAL CHANGES The nature and magnitude of chemical changes in the mineralised dunite , is represented in SiO2- MgO - Fe2O3 diagram ( Plate - 3 ) . The chemical be ...
... phase contemporaneous with mine- ralisation . NATURE AND MAGNITUDE OF CHEMICAL CHANGES The nature and magnitude of chemical changes in the mineralised dunite , is represented in SiO2- MgO - Fe2O3 diagram ( Plate - 3 ) . The chemical be ...
Page 134
... phase of climatic and eustatic changes together with uplift in the Himalayan ranges . 4 In the second phase while Jamuna and Giri had already formed one prominent terrace each , Tons joined the scene of terrace building activity and ...
... phase of climatic and eustatic changes together with uplift in the Himalayan ranges . 4 In the second phase while Jamuna and Giri had already formed one prominent terrace each , Tons joined the scene of terrace building activity and ...
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