Records of the Geological Survey of India, Volume 106Geological Survey of India, 1975 - 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 15
... gneisses . The common varieties of the gneiss include granitoid gneiss , porphyroblastic gneiss with felspar crystals , quartzo - felspathic gneiss , and micaceous gneiss . The granulites show hornblende and biotite , any of which may ...
... gneisses . The common varieties of the gneiss include granitoid gneiss , porphyroblastic gneiss with felspar crystals , quartzo - felspathic gneiss , and micaceous gneiss . The granulites show hornblende and biotite , any of which may ...
Page 17
... gneisses . Rock Types Gneisses The gneisses include granitoid gneiss , porphyroblastic gneiss , quart- zose gneiss , and micaceous gneiss . Granitoid gneiss has gneissose pattern developed due to the streaky elongation of the mica ...
... gneisses . Rock Types Gneisses The gneisses include granitoid gneiss , porphyroblastic gneiss , quart- zose gneiss , and micaceous gneiss . Granitoid gneiss has gneissose pattern developed due to the streaky elongation of the mica ...
Page 28
... gneiss to banded gneiss to porphyroblastic gneiss and augen gneiss . It is likely that the alkaline solutions possibly permeated the biotite - gneisses gradually , formed lenses of felspars and then the porphyroblasts and augens of ...
... gneiss to banded gneiss to porphyroblastic gneiss and augen gneiss . It is likely that the alkaline solutions possibly permeated the biotite - gneisses gradually , formed lenses of felspars and then the porphyroblasts and augens of ...
Contents
RECORDS | 1 |
Geology of the area around the Panchet dam reservoir district | 13 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
Copyright | |
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amphibolite average grade axial plane B-folds bands basic basin beds Bhagwanpura Bhutan Binota Shale biotite boreholes calcareous calcite carbonaceous chert chert member chlorite clay coarse grained conglomerate copper Deccan Traps deposit distribution district dolomite dolomitisation drill holes east facies fault felspar folds formation fossil Gangotri glacier Geol Geological Survey gneiss Gondwanas granite granulites grey hornblende indicate interbedded Intertrappean isopach Jangpangi Jour Khairmalia Khardeola Kundarkocha lateral moraine limestone lithological Lower Vindhyan Maldeota Maleri-Kota metamorphism metres microcline Milam Milam glacier mineralisation minerals nala occur outcrops overlies Pagladiya Panchet pelitic phosphate rock phosphate unit Phuntsholing phyllite plagioclase Plate present pyroxene quartz quartz veins quartzite ratio reservoir retreat river rock types Sala sample data Sand sandstone Sawa schist schistosity sedimentary sediments Series shale snout stratigraphic structures Survey of India syncline tectonic thickness Thimpu thin Trap Flow upto valley values zone