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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Results 1-3 of 71
Page 18
... quartz , plagio- clase felspar , microcline , orthoclase , and mica , essentially biotite in the melanocratic layers . Plagioclase and microcline are both recorded in the melanocratic layers as well as forming the augens . The plagio ...
... quartz , plagio- clase felspar , microcline , orthoclase , and mica , essentially biotite in the melanocratic layers . Plagioclase and microcline are both recorded in the melanocratic layers as well as forming the augens . The plagio ...
Page 37
... quartz and quartzite , with fragments of greenish , pale purple and brownish shale and chert . The pebbles are 0.5 cm . to 10 cm . in size . Under the microscope , the sandstone is found to consist of angular to rounded grains of quartz ...
... quartz and quartzite , with fragments of greenish , pale purple and brownish shale and chert . The pebbles are 0.5 cm . to 10 cm . in size . Under the microscope , the sandstone is found to consist of angular to rounded grains of quartz ...
Page 41
... quartz , quartzite , altered grains of felspar , the majority of the grains being around 5 mm in size . The matrix is mostly arenaceous with some altered felspar . South of Sawa , a 5 m thick conglomerate underlies a medium to coarse ...
... quartz , quartzite , altered grains of felspar , the majority of the grains being around 5 mm in size . The matrix is mostly arenaceous with some altered felspar . South of Sawa , a 5 m thick conglomerate underlies a medium to coarse ...
Contents
RECORDS | 1 |
Geology of the area around the Panchet dam reservoir district | 9 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
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Common terms and phrases
amphibolite average grade axial plane B-folds bands basin beds Bhagwanpura Bhutan biotite boreholes calcareous calcite carbonaceous chert chert member chlorite clay coarse grained conglomerate copper Deccan Traps deposit distribution district dolerite dolomite dolomitisation drill holes dykes east facies fault felspar folds foliation formation Gangotri glacier Geol Geological Survey gneiss Gondwanas granite granulites grey Himalaya hornblende indicate interbedded Intertrappean isopach Jangpangi Jour Khairmalia Khardeola Kundarkocha lateral moraine limestone lithological Lower Vindhyan Maldeota Maleri-Kota metamorphism metres Milam glacier mineralisation minerals nala Nimbahera occur outcrops overlies Pagladiya Panchet pelitic phosphate rock phosphate unit Phuntsholing phyllite plagioclase Plate Pradesh present pyroxene quartz quartz veins quartzite ratio reservoir river rock types sample data Sand sandstone Sawa schist schistosity sedimentary sediments Series shale snout stratigraphic structures Surv Survey of India syncline tectonic thickness Thimpu thin Trap Flow upto valley values zone