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 20
... quartz are also seen enclosed by felspars , and micrographic intergrowth between quartz and felspar is also seen . Biotite occurs as flakes and plates of brownish or reddish brown colour , occurring associated with hornblende or in ...
... quartz are also seen enclosed by felspars , and micrographic intergrowth between quartz and felspar is also seen . Biotite occurs as flakes and plates of brownish or reddish brown colour , occurring associated with hornblende or in ...
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 | 13 |
Lower Vindhyan Formations of Rajasthan by Balmiki Prasad | 31 |
Copyright | |
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Common terms and phrases
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