Records of the Geological Survey of India, Volume 112, Part 7The Survey, 1982 - 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 32
... consists of fine to medium grained , rounded grains of quartz ( over 90 % ) in a siliceous cement . Red or brown blotches and purplish or bluish stains are present . This quartzite is mainly an orthoquartzite . The following is the ...
... consists of fine to medium grained , rounded grains of quartz ( over 90 % ) in a siliceous cement . Red or brown blotches and purplish or bluish stains are present . This quartzite is mainly an orthoquartzite . The following is the ...
Page 35
... consists of fine to medium grained quartz in a siliceous cement , the individual grains being rounded to sub - rounded . The upper horizons of Khardeola quartzite are conglomeratic , having at places rounded pebbles of quartz and ...
... consists of fine to medium grained quartz in a siliceous cement , the individual grains being rounded to sub - rounded . The upper horizons of Khardeola quartzite are conglomeratic , having at places rounded pebbles of quartz and ...
Page 38
... consists of highly altered euhedral plagioclase ( albite ) , perthite microcline , anhedral quartz , chlorite and secondary ( ? ) calcite . Biotite and sericite are seen . A few grains of magnetite , sphene , apatite , zoisite and ...
... consists of highly altered euhedral plagioclase ( albite ) , perthite microcline , anhedral quartz , chlorite and secondary ( ? ) calcite . Biotite and sericite are seen . A few grains of magnetite , sphene , apatite , zoisite and ...
Contents
Coastal geomorphology of Bhavnagar Gujarat India O | 1 |
Sediments of river Mendhaan admixture of humid and arid epoch | 11 |
CONTENTS | 16 |
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Ajabgarh Group albite Alwar Group Aravalli Aund axial Banded Gneissic Complex Bari Sadri basin Bayana beds Berach Granite Bhadesar Bhavnagar biotite Buchara Bundelkhand Gneiss calcite chert chlorite colour conglomerate country rocks cross-bedding Delhi Delhi Supergroup deposits district dolomite east eastern emplacement epidote facies fault felsite felspar felspathic ferruginous folds foliation fractures Geol Geological Survey geosynclinal cycle Gneiss grade grains of quartz granite porphyry grey Gujarat hornblende intrusive Jahaj Jaipur Jogipura Formation Khardeola Khareri Khetri Kushalgarh Kutch limestone magmatic matrix metamorphism metasediments mica schist microcline migmatites mineralisation minerals muscovite NE-SW Nithar northeastern Rajasthan occur oligoclase oolites orthoclase pebbles pegmatite phase phenoclasts phyllites places Pre-Aravalli pre-Delhi quartz quartz felsite quartzite Raialo Rajasthan ripple marks Salenia sand sandstone schist sedimentary sedimentation seen sequence sericite shale shows siliceous Sita slates specimen stratigraphic Supergroup surface Surv Survey of India tectonic terrace thick trend unconformity veins Vindhyan western zone