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
... 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 disposition of some other quartzite ...
... 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 disposition of some other quartzite ...
Page 33
... rounded quartzite , chert , angular shale and rounded jasper in a partly argillaceous matrix . No granite pebbles are seen except a few felspar grains in coarse grained sandstone to which the conglomerate grades along the strike . Just ...
... rounded quartzite , chert , angular shale and rounded jasper in a partly argillaceous matrix . No granite pebbles are seen except a few felspar grains in coarse grained sandstone to which the conglomerate grades along the strike . Just ...
Page 35
... rounded to sub - rounded . The upper horizons of Khardeola quartzite are conglomeratic , having at places rounded pebbles of quartz and quartzite . The thin sections show that this is an orthoquartzite consisting of 90- 95 % quartz ...
... rounded to sub - rounded . The upper horizons of Khardeola quartzite are conglomeratic , having at places rounded pebbles of quartz and quartzite . The thin sections show that this is an orthoquartzite consisting of 90- 95 % quartz ...
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