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 41
... later than the same during post - tectonic phase or even later cycles . Acid intrusives Veins and reefs of white quartz are seen at several places viz . , in Bhadesar and Mangalwar areas . The frequency of their occurrences increases ...
... later than the same during post - tectonic phase or even later cycles . Acid intrusives Veins and reefs of white quartz are seen at several places viz . , in Bhadesar and Mangalwar areas . The frequency of their occurrences increases ...
Page 68
... later phase of cataclastic metamorphism with less recrystallisation occurred during or after the later ( F3 ) folding . The schists in the Khetri belt are of various types and grades of metamorphism . The schists contain variable ...
... later phase of cataclastic metamorphism with less recrystallisation occurred during or after the later ( F3 ) folding . The schists in the Khetri belt are of various types and grades of metamorphism . The schists contain variable ...
Page 94
... later devitrified into felsitic rock . Occasional spherulites within felsitic groundmass indicate the effects of devitrification . The extrusion and subvolcanic intrusions of tuffaceous rocks and rhyolite occur at the later stage and ...
... later devitrified into felsitic rock . Occasional spherulites within felsitic groundmass indicate the effects of devitrification . The extrusion and subvolcanic intrusions of tuffaceous rocks and rhyolite occur at the later stage 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