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 69
... muscovite or pyrophyllite , forsterite in marble to antigorite , cordierite of cordierite - anthophyllite rock retrogrades to chlorite . Hornblende in basic rocks also shows METAMORPHISM OF DELHI SUPERGROUP OF ROCKS IN N. E. RAJASTHAN 69.
... muscovite or pyrophyllite , forsterite in marble to antigorite , cordierite of cordierite - anthophyllite rock retrogrades to chlorite . Hornblende in basic rocks also shows METAMORPHISM OF DELHI SUPERGROUP OF ROCKS IN N. E. RAJASTHAN 69.
Page 70
... rocks ( granites , schists , quartzites and basic rocks ) are fenitised . The replacement took place along schistosity , grain boundaries and fractures , gradually expanding to replace the country rocks . The original structures of the ...
... rocks ( granites , schists , quartzites and basic rocks ) are fenitised . The replacement took place along schistosity , grain boundaries and fractures , gradually expanding to replace the country rocks . The original structures of the ...
Page 89
... ROCKS AROUND JHUNJHUNU , RAJASTHAN S. K. BASU Geological Survey of India ABSTRACT The rock types exposed in the scattered hills of the Jhunjhunu area belong to the Malani suite of igneous rocks . The different volcanic and subvolcanic rocks ...
... ROCKS AROUND JHUNJHUNU , RAJASTHAN S. K. BASU Geological Survey of India ABSTRACT The rock types exposed in the scattered hills of the Jhunjhunu area belong to the Malani suite of igneous rocks . The different volcanic and subvolcanic rocks ...
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