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 58
... phase of Delhi deformation . Nagla Gothia fault extends for more than 30 km from northwest of Nithar to east of Nagla Gothia where it bifurcates in easterly and south- southeasterly directions . It records the maximum vertical throw of ...
... phase of Delhi deformation . Nagla Gothia fault extends for more than 30 km from northwest of Nithar to east of Nagla Gothia where it bifurcates in easterly and south- southeasterly directions . It records the maximum vertical throw of ...
Page 81
... phase of acid magmatism . CONCLUSION The Buchara pegmatites have thus a dual phase of emplacement : synkinematic and post - kinematic . The stock - shaped and lensoid bodies were emplaced synkinematically . Emplacement of the former has ...
... phase of acid magmatism . CONCLUSION The Buchara pegmatites have thus a dual phase of emplacement : synkinematic and post - kinematic . The stock - shaped and lensoid bodies were emplaced synkinematically . Emplacement of the former has ...
Page 87
... phase of Delhi orogeny . From west to east in the Mandawar - Sagar area , two anticlinal closures with a complimentary syncline are noted ( Fig . 4 ) . The westernmost antiformal structure is open , asymmetri- cal plunging 12 ° towards ...
... phase of Delhi orogeny . From west to east in the Mandawar - Sagar area , two anticlinal closures with a complimentary syncline are noted ( Fig . 4 ) . The westernmost antiformal structure is open , asymmetri- cal plunging 12 ° towards ...
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