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 70
... country 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 ...
... country 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 ...
Page 78
... country rock and resolved the wall rocks by a slow transformation . This increment - per- increment transformation may be the more likely process than assimilation of the micaschists by the invading melt . Because , in the latter case ...
... country rock and resolved the wall rocks by a slow transformation . This increment - per- increment transformation may be the more likely process than assimilation of the micaschists by the invading melt . Because , in the latter case ...
Page 81
... country rocks are most often folded with its axial plane paralleling the axial plane schisto- sity of the country rocks ( Fig . 6 ) . Emplacement of these veins were , therefore , pre- or syn - tectonic , which have been subsequently ...
... country rocks are most often folded with its axial plane paralleling the axial plane schisto- sity of the country rocks ( Fig . 6 ) . Emplacement of these veins were , therefore , pre- or syn - tectonic , which have been subsequently ...
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