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 31
... slates . A few thin bands of chert and ferruginous chert or hematite- jasper rock also occur . Small patchy occurrences of slates are found caught up in the Berach Granite and Gneiss southwest of Gosunda ( 24 ° 43 ′ : 74 ° 32 ' ) , just ...
... slates . A few thin bands of chert and ferruginous chert or hematite- jasper rock also occur . Small patchy occurrences of slates are found caught up in the Berach Granite and Gneiss southwest of Gosunda ( 24 ° 43 ′ : 74 ° 32 ' ) , just ...
Page 41
... slates it is decipherable in some cases by colour banding and the changes in grain size or composition . It is well seen in limestone . The quartzites are recrystallised and only at places exhibit bedding . The general strike in the ...
... slates it is decipherable in some cases by colour banding and the changes in grain size or composition . It is well seen in limestone . The quartzites are recrystallised and only at places exhibit bedding . The general strike in the ...
Page 102
... slates ) Mainly lead and Zinc ( sphalerite , galena , pyrite , pyrrhotite with traces of silver ) Interfacial con- tacts , bedding planes , strain slip cleavages and fold arches . ctural a . Syngenetic , stratiform ( metamor- phosed ) b ...
... slates ) Mainly lead and Zinc ( sphalerite , galena , pyrite , pyrrhotite with traces of silver ) Interfacial con- tacts , bedding planes , strain slip cleavages and fold arches . ctural a . Syngenetic , stratiform ( metamor- phosed ) b ...
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