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
... strike parallel to the general foliation trends and are also highly fractured . Three activities of quartz veins are evidenced . Aplite veins appear variously intruding the Berach Granite and Gneiss and are evidently later . Pegmatitic ...
... strike parallel to the general foliation trends and are also highly fractured . Three activities of quartz veins are evidenced . Aplite veins appear variously intruding the Berach Granite and Gneiss and are evidently later . Pegmatitic ...
Page 42
... strike joints , generally parallel to the bedding , dip more towards west than east , at moderate to high angles ( 25 ° to 85 ° ) . In dolomite NW - SE / 10 ° -75 ° W or E - W / 10 ° -75 ° N or S joints are common , i.e. , both strike ...
... strike joints , generally parallel to the bedding , dip more towards west than east , at moderate to high angles ( 25 ° to 85 ° ) . In dolomite NW - SE / 10 ° -75 ° W or E - W / 10 ° -75 ° N or S joints are common , i.e. , both strike ...
Page 98
... strike length in a general north - south direction , either along faults , shears or axial traces of folds . Except at a place or two , where the mineralisation appears to be syngene- tic and concentrated after remobilisation , most of ...
... strike length in a general north - south direction , either along faults , shears or axial traces of folds . Except at a place or two , where the mineralisation appears to be syngene- tic and concentrated after remobilisation , most of ...
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