Records of the Geological Survey of India, Volume 123, Part 7The Survey, 1990 - 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 19
... dykes , but prior to the emplacement of the N - S dyke system . It is likely that the Sindrath Group would represent a period between the emplacement of the Erinpura Granites and the Malani magmatism ( Fig . 11 ) . THE DECCAN TRAP ...
... dykes , but prior to the emplacement of the N - S dyke system . It is likely that the Sindrath Group would represent a period between the emplacement of the Erinpura Granites and the Malani magmatism ( Fig . 11 ) . THE DECCAN TRAP ...
Page 21
... dykes that are emplaced within the flows . Dykes show en echelon and branching patterns . Elliptical plugs ( 5 to 10 m across ) have intruded Flow - III in Limbara area . The plugs are highly porphyritic or almost aphyric in contrast to ...
... dykes that are emplaced within the flows . Dykes show en echelon and branching patterns . Elliptical plugs ( 5 to 10 m across ) have intruded Flow - III in Limbara area . The plugs are highly porphyritic or almost aphyric in contrast to ...
Page 24
... dykes and a few sills . The frequency of dykes is high in the southwestern part . The thickness of the dykes varies from less than 1m to 35m . A few thicker dykes can be traced for up to 35 km and more . The dykes are of more than one ...
... dykes and a few sills . The frequency of dykes is high in the southwestern part . The thickness of the dykes varies from less than 1m to 35m . A few thicker dykes can be traced for up to 35 km and more . The dykes are of more than one ...
Contents
rock sequence | 1 |
Mangalwar Projec | 3 |
Geological mapping of the Aravalli Supergroup and the associated granitic rocks in Panchmahals district Gujarat | 7 |
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aeolian Agucha Alluvium amphibolite amygdules anomalies Aravalli augite axial bands BASALT BASALT FLOW basin bedding belt Bethunmi biotite boreholes calcareous carbonate characterised chert clinopyroxene comprises conglomerate contains Deccan Traps deposits depth dolerite dolerite dykes dolomite drilling dunes eastern exploration exposed felsic Flow-II fluvial folds Formation geochemical Geological map geophysical surveys gneiss gossan granite grey Gujarat Hindoli INDEX indicated intersected intertrappean intruded Jahazpur Kalabar kmĀ² was mapped Magnetic Mangalwar Complex marble massive sulphide metamorphism metasediments mica schist migmatitic Miliolitic Limestone NE-SW NNE-SSW North Sindesar Ridge occur older olivine opaques overlying Pb-Zn pegmatite phase phenocrysts phyllite plagioclase porphyritic quartz quartz veins quartzite Rajasthan Rann Clay regional rock types samples sandstone Sawar scale schist sequence shale shear zone silt Sindesar Ridge block Sirohi district Sirohi Group skarns stratigraphic strike length structures Surendranagar texture thickness tion toposheet trending tuffaceous Udaipur UDAIPUR DISTRICT unconformably unit volcaniclastic volcanics Wadhwan western