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
... trending quartz - feldspar porphyry dykes and acidic volcanic rocks . The post - Delhi granites , which intrude the Sirohi Group do not transgress the Sindrath Group . There is no WNW - ESE trending porphyry dyke within this group . The ...
... trending quartz - feldspar porphyry dykes and acidic volcanic rocks . The post - Delhi granites , which intrude the Sirohi Group do not transgress the Sindrath Group . There is no WNW - ESE trending porphyry dyke within this group . The ...
Page 29
... trending dykes are common . A few dykes trend NNW - SSE and N - S . From the cross - cutting rela- tionship it appears that the NE - SW trending dykes are younger than the ENE - WSE trending dykes . Both these dykes are cut by NNW - SSE ...
... trending dykes are common . A few dykes trend NNW - SSE and N - S . From the cross - cutting rela- tionship it appears that the NE - SW trending dykes are younger than the ENE - WSE trending dykes . Both these dykes are cut by NNW - SSE ...
Page 99
... trending N30 ° E - S30 ° W . General trend of the rock types is NE - SW with dips varying from 30 to 80 ' on either sides . The map pattern shows minor anticlines and synclines plunging NE mainly within dolomite . 15 nos . of skarns ...
... trending N30 ° E - S30 ° W . General trend of the rock types is NE - SW with dips varying from 30 to 80 ' on either sides . The map pattern shows minor anticlines and synclines plunging NE mainly within dolomite . 15 nos . of skarns ...
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 km² 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