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 97
... quartz greisens + fluorite , topaz and beryl , and emplace- ment of quartz - wolframite veins . The Balda granite is undeformed containing dominantly quartz , alkali feldspar and muscovite . Biotite , tourmaline , plagioclase , apatite ...
... quartz greisens + fluorite , topaz and beryl , and emplace- ment of quartz - wolframite veins . The Balda granite is undeformed containing dominantly quartz , alkali feldspar and muscovite . Biotite , tourmaline , plagioclase , apatite ...
Page 99
... quartz veins , basic dykes and skarns / skarnoids . The dolomite and marble occur as thin intercalations within mica - schist and phyllite . The area mapped represents a part of doubly plunging mega anticline trending N30 ° E - S30 ° W ...
... quartz veins , basic dykes and skarns / skarnoids . The dolomite and marble occur as thin intercalations within mica - schist and phyllite . The area mapped represents a part of doubly plunging mega anticline trending N30 ° E - S30 ° W ...
Page 102
... quartz veins characteristically con- tain 200 ppm to 0.5 % tungsten . The domal phyllite hill is exposed to SW of the Rewat hill . It exposes phyllite and phyllite- quartz- ite breccia . The brecciated rock is well exposed in the ...
... quartz veins characteristically con- tain 200 ppm to 0.5 % tungsten . The domal phyllite hill is exposed to SW of the Rewat hill . It exposes phyllite and phyllite- quartz- ite breccia . The brecciated rock is well exposed in the ...
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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Common terms and phrases
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 kmē 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