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 112
... lignite seams . 2. Valleys flanked by uplands in the Nagaur to- pography appear to be favourable locales of lignite deposition . There is little chance of lig- nite occurrence in the Tertiaries deposited on the basement highs . Th's is ...
... lignite seams . 2. Valleys flanked by uplands in the Nagaur to- pography appear to be favourable locales of lignite deposition . There is little chance of lig- nite occurrence in the Tertiaries deposited on the basement highs . Th's is ...
Page 114
... LIGNITE ( -0-15mgat . below ) RESIDUAL GRAVITY HIGH . LIKELY TO BE BARREN ( 0 mgal & above ) E360 E.480 E600 PBH - 8 ... LIGNITE - INTERSECTION BOREHOLE WITHOUT ANY LIGNITE INTERSECTION SURVEY PILLARS E 840 E 1080 E 1200 REGIONAL ...
... LIGNITE ( -0-15mgat . below ) RESIDUAL GRAVITY HIGH . LIKELY TO BE BARREN ( 0 mgal & above ) E360 E.480 E600 PBH - 8 ... LIGNITE - INTERSECTION BOREHOLE WITHOUT ANY LIGNITE INTERSECTION SURVEY PILLARS E 840 E 1080 E 1200 REGIONAL ...
Page 147
... lignite seam while it is of inferior quality when laid on an undulating basement . A N - S basement ridge and an elevated basement in the northern areas prove to be deterrent for lignite déposition . Of the 27 boreholes , includ- ing a ...
... lignite seam while it is of inferior quality when laid on an undulating basement . A N - S basement ridge and an elevated basement in the northern areas prove to be deterrent for lignite déposition . Of the 27 boreholes , includ- ing a ...
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 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