Records of the Geological Survey of India, Volume 128, Part 7The Survey, 1993 - 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 23
... quartz , varying in length from 30 cm to 5 m . These quartz veins contain sporadic disseminations of galena . Indications of galena mineralisation are seen impersistently for about 600 m strike length in Parbati Hill block . Bedrock ...
... quartz , varying in length from 30 cm to 5 m . These quartz veins contain sporadic disseminations of galena . Indications of galena mineralisation are seen impersistently for about 600 m strike length in Parbati Hill block . Bedrock ...
Page 46
... quartz + potash feldspar ( negligible ) + biotite + garnet + muscovite + tourmaline + sphene + opaques . Metadiorites and Amphibolites : Hornblende + plagioclase ( andesite ) + garnet + tremolite and actinolite + quartz + biotite + ...
... quartz + potash feldspar ( negligible ) + biotite + garnet + muscovite + tourmaline + sphene + opaques . Metadiorites and Amphibolites : Hornblende + plagioclase ( andesite ) + garnet + tremolite and actinolite + quartz + biotite + ...
Page 47
... quartz - trachyte and acid glass . The quartz - trachyte occurs at the innermost part of the arcuate zone , beyond which on the coastal margin , Tertiary rocks are exposed . Rhyolite is composed of phenocrysts of quartz and potassic ...
... quartz - trachyte and acid glass . The quartz - trachyte occurs at the innermost part of the arcuate zone , beyond which on the coastal margin , Tertiary rocks are exposed . Rhyolite is composed of phenocrysts of quartz and potassic ...
Contents
GEOLOGICAL MAPPING | 1 |
Geochemical mapping in parts of Udaipur Chittorgarh | 7 |
MINERAL INVESTIGATION | 14 |
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Common terms and phrases
Agucha Ajmer district amphibolite anomaly Aravalli Supergroup bands Banswara district basalt base metal basement basin Bhilwara districts Bhilwara Supergroup Bhukia Bikaner district boreholes calc-silicate rocks carried chalcopyrite Champaner Champaner Group chargeability Chitar comprises core samples Dabdar Dariba-Bethunmi Debari delineated Delwara deposit depth Dharuman dips dolomite drilling exploration exposed Fold Belt foliation Formation fossil foundation grade galena geochemical sampling Geoenvironmental appraisal geological mapping geophysical surveys geotechnical investigation gneisses Gneissic granite groundwater Gujarat indicated intersected irrigation Jodhpur district joint Khandia kmĀ² area limestone lithounits Lunavada Lunavada Group magnetic Mangalwar Complex Marwar Supergroup metamorphism metasedimentary migmatites mineralised zones minerals occur Pb-Zn mineralisation phases of deformation phyllite Pipaliya Pipela Project pyrite pyrrhotite quartz veins quartzite Rajasthan Rajsamand district regional river sandstone Sawar schist sediments sequence shear soil strike length structure studies sub-block sulphide mineralisation Supergroup surface thick Toposheet transect trending Udaipur Udaipur district upper