Records of the Geological Survey of India, Volume 122, Part 7The Survey, 1989 - 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 24
... copper mineralisation in quartz reef over a length of 800 m in Devtalai ( north ) block where a reserve of 0.8 million tonnes with 1.48 % Cu has been estimated . Continuing the investigation during this year , an area of 0.85 km2 was ...
... copper mineralisation in quartz reef over a length of 800 m in Devtalai ( north ) block where a reserve of 0.8 million tonnes with 1.48 % Cu has been estimated . Continuing the investigation during this year , an area of 0.85 km2 was ...
Page 38
... copper occurrences were recorded earlier , for locating specific targets for further exploration . The investigation was continued during the year . An area of 94 km2 was covered by geological mapping on 1 : 25,000 scale and a total of ...
... copper occurrences were recorded earlier , for locating specific targets for further exploration . The investigation was continued during the year . An area of 94 km2 was covered by geological mapping on 1 : 25,000 scale and a total of ...
Page 48
... copper mineralisation and some of the cells have shown anomalous high copper values ( 0.15 % to 0.69 % Cu ) . Quartz veins in some cells gave Cu values between 0.14 % to 2 % . Indications of lead and zinc mineralisation are limited to ...
... copper mineralisation and some of the cells have shown anomalous high copper values ( 0.15 % to 0.69 % Cu ) . Quartz veins in some cells gave Cu values between 0.14 % to 2 % . Indications of lead and zinc mineralisation are limited to ...
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aeolian airborne E.M. Ajmer Ajmer district Alwar amphibolite analysed antiform Bajta basalt BASE METAL INVESTIGATION basin bed rock Belwa Berach Granite Bethunmi Bhander Bhilwara Bhilwara district Bikaner boreholes calcareous carbonatite carried chert clay comprises conductor conglomerate copper mineralisation covering Deccan Delhi Supergroup deposits depth dolerite dolomite dolomite bands drilling dunes dykes exploration exposed facies felsic felsic volcanic fluvial folds Formation Gangwara geochemical geological mapping Geology Division geophysical Geotechnical investigation gneiss gossan grade Gujarat Hindoli indicated intersected intruded Jahazpur Jaipur km² area km² was mapped landforms lignite limestone located Mangalwar Complex marble metabasics metasediments mica schist mineral mineralised zone Mise-a-la-masse Nagaur NE-SW Pali district pegmatites phase phyllite potential quartz quartz veins quartzite Quaternary Raialo Rajasthan river sand sandstone scale schist sediments sequence shale shear zone Sirohi district skarns spillway strike length sulphide Supergroup Tertiary thick toposheets trench trending Udaipur district unconformably Vindhyan Zawar