Records of the Geological Survey of India, Volume 122, Part 7The Survey, 1987 - 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 27
... values , as high as 0.42 % , have been recorded . In the Jahazpur sequence the BIF unit has been explored by geochemical sampling for base metal mineralisation . On the basis of the work in both the eastern and the west- ern Jahazpur ...
... values , as high as 0.42 % , have been recorded . In the Jahazpur sequence the BIF unit has been explored by geochemical sampling for base metal mineralisation . On the basis of the work in both the eastern and the west- ern Jahazpur ...
Page 35
... values of copper varying from 700 ppm to 5,800 ppm ( 0.58 % Cu ) . The higher values are mostly associated with aplite ( albitite ) and metabasic rock with somewhat lower values in quartz - biotite - hornblende gneiss . The first ...
... values of copper varying from 700 ppm to 5,800 ppm ( 0.58 % Cu ) . The higher values are mostly associated with aplite ( albitite ) and metabasic rock with somewhat lower values in quartz - biotite - hornblende gneiss . The first ...
Page 55
... values ranging between 50 to 300 ppm WO3 with sporadic highs . The investigation will be continued through regional traverses in the area south of Udwaria , Sirohi district , to identify new skarns in Sirohi Group . Detailed mapping and ...
... values ranging between 50 to 300 ppm WO3 with sporadic highs . The investigation will be continued through regional traverses in the area south of Udwaria , Sirohi district , to identify new skarns in Sirohi Group . Detailed mapping and ...
Contents
Aravalli transect | 1 |
Highgrade sequence and the associated rocks of the Sandmata Complex 3 Stratigraphy and structure of north Delhi basin | 2 |
Study of volcanism in Delhi Supergroup | 3 |
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Common terms and phrases
aeolian Ajabgarh Group Ajmer Ajmer district Alwar amphibolite analysed anomaly zone antiform Bajta basalt BASE METAL INVESTIGATION basin belt Berach Granite Bethunmi Bhander Bhilwara Bhilwara district Bikaner block boreholes calcareous carbonatite carried chert clay comprises conglomerate copper mineralisation covering Deccan Delhi Supergroup deposits depth dips dolerite dolomite drilling dunes dykes exploration exposed facies felsic 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 Migmatite mineral mineralised zone Nagaur NE-SW Pali district pegmatites phase phyllite quartz quartz veins quartzite Quaternary Raialo Rajasthan river sand sandstone scale schist sediments sequence shale shear zones silt Sirohi district skarns spillway strike length sulphide Supergroup surveys Tertiary thick toposheets trench trending Udaipur district unconformably Vindhyan volcanics Zawar