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 4
... Mangalwar migmatites by a shear zone and grani- toids.Linear dolerite bodies and quartz reefs of two generations are prominent in the high - grade Hindolis . in Bimodal volcanics of basaltic ( 45-55 % SiO2 ) and dacitic to rhyodacitic ...
... Mangalwar migmatites by a shear zone and grani- toids.Linear dolerite bodies and quartz reefs of two generations are prominent in the high - grade Hindolis . in Bimodal volcanics of basaltic ( 45-55 % SiO2 ) and dacitic to rhyodacitic ...
Page 6
... Mangalwar and Hindoli tracts may be related to a younger phase of alkali magmatism . The carbo- natite in the Mangalwar tract has analy- sed La 1500 ppm 1500 ppm and Ba Ba 1000 ppm , while the one in the Hindolis contains Sr 1000 ppm ...
... Mangalwar and Hindoli tracts may be related to a younger phase of alkali magmatism . The carbo- natite in the Mangalwar tract has analy- sed La 1500 ppm 1500 ppm and Ba Ba 1000 ppm , while the one in the Hindolis contains Sr 1000 ppm ...
Page 7
... Mangalwar HINDOLI GROUP + 4 8 12 Miles MANGALWAR COMPLEX ZZZ Mica schist , Garnetiferous mica- schist . BHADESAR FORMATION Slate and Phyllite . Shale & Slate / Quartzite . Migmatite composite gneiss feldspathic mica schist . High - Fe ...
... Mangalwar HINDOLI GROUP + 4 8 12 Miles MANGALWAR COMPLEX ZZZ Mica schist , Garnetiferous mica- schist . BHADESAR FORMATION Slate and Phyllite . Shale & Slate / Quartzite . Migmatite composite gneiss feldspathic mica schist . High - Fe ...
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