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 19
... unit unit comprises the interdunal depressions or linear valleys hosting the calcrete - gypsite evaporite sequences above grit - sand - silt fluvial sequence . In the mapped area , several important gypsum localities have been mapped ...
... unit unit comprises the interdunal depressions or linear valleys hosting the calcrete - gypsite evaporite sequences above grit - sand - silt fluvial sequence . In the mapped area , several important gypsum localities have been mapped ...
Page 23
... units , viz . ( 1 ) Mithapur unit represented by an old marine sequence exposed in the southern part of the area and manifested by black to grey clay mixed with silt having salt en- crustations and highly disorganised distributary type ...
... units , viz . ( 1 ) Mithapur unit represented by an old marine sequence exposed in the southern part of the area and manifested by black to grey clay mixed with silt having salt en- crustations and highly disorganised distributary type ...
Page 76
... unit comprises highly weathered gneiss , granite schist with bands of amphibolites , pegmatites and quartzites while the second unit is of basaltic flows . The third unit con- tains superficial fluvial deposit over- lying unit one and ...
... unit comprises highly weathered gneiss , granite schist with bands of amphibolites , pegmatites and quartzites while the second unit is of basaltic flows . The third unit con- tains superficial fluvial deposit over- lying unit one 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