Records of the Geological Survey of India, Volume 125, Part 1The Survey, 1999 - 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 86
... dykes intruding the Deccan Traps in three East - West sections . The area covered extends for 100 km in E - W and 140 km in N - S direction . The dykes are mainly disposed along N - S direction and a few are seen to follow NW- SE and NE ...
... dykes intruding the Deccan Traps in three East - West sections . The area covered extends for 100 km in E - W and 140 km in N - S direction . The dykes are mainly disposed along N - S direction and a few are seen to follow NW- SE and NE ...
Page 87
... dykes 5. Picrite In the AFM diagram , the basic intrusives and their variants show a cluster around Hawaiian ... dykes with Mg number between 83 and 88 are most primitive and contain MgO ranging from 16 % to 28 % with high Cr ( 490-550 ...
... dykes 5. Picrite In the AFM diagram , the basic intrusives and their variants show a cluster around Hawaiian ... dykes with Mg number between 83 and 88 are most primitive and contain MgO ranging from 16 % to 28 % with high Cr ( 490-550 ...
Page 88
... dyke shows the variation in composition from carbonate - rich part to silica - rich part . These dykes possibly indicate remobilised limestone emplaced along fault / fracture planes . The basaltic and doleritic dykes ( width . 1-10m ) ...
... dyke shows the variation in composition from carbonate - rich part to silica - rich part . These dykes possibly indicate remobilised limestone emplaced along fault / fracture planes . The basaltic and doleritic dykes ( width . 1-10m ) ...
Contents
Introduction | 11 |
Southern Region 291362 | 13 |
Geochronology and Isotope Geology Division | 16 |
Copyright | |
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Alluvium amphibolite analysis Andhra Pradesh anomaly associated Asstt bands basalt base metal basin belt Bihar biotite Block boreholes Calcutta Director carried chalcopyrite charnockite clay coal comprising Construction stage geotechnical core covered Deccan Trap delineated deposits depth district DIVISION Headquarters Divn drilling dykes earth dam exploration exposed field season Formation foundation geochemical geological mapping Geologist Jr geophysical geotechnical investigation gneiss gold Gondwana grade granite gneiss granitoids gravity Group indicated investigation was taken Kumar limestone lineaments located logging Madhya Pradesh magnetic Maharashtra migmatite mineral Nagpur Orissa pegmatite phyllite power house Pradesh Code programme proposed quartz quartz veins quartzite Quaternary Rajasthan REGIONAL GEOLOGY DIVISION rhyolite river samples were collected sandstone scale schist seams sediments shear zone Shri Singh slope spillway sq km stage geotechnical investigation stratigraphic strike length studies sulphide mineralisation Supergroup surveys thick Toposheet traverse trending tunnel ultramafic upto volcanics