Records of the Geological Survey of India, Volume 116Government of India, 1985 - 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 7
... field use . Geochronology and Isotope Geology Division Headquarters : Calcutta Director FIELD WORK Dr. D. K. Paul I. T. Ray Barman carried out field work , in collaboa- tion with Atomic Minerals Division , and collected samples of ...
... field use . Geochronology and Isotope Geology Division Headquarters : Calcutta Director FIELD WORK Dr. D. K. Paul I. T. Ray Barman carried out field work , in collaboa- tion with Atomic Minerals Division , and collected samples of ...
Page 6
... field anomaly due to a thin plate ( hereafter called dyke ) has been taken up with a view to provide a simple , quick but quantita- tive method of interpretation . In an aeromagnetic survey any dyke may be looked upon as a thin one , if ...
... field anomaly due to a thin plate ( hereafter called dyke ) has been taken up with a view to provide a simple , quick but quantita- tive method of interpretation . In an aeromagnetic survey any dyke may be looked upon as a thin one , if ...
Page 11
... field curve . For example , for ALFA values of 60 ° and 1200 we get the same ratios . However , nature of the anomaly curve is quite different for these two values . For < negative peak is towards south and for a = 120 ° , the positive ...
... field curve . For example , for ALFA values of 60 ° and 1200 we get the same ratios . However , nature of the anomaly curve is quite different for these two values . For < negative peak is towards south and for a = 120 ° , the positive ...
Contents
CENTRAL HEADQUARTERS | 1 |
GEOCHRONOLOGY AND ISOTOPE GEOLOGY DIVISION | 7 |
PHOTOGEOLOGY AND REMOTE SENSING DIVISION | 15 |
Copyright | |
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amphibolite analysed Andhra Pradesh anomaly Asstt attended bands Bangalore basalt basin Bihar biotite boreholes Calcutta carried Chemical Circle clay coal coalfield conglomerate covering an area Deccan Trap Delhi deposits depth Director District Divn dolomite drill holes Dutta dykes exploration exposed fault folds Formation fossils geochemical Geol geological mapping Geologist Jr Geology Division Geophysical Geophysicist geotechnical investigations Ghosh gneiss Gondwana granitoid Group Gupta Headquarters Hydel Hyderabad India indicated Jaipur Karnataka Kumar Laboratory limestone line km located logging Lucknow magnetic migmatite mineral mineralisation Murthy Nagpur pegmatite phyllite power house Pradesh Project quartz quartzite Quaternary RAC meeting Rajasthan Region river rock types S/Shri samples were collected sandstone scale schist seams sedimentary sediments shale Sharma Shillong Shri siltstone Singh Sinha spillway sq km sq km area Srivastava strike length studies Supergroup Survey thickness tonnes toposheet traverse trending tunnel upto Vindhyan volcanics