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 87
... ranging from 16 % to 28 % with high Cr ( 490-550 ppm ) and Ni ( 740-1300 ppm ) contents . Dykes with Mg number ranging between 45 and 54 represent more evolved types with low MgO content . On the basis of available data it is not ...
... ranging from 16 % to 28 % with high Cr ( 490-550 ppm ) and Ni ( 740-1300 ppm ) contents . Dykes with Mg number ranging between 45 and 54 represent more evolved types with low MgO content . On the basis of available data it is not ...
Page 235
... ranging from 50 ppb to 100 ppb and only 3.06 % samples indicated gold values ranging from 0.12 g / t to 3.25 g / t . In the case of islandbar and terrace samples , out of 89 samples , 93.25 % samples gave gold values of less than 50 ppb ...
... ranging from 50 ppb to 100 ppb and only 3.06 % samples indicated gold values ranging from 0.12 g / t to 3.25 g / t . In the case of islandbar and terrace samples , out of 89 samples , 93.25 % samples gave gold values of less than 50 ppb ...
Page 342
... ranging from 6.5 to 15m , as revealed by the sub - surface data . This aspect is to be taken into consideration in designing the structure . K. R. Ramachandran and G. Ramalingam were associated with the project . Adakkathodu small ...
... ranging from 6.5 to 15m , as revealed by the sub - surface data . This aspect is to be taken into consideration in designing the structure . K. R. Ramachandran and G. Ramalingam were associated with the project . Adakkathodu small ...
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