Records of the Geological Survey of India, Volume 126, Part 2Government of India, 1991 - 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 49
... upto 8.56 ] . Minor negative Eu anomaly [ Eu / Eu * upto 0.56 ] may indicate minor plagioclase separation from the melt . Twenty dykes of lamprophyric composition ranging in width between 30 cm and 6.00 m . , and in strike length ...
... upto 8.56 ] . Minor negative Eu anomaly [ Eu / Eu * upto 0.56 ] may indicate minor plagioclase separation from the melt . Twenty dykes of lamprophyric composition ranging in width between 30 cm and 6.00 m . , and in strike length ...
Page 179
... upto 1400 ppm and Cu values upto 400 ppm . Arsenic and Zn yielded anomalous values upto 155 and 165 ppm respectively . Amphibolites are found to contain anomalous Ni values upto 900 ppm and Cu values upto 370 ppm . The basic dykes ...
... upto 1400 ppm and Cu values upto 400 ppm . Arsenic and Zn yielded anomalous values upto 155 and 165 ppm respectively . Amphibolites are found to contain anomalous Ni values upto 900 ppm and Cu values upto 370 ppm . The basic dykes ...
Page 188
... upto 0.5 ppm . At Isarwas zone gold upto 2.5 gm is recorded along with copper mineralisation . Detailed prospect- ing is recommended at Kevra and Lal Madri . Test drilling of significant airborne signatures around Bhagatwalal - ki ...
... upto 0.5 ppm . At Isarwas zone gold upto 2.5 gm is recorded along with copper mineralisation . Detailed prospect- ing is recommended at Kevra and Lal Madri . Test drilling of significant airborne signatures around Bhagatwalal - ki ...
Contents
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 113 190 | 115 |
Overview of the Deputy Director General | 193 |
Operation East CoastI | 201 |
Copyright | |
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aeromagnetic amphibolite AMSE Wing analysed ANDHRA PRADESH anomalies bands Barakar Barakar Formation Barren Measures Formation basement basin Bengal Bhutan Bihar block boreholes carbonaceous chalcopyrite clay coal seams COAL WING Coalfield Code cores cruise deposits DISTRICT Division drilling east EXPLORATION FOR COAL fault field season foraminifera geochemical GEOLOGICAL MAP geophysical Ghosh gneiss gneissic Godavari Valley Gondwana grade grey ground evaluation heavy mineral horizon INDEX indicated intersected investigation isobath isotopic Kamthi Formation lamproites lignite limestone located MADHYA PRADESH magnetic medium grained metamorphism migmatites million tonnes NW-SE occur ooids Orissa phyllite pluton Precambrian programme quartz quartzite range Raniganj Raniganj Formation Regional exploration ridge Sakoli samples sand sandstone Sattupalli scale schist seabed seam zones sector sediments sequence shale shelf silty Singhbhum slope sq km stratigraphy strike studies sub-surface Survey of India Talchir Formation tectonic thickness Toposheet trending upto varies water depth