Records of the Geological Survey of India, Volume 131, Parts 4-5Government of India, 1996 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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... collected from the shear zone has shown gold value of 50 ppb . Samples of pink and grey granites were collected for petrographic / petrochemical studies and age deter- mination . In Diju valley area , geochemical samples were collected ...
... collected from the shear zone has shown gold value of 50 ppb . Samples of pink and grey granites were collected for petrographic / petrochemical studies and age deter- mination . In Diju valley area , geochemical samples were collected ...
Page 86
... collected . Fire assay of samples indicate encouraging Au values . Trenching at 10-20 m interval was also carried out east of NH - 13 near G.R. Halli to delineate the auriferous folded quartz veins and 56 samples were collected , a few ...
... collected . Fire assay of samples indicate encouraging Au values . Trenching at 10-20 m interval was also carried out east of NH - 13 near G.R. Halli to delineate the auriferous folded quartz veins and 56 samples were collected , a few ...
Page 96
... collected over an area of about 3,000 sq km . Analysis of 1,432 samples for gold and 622 samples for multielement analysis ( ICP ) has been accomplished . The progress of laboratory analysis and the analytical constraints have been ...
... collected over an area of about 3,000 sq km . Analysis of 1,432 samples for gold and 622 samples for multielement analysis ( ICP ) has been accomplished . The progress of laboratory analysis and the analytical constraints have been ...
Contents
Study of the variation of PalaeoceneEocene sediments in the shelf area of Shillong plateau along | 18 |
Author Index 56 | 24 |
RECORDS VOL 131 PART5 | i |
Copyright | |
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abutment amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly arsenopyrite Arunachal Pradesh assess auriferous axis bands bed rock biotite biotite gneiss block boreholes carried charnockite Chitradurga clay Cuddapah Cuddapah Basin delineated deposits depth Dharmapuri dimensional stone dolerite downstream drilling dykes east eastern emplaced excavation exposed fault field season folds foliation Formation foundation gabbro Gadwal geochemical geoenvironmental GEOLOGICAL MAP GEOTECHNICAL INVESTIGATIONS gneiss Gneissic gold mineralisation grade grained granite granulite graphite gravity greenstone belt grey grouting indicated joints Karnataka Kerala kimberlite Kurnool limestone located lode magnetic magnetite Meghalaya metabasalt migmatite mineral NE-SW NNW-SSE NW-SE occurs pegmatite phyllite Plate-1 potential power house pyrite quarries quartz quartz veins quartzite Quaternary regional reservoir river samples sandstone scale schist belt seepage shale shear zone slope soil spillway sq km stream sediment strike length structure studies sulphide TALUK TAMIL NADU thickness traverse trench trending tunnel upto Velampatti weathered width