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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Page 18
... sericite schist , banded ferruginous quartzite and acid volcanics are the main rock types , intruded by diapiric granitoids and dolerite dykes . Gold mineralisation occurs in sheared grey - blue quartz veins emplaced in altered ...
... sericite schist , banded ferruginous quartzite and acid volcanics are the main rock types , intruded by diapiric granitoids and dolerite dykes . Gold mineralisation occurs in sheared grey - blue quartz veins emplaced in altered ...
Page 208
... SERICITE AND BIOTITE SCHIST WITH SLATY GREY PHYLLITES O 16 +++ GRANITE AND GRANITE GNEISSES 55 ' ZZBIOTITE SCHIST QUARTZITE , QUARTZ SERICITE AND BLOCKS COVERED BY GEOPHYSI- CAL SURVEYS 15 + + 50 76 35 ' 40 ' 45 ' 750 ' 50 76 55 B ...
... SERICITE AND BIOTITE SCHIST WITH SLATY GREY PHYLLITES O 16 +++ GRANITE AND GRANITE GNEISSES 55 ' ZZBIOTITE SCHIST QUARTZITE , QUARTZ SERICITE AND BLOCKS COVERED BY GEOPHYSI- CAL SURVEYS 15 + + 50 76 35 ' 40 ' 45 ' 750 ' 50 76 55 B ...
Page 235
... sericite , chlorite and opaque . The rock is fine to medium grained with the flaky minerals aligned parallel to schistosity . At places the quartz and feldspar occur as very fine granulated material having a protomylonitic texture ...
... sericite , chlorite and opaque . The rock is fine to medium grained with the flaky minerals aligned parallel to schistosity . At places the quartz and feldspar occur as very fine granulated material having a protomylonitic texture ...
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