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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... grey to khaki grey , bluish to greenish grey , fine to medium grained , mica- ceous , friable sandstone with bluish and greenish grey shale and siltstone . Thin bands of carbonaceous shale are present in the upper part . Bokabil ...
... grey to khaki grey , bluish to greenish grey , fine to medium grained , mica- ceous , friable sandstone with bluish and greenish grey shale and siltstone . Thin bands of carbonaceous shale are present in the upper part . Bokabil ...
Page 3
... grey to bluish grey , well bedded , jointed , fine to medium grained and feebly crystalline at places . A lensoid body of marble occurs within biotite gneiss and amphibolite of Ithun Formation at Pyunli . It is 600 m in strike length ...
... grey to bluish grey , well bedded , jointed , fine to medium grained and feebly crystalline at places . A lensoid body of marble occurs within biotite gneiss and amphibolite of Ithun Formation at Pyunli . It is 600 m in strike length ...
Page 60
... grey in colour . 2 ) Colour variations exhibited by phyllite and dolomite indicate change of environment as well as depositional conditions during sedimentation . 3 ) Narrow and linear ferruginous quartzite of variable thickness ( 5-55 ...
... grey in colour . 2 ) Colour variations exhibited by phyllite and dolomite indicate change of environment as well as depositional conditions during sedimentation . 3 ) Narrow and linear ferruginous quartzite of variable thickness ( 5-55 ...
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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Common terms and phrases
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