Records of the Geological Survey of India, Volume 131, Parts 5-6The Survey, 1996 - 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 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 16 +++ GRANITE AND GRANITE GNEISSES 55 QUARTZITE , QUARTZ SERICITE AND BIOTITE SCHIST BLOCKS COVERED BY GEOPHYSI- CAL SURVEYS F.S.1991-92 MALDINNI BLOCK DBAL HARAPUR + 50 76 55 B ...
... SERICITE AND BIOTITE SCHIST WITH SLATY GREY PHYLLITES 16 +++ GRANITE AND GRANITE GNEISSES 55 QUARTZITE , QUARTZ SERICITE AND BIOTITE SCHIST BLOCKS COVERED BY GEOPHYSI- CAL SURVEYS F.S.1991-92 MALDINNI BLOCK DBAL HARAPUR + 50 76 55 B ...
Page 21
... sericite + chlorite + garnet . Felsic lava and tuff : The felsic lava is sparsely porphyritic with phenocrysts of quartz and feldspar in a groundmass composed of sericite , chlorite , quartz and feldspar . It contains lithofragments and ...
... sericite + chlorite + garnet . Felsic lava and tuff : The felsic lava is sparsely porphyritic with phenocrysts of quartz and feldspar in a groundmass composed of sericite , chlorite , quartz and feldspar . It contains lithofragments and ...
Contents
ANDHRA PRADESH | 1 |
KARNATAKA AND GOA | 71 |
GEOTECHNICAL INVESTIGATIONS | 144 |
Copyright | |
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amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly arsenopyrite auriferous bands basalt basin bed rock biotite block borehole carried charnockite chert clay Cuddapah Deccan Trap depth dimensional stone DISTRICT dolerite drilling emplaced excavation exposed fault field season folds foliation Formation gabbro geochemical GEOLOGICAL MAP geophysical gneiss gneissic gold mineralisation Gondwana grained granite granulite gravity grey grouting indicated intersected intrusives joints Karnataka Kerala kimberlite laterite lineament located lode MADHYA PRADESH magnetic Maharashtra metabasalt metamorphism migmatite mineral mineralised zone Nagpur NE-SW NNW-SSE NW-SE occurs pegmatite phyllite pink pyrite quarries quartz quartz veins quartzite Quaternary regional river samples sandstone Sausar Group scale schist schist belt shale shear zone slope soil spillway sq km strike length structure studies sulphide surveys TAMIL NADU tectonic thickness toposheet traverse trench trending tuff tunnel upto volcanic weathered width एवं का की के क्षेत्र मी में से हेतु है