Records of the Geological Survey of India, Volume 129, Part 5Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 119
... types for PGE analyses . Strike mapping of 80 1 km was carried out in the Torappadi - Ponakkadu area . The rock types exposed include pyroxenite ( diopsidite and bronzitite ) al- tered ultramafic rock ( dunite / peridotite ? ) with ...
... types for PGE analyses . Strike mapping of 80 1 km was carried out in the Torappadi - Ponakkadu area . The rock types exposed include pyroxenite ( diopsidite and bronzitite ) al- tered ultramafic rock ( dunite / peridotite ? ) with ...
Page 121
... types of folds . The northeastern closure is an open synformal fold and the southwestern closure is a tight isoclinal type . The mafic rocks are co - folded along with the country rocks . Based on analytical results , further work will ...
... types of folds . The northeastern closure is an open synformal fold and the southwestern closure is a tight isoclinal type . The mafic rocks are co - folded along with the country rocks . Based on analytical results , further work will ...
Page 143
... types are being exported to various countries as mentioned in the table below : SI . Rock Type Colour No. Trade Name Country exported Export price of rough block CBM / FOR / USD 2. Pink Migmatite 3. Pink 1. Charnockite Violetish pink ...
... types are being exported to various countries as mentioned in the table below : SI . Rock Type Colour No. Trade Name Country exported Export price of rough block CBM / FOR / USD 2. Pink Migmatite 3. Pink 1. Charnockite Violetish pink ...
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Common terms and phrases
acid volcanics amphibolite ANANTAPUR DISTRICT ANDHRA PRADESH anomaly zones anorthosite assessment auriferous banded iron formation beach ridges bedrock beds BIF bands biotite biotite gneiss block boreholes carried charnockite chert Chitradurga clay delineated deposits depth Dharwar dips dolerite drilling dykes east eastern emplaced ENE-WSW excavated exposed field season folds foliation foundation gabbro geochemical GEOLOGICAL MAP geophysical geotechnical investigations gneiss Gneissic gold mineralisation granite gneiss granulite gravity grey grout hornblende INDEX indicated intrusives joints KARNATAKA KERALA kimberlite laterite lignite limestone lineament located mafic magnetic metabasalt migmatites mineral mineralised zones NE-SW NNW-SSE NW-SE occur overburden pegmatite Plate power house PROJECT pyrite quartz quartz veins quartzite regional reservoir river rock types samples scale schist belt schistose sediments shear zone slope soil southern spillway sq km strike length structural studies sulphides surveys TAMIL NADU thickness traversed trenching trending tunnel ultramafic upto vertical weathered width