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 53
... acid - basic volcanic contacts , in 7 blocks in the schist belt , were tested by soil geochemical surveys for auriferous mineralisation in view of the significant gold concentration encountered during drilling at the acid - basic ...
... acid - basic volcanic contacts , in 7 blocks in the schist belt , were tested by soil geochemical surveys for auriferous mineralisation in view of the significant gold concentration encountered during drilling at the acid - basic ...
Page 57
... acid volcanic rocks and diorite . The acid volcanic rocks have a strike length of 13.5 km and occur as five discontinuous bodies . They strike WNW - ESE upto south of Chinchergi , from where the strike swings to ENE - WSW with northerly ...
... acid volcanic rocks and diorite . The acid volcanic rocks have a strike length of 13.5 km and occur as five discontinuous bodies . They strike WNW - ESE upto south of Chinchergi , from where the strike swings to ENE - WSW with northerly ...
Page 115
... acid intrusives and pink permeations . Therefore , it is proposed to continue geochemcial survey in the extension area of Alambadi Palaiyam- Mailampatti limestone belt in order to identify such potential blocks for further detailed ...
... acid intrusives and pink permeations . Therefore , it is proposed to continue geochemcial survey in the extension area of Alambadi Palaiyam- Mailampatti limestone belt in order to identify such potential blocks for further detailed ...
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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