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 33
... kimberlite pipes , taking into consideration serveral param- eters about the nature of emplacement of kimberlite / lamproite rocks . As a result of these in- tegrated studies , eight kimberlite bodies have been discovered in well ...
... kimberlite pipes , taking into consideration serveral param- eters about the nature of emplacement of kimberlite / lamproite rocks . As a result of these in- tegrated studies , eight kimberlite bodies have been discovered in well ...
Page 34
... kimberlite ranges from 20 to 95 m . The granite at the northern contact of kimberlite is generally sheared , fractured and brecciated . The southern contact could not be clearly demarcated . Petrographic studies support the inference of ...
... kimberlite ranges from 20 to 95 m . The granite at the northern contact of kimberlite is generally sheared , fractured and brecciated . The southern contact could not be clearly demarcated . Petrographic studies support the inference of ...
Page 35
... kimberlite bodies which are emplaced into the granites . Of these , four are near Maddur ( MK - 6,7,8 , & 9 ) , three near Kotakonda ( KK 3,4 & 5 ) and one near Narayanpet ( NK - 2 ) . Thus , a total of 16 kimberlite occurrences are ...
... kimberlite bodies which are emplaced into the granites . Of these , four are near Maddur ( MK - 6,7,8 , & 9 ) , three near Kotakonda ( KK 3,4 & 5 ) and one near Narayanpet ( NK - 2 ) . Thus , a total of 16 kimberlite occurrences are ...
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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