Records of the Geological Survey of India, Volume 112, Part 5The Survey, 1979 - 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 28
... Average of the 8 che in column 9 indicative Hills ultrabasic magm In column 10 is etical pyrolite approxi sition of Upper Mantl ses of comparison . 1 examine the chemica ultrabasic magma and An inspection Differentiation diagra plotting ...
... Average of the 8 che in column 9 indicative Hills ultrabasic magm In column 10 is etical pyrolite approxi sition of Upper Mantl ses of comparison . 1 examine the chemica ultrabasic magma and An inspection Differentiation diagra plotting ...
Page 29
... average chemistry of the ultrabasic suite as a whole , is plotted at about si = 60 . If the composition of the magma indicated at si about 60 is the chemistry of the system to commence with , then the differentiation of peridotite ...
... average chemistry of the ultrabasic suite as a whole , is plotted at about si = 60 . If the composition of the magma indicated at si about 60 is the chemistry of the system to commence with , then the differentiation of peridotite ...
Page 51
... ( average crustal content of Ba being 0.04 % ) is grossly inadequate to account for the presence of huge deposits of barytes distributed throughout the Cuddapah basin , particularly the one at Mangampeta which alone contains a reserve of ...
... ( average crustal content of Ba being 0.04 % ) is grossly inadequate to account for the presence of huge deposits of barytes distributed throughout the Cuddapah basin , particularly the one at Mangampeta which alone contains a reserve of ...
Contents
RECORDS | 1 |
Petrology of the Ultramafic Rocks of Chalk Hills Salem Tamil Nadu | 15 |
Studies on the Dolerite Dykes of Hunsur Periyapatna area Mysore District | 35 |
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Common terms and phrases
amphibole aquifers Auroville banded ferruginous barytes beds biotite borehole carbonate Chalk Hills charnockitic chemical chert chert/quartzite chlorite clay clinopyroxene colour Cretaceous Cuddapah basin Dharwar diopside dips district dolerite dolomite drilled dunites dykes East lode electrical log faults feldspars formation Gadag Geol Surv Ind GEOLOGICAL SURVEY geomorphic gms/tonne gneisses goethite gold grains granite granulites Groundwater hematite hornblende hornblendite igneous indicates iron Kabuliyatkatti Karnataka Kerala lapilli laterite layers limestone magma magnesite Mangampeta mapping metamorphism metres minerals Murthy Mysore Nilgiri occur olivine outcrops peridotites plagioclase present pyroxene pyroxenite quartz quartzite Quilon range Rec Geol Surv Red Oxide Salem samples sands sandstone Sandur schist sedimentary sediments serpentinite shear zone shonkinite silica strike length studies surface Survey of India taluk Tamil Nadu tectonic Tertiary thickness tonnes trend ultrabasic ultramafic bodies ultramafic rocks Unpublished GSI Report upto a depth varies vein barytes Vempalle Warkalli