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 60
... veins occur in the Cumbum shale of Nallamalai Group and Srisai- lam quartzite of the Krishna Group . The barytes veins , which vary in thickness from 1 m to 3 m < ccur as pinch and swell type veins and are localized long an ENE - WSW ...
... veins occur in the Cumbum shale of Nallamalai Group and Srisai- lam quartzite of the Krishna Group . The barytes veins , which vary in thickness from 1 m to 3 m < ccur as pinch and swell type veins and are localized long an ENE - WSW ...
Page 66
... veins . The lode comprises spongy and clear quartz veins of 20 to 50 cm thickness , traceable along the maximum length of 5 m . strike for a Detailed geological and structural mapping About 6.5 sq km of the area encompassing the four ...
... veins . The lode comprises spongy and clear quartz veins of 20 to 50 cm thickness , traceable along the maximum length of 5 m . strike for a Detailed geological and structural mapping About 6.5 sq km of the area encompassing the four ...
Page 69
... veins which are barren . A few cross cutting veins , disposed in a NNW - SSE strike parallel to the schistosity are lenticular , disconnected and too small to make up any definite mineralised lode system . DOLERITES The dolerites have ...
... veins which are barren . A few cross cutting veins , disposed in a NNW - SSE strike parallel to the schistosity are lenticular , disconnected and too small to make up any definite mineralised lode system . DOLERITES The dolerites have ...
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