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 22
... places and closely spaced hairy prismatic cleav- ages in some grains ( Bronzitic ) , intergrowths bet- ween the ortho and clino varieties are rather uncom- mon . The clinopyroxenes at places include grains of orthopyroxenes and relic ...
... places and closely spaced hairy prismatic cleav- ages in some grains ( Bronzitic ) , intergrowths bet- ween the ortho and clino varieties are rather uncom- mon . The clinopyroxenes at places include grains of orthopyroxenes and relic ...
Page 35
... places along the ranges of Kallabetta west of Hunsur and other places . The gneisses consist mainly of quartz , microc- line and in places plagioclase with biotite as acces- sory . Minor amounts of muscovite and allanite are also found ...
... places along the ranges of Kallabetta west of Hunsur and other places . The gneisses consist mainly of quartz , microc- line and in places plagioclase with biotite as acces- sory . Minor amounts of muscovite and allanite are also found ...
Page 66
... places showing twin- ning ; large prismatic sections of actinolitic horn- blende generally altering to chlorite and enclosing calcite with chlorite at places , the former as possible alteration of plagioclase and magnetite form the rock ...
... places showing twin- ning ; large prismatic sections of actinolitic horn- blende generally altering to chlorite and enclosing calcite with chlorite at places , the former as possible alteration of plagioclase and magnetite form the rock ...
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