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 25
... observations and also the observation by Deer et al . ( ibid , p . 301 , V. 2 ) , that ' Although hornblendes are particularly characteristic members of intermediate plutonic rocks they also occur as products of primary crystallisation ...
... observations and also the observation by Deer et al . ( ibid , p . 301 , V. 2 ) , that ' Although hornblendes are particularly characteristic members of intermediate plutonic rocks they also occur as products of primary crystallisation ...
Page 29
... observations indicate that the Chalk Hills magma originated from upper mantle where there was a relative concentra- tion of c at the expense of fm , perhaps due to local variation . ORIGIN - A synthesis by coordination of the field ...
... observations indicate that the Chalk Hills magma originated from upper mantle where there was a relative concentra- tion of c at the expense of fm , perhaps due to local variation . ORIGIN - A synthesis by coordination of the field ...
Page 30
... observations become more signifi- cant in the context of the present knowledge that most , if not all of the ultramafic bodies occurring in the high grade region are known to be layered type specially indicating an igneous layering with ...
... observations become more signifi- cant in the context of the present knowledge that most , if not all of the ultramafic bodies occurring in the high grade region are known to be layered type specially indicating an igneous layering with ...
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