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 18
... trend of the rock formation while the layered type shows affinities to the Skaerggard trend . In order to recognise such ultramafic bodies , the alpine types have been further sub - divided into alpine - ophiolite and root- zone ...
... trend of the rock formation while the layered type shows affinities to the Skaerggard trend . In order to recognise such ultramafic bodies , the alpine types have been further sub - divided into alpine - ophiolite and root- zone ...
Page 29
... trend lines do not intersect . However , the a / and fm lines intersect on extension at si about 200 , indicating that the differentiation of the magma might have ended in the final evolution of a calc - alkaline series of rocks if the ...
... trend lines do not intersect . However , the a / and fm lines intersect on extension at si about 200 , indicating that the differentiation of the magma might have ended in the final evolution of a calc - alkaline series of rocks if the ...
Page 35
... trend . The trend varies from N 35 ° W to N 70 ° W and is generally N 500 W with dips ranging from 50 ° to 850 to NE and to SW . These opposing dips , possibly indicate the effects of folding of the older rocks which were granitised to ...
... trend . The trend varies from N 35 ° W to N 70 ° W and is generally N 500 W with dips ranging from 50 ° to 850 to NE and to SW . These opposing dips , possibly indicate the effects of folding of the older rocks which were granitised to ...
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