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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Results 1-3 of 13
Page 22
... amphibole upto 18 percent and opaques upto 5 percent by volume . Both ortho and clinopyroxenes occur in the ultramafic rocks of the Chalk Hills . Clinopyroxe- nes are the chief constituent of olivine - clinopyroxenit- es and shonkinite ...
... amphibole upto 18 percent and opaques upto 5 percent by volume . Both ortho and clinopyroxenes occur in the ultramafic rocks of the Chalk Hills . Clinopyroxe- nes are the chief constituent of olivine - clinopyroxenit- es and shonkinite ...
Page 23
... amphibole - olivine - ore 8. Amphibole - clinopyroxene - feldspar - olivine- ore and 9. Clinopyroxene - feldspar - biotite - olivine - ore . Of the above mineralogical assemblages those at 1 and 5 are the most predominant , the one at 7 ...
... amphibole - olivine - ore 8. Amphibole - clinopyroxene - feldspar - olivine- ore and 9. Clinopyroxene - feldspar - biotite - olivine - ore . Of the above mineralogical assemblages those at 1 and 5 are the most predominant , the one at 7 ...
Page 25
... amphiboles given by Deer et.al. ( ibid , Table 38 , V.2 ) , the chemical ana- lyses of the Chalk Hills amphibole indicates that it is relatively poor in silica content for the corresponding calcia and magnesia values . It is also noted ...
... amphiboles given by Deer et.al. ( ibid , Table 38 , V.2 ) , the chemical ana- lyses of the Chalk Hills amphibole indicates that it is relatively poor in silica content for the corresponding calcia and magnesia values . It is also noted ...
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