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. |
From inside the book
Results 1-3 of 18
Page 21
... grains , gradually extends the area of alteration , finally transforming the whole grain into a mass of serpentine . Various stages of alteration are clear in thin sections and the process is also attended at places by resorption , i.e. ...
... grains , gradually extends the area of alteration , finally transforming the whole grain into a mass of serpentine . Various stages of alteration are clear in thin sections and the process is also attended at places by resorption , i.e. ...
Page 22
... grains , generally with clear outlines . The grain size may vary from less than a quarter mm to over 2 mm across but generally grains of a mm size are common . They show well developed ( 110 ) cleavages while the ( 100 ) and ( 010 ) ...
... grains , generally with clear outlines . The grain size may vary from less than a quarter mm to over 2 mm across but generally grains of a mm size are common . They show well developed ( 110 ) cleavages while the ( 100 ) and ( 010 ) ...
Page 66
... grains . of quartz and feldspar are embeded . These grains are angular to subangular . The grain size of the clastic grains is variable . ANKERITE A mixed carbonate of calcium , magnesium and iron , generally white or light grey when ...
... grains . of quartz and feldspar are embeded . These grains are angular to subangular . The grain size of the clastic grains is variable . ANKERITE A mixed carbonate of calcium , magnesium and iron , generally white or light grey when ...
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 |
1 other sections not shown
Other editions - View all
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