Records of the Geological Survey of India, Volume 136, Parts 4-7Government of India, 2001 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 111
... minerals and hence locating kimberlites either exposed or concealed, if any present in the area. Samples were drawn at an average density of one sample per 1.75 kmz area and panned for heavy mineral concentration. The heavy mineral ...
... minerals and hence locating kimberlites either exposed or concealed, if any present in the area. Samples were drawn at an average density of one sample per 1.75 kmz area and panned for heavy mineral concentration. The heavy mineral ...
Page 155
... minerals. The REE minerals identified are ambatoarinite, REE rich witherite, bromlite and bastneasite. Evaluation of EPMA data Using JEOL JYA-8600 MX Super Probe at Mineral Physics Division, 187 spot studies of electron microprobe ...
... minerals. The REE minerals identified are ambatoarinite, REE rich witherite, bromlite and bastneasite. Evaluation of EPMA data Using JEOL JYA-8600 MX Super Probe at Mineral Physics Division, 187 spot studies of electron microprobe ...
Page 53
... minerals. Mafic minerals are rare in this area. Pyrite, pyrrhotite and chalcopyrite are associated with albitites. Mo and U mineralisations have also been reported from the area. The chemical composition of the albitites is: SiO2 from ...
... minerals. Mafic minerals are rare in this area. Pyrite, pyrrhotite and chalcopyrite are associated with albitites. Mo and U mineralisations have also been reported from the area. The chemical composition of the albitites is: SiO2 from ...
Contents
EXTENDED ABSTRACTS OF PROGRESS REPORTS | 5 |
MEGHALAYA MINERAL INVESTIGATION PROJECT | 11 |
RECORDS VOLUME 136 PART5 | i |
Copyright | |
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amphibolite Andhra Pradesh anomaly auriferous bands basalt base metals basin bedrock biotite block boreholes carried charnockite clay collected comprising Construction stage geotechnical covered Cuddapah deformation delineated depth district dolerite dolomite drilling dykes east excavation exploration exposed fault feldspar field field season folds foliation Formation foundation fracture geoenvironmental geological mapping geophysical geotechnical investigation gneiss gneissic gold values grained granite granite gneiss granitoids gravity grey grouting indicated intersected intrusive joints kimberlite limestone lineaments lithounits located magnetic Meghalaya migmatite mineralised zone minerals NE-SW NNW-SSE NW-SE occur overburden pegmatite phyllite plagioclase porphyritic quartz quartz veins quartzite Rajasthan regional River rock samples sand sandstone scale schist schist belt shear zone slope soil sq km stage geotechnical investigation stream sediment strike length structural studies sulphide Supergroup surface surveys syenite Tamil Nadu tectonic thick toposheet traverse trench trending Udaipur district ultramafic village volcanics weathered width