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 49
... quartz and feldspar was carried out along the western margin of Nellore Schist Belt in parts of Nellore and Prakasam districts. Traverse mapping of 350 l km in Kanigiri and Hanumanthunipadu mandals of Prakasam district has brought out ...
... quartz and feldspar was carried out along the western margin of Nellore Schist Belt in parts of Nellore and Prakasam districts. Traverse mapping of 350 l km in Kanigiri and Hanumanthunipadu mandals of Prakasam district has brought out ...
Page 8
... quartz with subordinate amount of K-feldspars, muscovite and biotite. At places, the quartzo-feldspathic "material injected along the foliations of biotite schist has resulted in varying degree of feldspathisation of the garnet schist ...
... quartz with subordinate amount of K-feldspars, muscovite and biotite. At places, the quartzo-feldspathic "material injected along the foliations of biotite schist has resulted in varying degree of feldspathisation of the garnet schist ...
Page 44
... quartz, K- feldspar and lot of mafic minerals. The mafic mineral shows crude orientation along the dominant schistosity plane. The younger granite is light pink to gray in colour, medium to coarse grained, equigranular, hard and compact ...
... quartz, K- feldspar and lot of mafic minerals. The mafic mineral shows crude orientation along the dominant schistosity plane. The younger granite is light pink to gray in colour, medium to coarse grained, equigranular, hard and compact ...
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