Records of the Geological Survey of India, Volume 134, Parts 7-8Government of India, 1999 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 5
... quartz . The megacrysts range in size up to 12 cm x 5 cm . In most of the places , the rock looks like augen gneiss due to the deformation of the feldspars megacrysts . It is hypidiomorphic , inequigranular ( porphyritic to strongly ...
... quartz . The megacrysts range in size up to 12 cm x 5 cm . In most of the places , the rock looks like augen gneiss due to the deformation of the feldspars megacrysts . It is hypidiomorphic , inequigranular ( porphyritic to strongly ...
Page 94
... quartz veins . The XRD studies show blu- ish green oxidised material to be Beudantite ( PbFe , ( AsO1 ) ( SO ) ( OH ) ) . The mineralisation is associated with smoky grey coloured quartz and quartz - carbonate - sulphide veins . While ...
... quartz veins . The XRD studies show blu- ish green oxidised material to be Beudantite ( PbFe , ( AsO1 ) ( SO ) ( OH ) ) . The mineralisation is associated with smoky grey coloured quartz and quartz - carbonate - sulphide veins . While ...
Page 144
... quartz reefs within Bundelkhand Granitoid Complex . Representative samples selected from the three distinct types of quartz reefs occuring in the area . These are ; ( 1 ) Reefs associated with pyrophyllite - diaspore mineralisation ...
... quartz reefs within Bundelkhand Granitoid Complex . Representative samples selected from the three distinct types of quartz reefs occuring in the area . These are ; ( 1 ) Reefs associated with pyrophyllite - diaspore mineralisation ...
Contents
SPECIALIZED THEMATIC MAPPING | 1 |
MINERAL INVESTIGATIONS | 14 |
GUJARAT | 65 |
Copyright | |
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Alluvium bands basalt base metal basin belt block borehole carried clay comprises Construction stage covering database deformation degree sheet Delhi delineated deposits depth dipping dolomite drilling dunes exploration exposed fault field season folds Formation Garhwal geochemical Geoenvironmental appraisal geological mapping geophysical geotechnical investigation glacier gneiss gold granite Granitoid gravity grey Group of rocks Gujarat Haryana Himachal Pradesh indicated intersected km² Kukra Ladakh landslide limestone located logging magnetic marble mineral mineralised zone Neoproterozoic occur phyllite Project Proterozoic quartz quartz veins quartzite Rajasthan Rajsamand district Region river samples were collected sand sandstone scale schist sediments shear zones Singh Siwalik slope soil Sonbhadra district sq km stage geotechnical investigation strike length studies sulphide Supergroup surface surveys terraces thick traverse trending tunnel Udaipur district upto Uttar Pradesh Uttaranchal valley Vindhyan Yamuna एवं का कार्य किया गया की के क्षेत्र गये तथा में से है