Records of the Geological Survey of India, Volume 130, Part 3Government of India, 1995 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 82
... phyllite and associated talc schist . The black quartz veins within the phyllite in Bongadungri ridge to the north of Sindurpur are being worked by the local people for gold . The residual soil over the ultramafics to the south of ...
... phyllite and associated talc schist . The black quartz veins within the phyllite in Bongadungri ridge to the north of Sindurpur are being worked by the local people for gold . The residual soil over the ultramafics to the south of ...
Page 100
... phyllites define the outcrop width of this volcaniclastic - phyllite sequence is about 0.7 km on the northern limb of the fold near Sonua and 0.8 to 2 km near the hings zone to the WSW of Sonua . On the northern limb the thickness of ...
... phyllites define the outcrop width of this volcaniclastic - phyllite sequence is about 0.7 km on the northern limb of the fold near Sonua and 0.8 to 2 km near the hings zone to the WSW of Sonua . On the northern limb the thickness of ...
Page 160
... phyllite , acid agglomerate ; rhyolite , iron tuff and chert / cherty quartzite . Isolated patches of laterite cappings are noticed over metabasalt , basic tuff and tuffaceous sericite phyllite . The following significant observations ...
... phyllite , acid agglomerate ; rhyolite , iron tuff and chert / cherty quartzite . Isolated patches of laterite cappings are noticed over metabasalt , basic tuff and tuffaceous sericite phyllite . The following significant observations ...
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Common terms and phrases
amphibolite anomaly aquifers bands Bankura BARGARH DISTRICT basemetal basin bed rock belt Bihar biotite block borehole Chhotanagpur chlorite clay coastal CONSTRUCTION STAGE GEOTECHNICAL cratonic Dalma depth Dhanjori Dimension Stone Director district drilling earth dam east Engineering Geology environmental fault feldspar field season fold foliation Formation Ganga Gangpur geochemical Geoenvironmental GEOLOGICAL MAP GEOLOGICAL SURVEY Geophysical GEOTECHNICAL INVESTIGATION gneiss gold values Gondwana grained granite granite gneiss granitoids grey Group of rocks INDEX indicate irrigation Keonjhar land laterite lineament lithounits located mica schist minerals nala occur Orissa ORISSA Code OVERVIEW pegmatite phyllite potential present Project Engineering Geology Proterozoic Purulia quartz quartz veins quartzite Quaternary river rock types sand sandstone scale schist sector sequence shale shear zone Sikkim Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment samples sulphide Sundargarh surface SURVEY OF INDIA terrain thickness toposheet trending ultramafic upto volcanics West Bengal