Records of the Geological Survey of India, Volume 125, Issues 3-4Vols. 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. |
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Page 6
... Shear Zone mapped further west . The shear zone shows malachite stains and specks of chalcopyrite , especially within brecciated quartzite . Occasionally , mica and garnet bearing pegmatites have been recorded . Small outliers of ...
... Shear Zone mapped further west . The shear zone shows malachite stains and specks of chalcopyrite , especially within brecciated quartzite . Occasionally , mica and garnet bearing pegmatites have been recorded . Small outliers of ...
Page 9
... Shear Zone . In addition , 1000 sq km arca was covered in to- posheets 63 P / 11 and 15 by photogeological studies for tracing the extension of the shear zone . The area comprises metamorphic and igneous rocks of Precambrian age which ...
... Shear Zone . In addition , 1000 sq km arca was covered in to- posheets 63 P / 11 and 15 by photogeological studies for tracing the extension of the shear zone . The area comprises metamorphic and igneous rocks of Precambrian age which ...
Page 98
... Shear Zone yielded 0.5 - 1.4 gm of gold per tonne . This is a new find which calls for greater efforts for finding gold in this Shear Zone in the next field season ( 1991-92 ) . In tungsten investigation in Satnala - Arhala and also in ...
... Shear Zone yielded 0.5 - 1.4 gm of gold per tonne . This is a new find which calls for greater efforts for finding gold in this Shear Zone in the next field season ( 1991-92 ) . In tungsten investigation in Satnala - Arhala and also in ...
Contents
Bihar | 1 |
Studies of granites of Hazaribagh Gaya and Palamau districts Bihar | 7 |
Geological mapping around PindaraBiharbariBaghmari area Bhagalpur district Bihar | 13 |
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ABSTRACTS OF PROGRESS abutment amphibolite anomaly Arunachal Pradesh bands Barail basalt basemetal basin Bhuban Bihar biotite block bore holes borehole chalcopyrite charnockite chlorite chromite clay CONSTRUCTION STAGE GEOTECHNICAL deposits depth Disang drilling Eastern Ghat Engineering Geology Engineering Geology Division excavation exposed EXTENDED ABSTRACTS field season fold foliation Formation foundation grade geochemical geological mapping geophysical Geotechnical and Special geotechnical investigation gneiss Gneissic granite gneiss granulite grey Group grouting Hills district indicate joints lava left bank limestone located magnetite Manipur Meghalaya migmatite mineral mineralisation Mizoram nala occur Orissa OVERVIEW Ph/SS phyllite power house proposed Purulia pyrite quartz quartz veins quartzite Quaternary Regional Geology Division right bank rocks samples sandstone scale schist sediments shale shear zone Shillong siltstone slope Special Investigation spillway sq km stage geotechnical investigation strike length structure sulphide Survey of India Tertiary thick toposheet trending tunnel Upper upto volcanics West Bengal