Records of the Geological Survey of India, Volume 129, Parts 3-4Government of India, 1994 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Results 1-3 of 58
Page 150
... ( Toposheet nos . 73 F / 9 & 73 F / 13 ) . Large scale mapping carried out in the areas in toposheet No. 73 F / 13 has indicated volcaniclastic tuffaceous rocks , chemogenic chert and BIF lenses , ferruginous sillicified quartzite and ...
... ( Toposheet nos . 73 F / 9 & 73 F / 13 ) . Large scale mapping carried out in the areas in toposheet No. 73 F / 13 has indicated volcaniclastic tuffaceous rocks , chemogenic chert and BIF lenses , ferruginous sillicified quartzite and ...
Page 152
... ( Toposheet no . 73 F / 13 ) contains small flakes of gold as observed at Sonatanr ( Toposheet no . 73 J / 1 . ) The panned concentrates collected from the streams flowing around Palna , Mahadevbera , Ghagri ( 22 ° 57'20 " : 85 ° 51'35 ...
... ( Toposheet no . 73 F / 13 ) contains small flakes of gold as observed at Sonatanr ( Toposheet no . 73 J / 1 . ) The panned concentrates collected from the streams flowing around Palna , Mahadevbera , Ghagri ( 22 ° 57'20 " : 85 ° 51'35 ...
Page 35
... ( TOPOSHEET NO : 84E / 6 ) G.S.I / T.M.C / DO NO : 714/95 . Fig . 14 : Geological Map of the Ngur - Hnahlan Murlen area , Champhai Division , Aizawl District , ALIMEN Mizoram . 1-2 SURMA GROUP ; I MIDDLE BHUBAN FORMATION ; GREENISH GREY ...
... ( TOPOSHEET NO : 84E / 6 ) G.S.I / T.M.C / DO NO : 714/95 . Fig . 14 : Geological Map of the Ngur - Hnahlan Murlen area , Champhai Division , Aizawl District , ALIMEN Mizoram . 1-2 SURMA GROUP ; I MIDDLE BHUBAN FORMATION ; GREENISH GREY ...
Contents
WEST BENGAL SIKKIM A N ISLANDS | 1 |
Report of investigation for rare metal mineralisation within pegmatite | 7 |
Gold | 14 |
Copyright | |
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acid volcanics amphibolite Andaman anomaly Arunachal Pradesh Assam bands basemetal basin bed rock belt Bihar biotite block boreholes Chhotanagpur clay Code colour comprising conglomerate covered depth Division drilling dykes east eastern Engineering Geology erosion exploration exposed fault feldspar field season fold foliation Formation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gneissic gold Gondwana grade granite granite gneiss granitoids grey Group of rocks GSI Rec Hills district identified intrusives Karbi Anglong laterite limestone lineament lithological located medium grained Meghalaya mica schist migmatites mineralisation minerals nala occurs Orissa OVERVIEW pegmatite phyllite plagioclase Proterozoic Purulia district quartz quartz veins quartzite Quaternary Region river sand sandstone scale schist sector sequence shale Shillong Shillong Group Sikkim siltstone Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment samples structure sulphide Surface SURVEY OF INDIA terrain thick Toposheet trending ultramafic upto West Bengal western