Records of the Geological Survey of India, Volume 112, Part 3government of India., 1977 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 53
... gibbsite ( zone of pseudomorphism ) . ( X60 ; crossed nicol ) : Pseudomorph after felspar , replaced mainly by ... gibbsite ( zone of pseudomor- phism ) ( X25 ; plane polarised light ) : Superimpo- sition of new textural character over ...
... gibbsite ( zone of pseudomorphism ) . ( X60 ; crossed nicol ) : Pseudomorph after felspar , replaced mainly by ... gibbsite ( zone of pseudomor- phism ) ( X25 ; plane polarised light ) : Superimpo- sition of new textural character over ...
Page 53
... Gibbsite DIAGRAM NO . 2. ( Ref . p . 52 ) Goethite 1 1 Hematite ( H1 ) Residue Biotite Felspar and / or Kaolinite ( K1 + K2 ) Gibbsite Sillimanite Biotite Sillimanite ( G1 ) Reconstituted and replaced by the Hematite ( H2 ) Gibbsite ...
... Gibbsite DIAGRAM NO . 2. ( Ref . p . 52 ) Goethite 1 1 Hematite ( H1 ) Residue Biotite Felspar and / or Kaolinite ( K1 + K2 ) Gibbsite Sillimanite Biotite Sillimanite ( G1 ) Reconstituted and replaced by the Hematite ( H2 ) Gibbsite ...
Page 53
... GIBBSITE HEMATITE 12 13 -14 LATERITE BAUXITE -15 16 -17 HEMATITE 18 -19 20 GOETHITE 21 22 w - 23 E24 -25 -26 GIBBSITE -27 -36 37 -35 TTTTTT -28 38 : * * * * : * f g N 42 39 40 38 -ZONE OF PSEUDOMORPHISM → 34 SAPROLITE ZONE · ZONE OF ...
... GIBBSITE HEMATITE 12 13 -14 LATERITE BAUXITE -15 16 -17 HEMATITE 18 -19 20 GOETHITE 21 22 w - 23 E24 -25 -26 GIBBSITE -27 -36 37 -35 TTTTTT -28 38 : * * * * : * f g N 42 39 40 38 -ZONE OF PSEUDOMORPHISM → 34 SAPROLITE ZONE · ZONE OF ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
Some aspects of the geochemistry of Dhanjori Volcanics Singhbhum District | 7 |
Geology and Structure of Southern GangpurBonaigarh Region Sundargarh | 13 |
Copyright | |
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analysis andradite anomaly average axial plane Badampahar bands basin bauxite bedding Bihar biotite calc-gneiss chalcopyrite channel chlorite cleavage Colliery conglomerate Dalma deformation deposits Dhanjori epidiorite district dolerite dolerite dykes eastern epidiorite epidote F₁ facies fold fossils fractures fuchsite galena Gangpur Gangpur Group Geol Geological Survey geophysical Ghatsila gibbsite gneiss grains granite gneiss gravity Group-II rocks Hazaribagh hornblende indicate kaolinite Karharbari Formation Keonjhar Khola Kusunda laterite lavas limb lineation massive garnet metamorphic metasedimentary belt metres mica schists mineralisation minerals muscovite Nausahi Nayadih Kusunda occur Orissa pegmatite phyllite plagioclase Plate plunging quartz quartzite Raghunathpali Rajgir Rangpo Records regional resistivity samples sand sandstone saprolite Sarkar scale schist schistose sedimentary sediments sequence sericite shales shear shows Simlipal Singhbhum skarn stowed stress structures sulphide Sundargarh District Surv Survey of India syncline synformal textural thickness TRAV traverse trend ultrabasic rock unstowed volcanics Volume