Records of the Geological Survey of India, Volume 93, Part 2The Survey, 1963 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
From inside the book
Results 1-3 of 9
Page 219
... Spinel series Α1 Mg . Spinel Fe " Hercynite Zn Gahnite Mn Galaxite Ni Artificial Magnetite series Fe " " Chromite series Cr Magnesio ferrite Magnesio chromite Magnetite Chromite Franklinite Artificial Artificial Artificial Jacobsite ...
... Spinel series Α1 Mg . Spinel Fe " Hercynite Zn Gahnite Mn Galaxite Ni Artificial Magnetite series Fe " " Chromite series Cr Magnesio ferrite Magnesio chromite Magnetite Chromite Franklinite Artificial Artificial Artificial Jacobsite ...
Page 238
... ( spinel ) and MgO . Fe , O , ( Magnesioferrite ) at the top . Thus as the top of the prism is approached , the magnesium content increases with a corresponding decrease in the ferrous iron content . The zone of isomor- phism obtained by ...
... ( spinel ) and MgO . Fe , O , ( Magnesioferrite ) at the top . Thus as the top of the prism is approached , the magnesium content increases with a corresponding decrease in the ferrous iron content . The zone of isomor- phism obtained by ...
Page 239
... Spinels are termed as chromite spinel or magnetite sprinel depending on the major trivalent ele- ment present . Further sub - division results from the fact that one of the other constituent in the R2O , group is in excess of the other ...
... Spinels are termed as chromite spinel or magnetite sprinel depending on the major trivalent ele- ment present . Further sub - division results from the fact that one of the other constituent in the R2O , group is in excess of the other ...
Contents
GEOLOGICAL SURVEY OF INDIA | 121 |
Some Features related to Eolian Sedimentation on Shore Linés By R N P 135142 | 135 |
A suggested succession of the Purana Formations of the Southern Part of 143148 | 143 |
8 other sections not shown
Other editions - View all
Common terms and phrases
acid aluminium analyses anorthite anticline arkosic Banihal Banihal pass Bihar biotite calcite cent Cervus Chaibasa chloride chrome-ore chromite chromium clay particles composition concretions containing corroded Cr₂O crystallised crystals deposits diameter diaspore differential thermal analysis district Eklara End-member fault Fe ratio felspar Ferrochromite ferrous fireclay folds formation fossils fraction G. S. I. Type Geol Geological Survey goethite grain sizes grains of quartz granite hematite Hercynite Indian chromites kaolin kaolinite Kashmir Khairagarh laterite laterite profile layer limestone Madras Magnesiochromite magnetite metres mica muscovite occur outcrop oxide Palghat gap Panjal traps parent rock Pedhamli percentage Phako phyllite Pir Panjal pisolites plagioclase quartz quartz grains quartzite Raipur ripples sample sand sandstone Sayamalai sections sequence shales shear zone silica Singhbhum sodium solution specimen spinel Stegodon Surv Survey of India syncline Table thickness tunnel unit cell upper Vedadri X-ray