Records of the Geological Survey of India, Volume 97Geological Survey of India, 1962 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 45
... mineral in the upper oxidised zone of copper mineral deposits . The occurrence of distinct crystals of malachite in nature is very rare . They always grow needle - like parallel to [ 001 ] in tufts and rosettes . Untwinned crystals of ...
... mineral in the upper oxidised zone of copper mineral deposits . The occurrence of distinct crystals of malachite in nature is very rare . They always grow needle - like parallel to [ 001 ] in tufts and rosettes . Untwinned crystals of ...
Page 72
... minerals precipitating fix the PO , rather than an external or internal agency such as water fixes the PO ,. The allocation of Fe and Mg amongst the co - existing mineral ingredients ( silicates and spinels ) checks up to this rule . In ...
... minerals precipitating fix the PO , rather than an external or internal agency such as water fixes the PO ,. The allocation of Fe and Mg amongst the co - existing mineral ingredients ( silicates and spinels ) checks up to this rule . In ...
Page 90
... mineral is cristobalite , and quartz occurs in minor amounts . The X - ray results have not confirmed the existence of any kaolinite . CONCLUSION The Barakar and Raniganj coals of the Singrauli coalfield are distinct in physical make up ...
... mineral is cristobalite , and quartz occurs in minor amounts . The X - ray results have not confirmed the existence of any kaolinite . CONCLUSION The Barakar and Raniganj coals of the Singrauli coalfield are distinct in physical make up ...
Contents
RECORDS | 1 |
VOLUME 97 PART | 14 |
Geology and Origin of the Lonar Crater Maharashtra | 30 |
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15th April alkali alkali-basalt alluvium Alwar Alwar valley Balasore basalt beds belt Bengal Bihar borehole Calcutta carbonate coal coal-bearing unit coalfield Coccolithus sp Coniacian Contai country rock cracks crystallisation Daling Thrust Damudas Darjeeling Deccan Trap depression depth developed Diameter district dykes east emplaced Eocene epicentre felt folds formation fossil G. S. I. Type Geol GEOLOGICAL SURVEY Gondwana grains granitic groundwater H₂O hectares India Jour Kakdwip kankar Kirthar Kutch lake lamprophyre lithological Lonar Crater magma malachite material metamorphism meteorite craters microns Locality Middle Eocene mineral NaCl NaHCO nannoplanktons occurs olivine Pachydesmoceras patches pegmatites plagioclase PLATE polarised light pukka pumped quantity of reh quartz quartzite Rajasthan Raniganj Record Sagar Island sajji samples collected sand seams sediments sodium Specimen Stradner and Papp structure Surv SURVEY OF INDIA Talchir tenorite thickness tholeiitic tonnes transmitted and polarised tubewells volcanic zone