Records of the Geological Survey of India, Volume 85Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 336
In thin sections microcline shows perthitic texture by containing jim , and sirings
of albite and veins of oligoclase . 5. AHMAD , F.- ... Most of the coals contain 4 to
12 per cent , moisture while Kanhan Vaile ; coal contains 2 to 4 per cent . The ash
...
In thin sections microcline shows perthitic texture by containing jim , and sirings
of albite and veins of oligoclase . 5. AHMAD , F.- ... Most of the coals contain 4 to
12 per cent , moisture while Kanhan Vaile ; coal contains 2 to 4 per cent . The ash
...
Page 416
The boulder beds of the Damodar valley contain large quantities of quartzites
and gneissic rocks , the former having a great resemblance to the Vindhyan
quartzites in the Son valley to the northwest of the coalfields . The Salt Range
boulder ...
The boulder beds of the Damodar valley contain large quantities of quartzites
and gneissic rocks , the former having a great resemblance to the Vindhyan
quartzites in the Son valley to the northwest of the coalfields . The Salt Range
boulder ...
Page 423
They contain a fair amount of ferruginous materials in patches and occasionally
as nodules . They are largely of fresh water origin . Panchet Series A fairly
definite change of climate took place between the Raniganj and the ( later )
Panchet ...
They contain a fair amount of ferruginous materials in patches and occasionally
as nodules . They are largely of fresh water origin . Panchet Series A fairly
definite change of climate took place between the Raniganj and the ( later )
Panchet ...
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appears Assistant associated bands bank beds belt Bihar Bombay carried cent Circle clay coal collected consists contain continued covered deposits depth detailed district dolomite drilling dykes east eastern effect examined exposed extend feet field formations fossils further geological mapping Geological Survey Geologist gneisses Government grade granite headquarters hill important India indicate industry iron lignite limestone localities Lower Madhya Madras material Metal mica miles mineral mines noted November occur pits places portion Pradesh present probably production Project proposed quantity quartz quartzites range records reported Returned river road rocks samples sand sandstones schists sediments seen sericite shales sheet square strike suggested suitable surface Survey of India thick thin tion tons trap types Upper Valley varying veins village western zone