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Sharma, Veena
- Mineralogical Characteristics and Mineral Economics of Kaolinite Deposit of Sawa Area, Chittaurgarh, Rajasthan
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1 Department of Geology, M. L. Sukhadia University, Udaipur - 313 001, IN
1 Department of Geology, M. L. Sukhadia University, Udaipur - 313 001, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 74, No 1 (2009), Pagination: 27-34Abstract
A large deposit of low-grade kaolinite is occurring within the rocks of Lower Vindhyan Supergroup southwest of Chittaurgarh, Rajasthan. The deposit is being utilised by open-cast, manual to semi-mechanised methods of mining. Kaolinite produced is being marketed without processing. Earlier, nearly 60% of the kaolinite produced from the area was consumed by cement industries, but in recent past, utilisation of low-grade kaolinite has been minimised by cement industries in production of ordinary cement and hence its production has significantly declined. Mineralogical studies reveal that kaolinite is the main clay-mineral and quartz, calcite, iron-oxides and biotite are present as non-clay minerals in clay deposit of the area. Chemical analysis of the kaolinite show that alumina ranges from 15 to 35% while, silica and iron varies from 51 to 78% and 0.25 to 2.50% respectively.Keywords
Kaolinite, China Clay, Mineralogy, Mineral Economics, Vindhyan Supergroup, Rajasthan.References
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