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A large deposit of low-grade China Clay (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 and X- ray…mehr

Produktbeschreibung
A large deposit of low-grade China Clay (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 and X- ray diffraction 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.
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Autorenporträt
Dr. Veena Baunthiyal, M.Sc. (Goldmedaillengewinnerin), promovierte 2004 in Strukturgeologie an der Mohan Lal Sukhadia University Udaipur Rajasthan. Sie ist eine renommierte Dozentin für Ingenieurgeologie in der Abteilung für Bauingenieurwesen des Instituts für Technik und Wissenschaft IPS Academy Indore (Madhya Pradesh).