Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)

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A Study of the Rare Illite Deposits Around Mujjur, Near Gadag, Karnataka State


Affiliations
1 Department of Studies in Geology, Karnatak University, Dharwad 580003, India
     

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Clays are localized in their occurrence to the sheared and deeply weathered rhyolite-rhyodacite). These contain illite in association with minor proportion of neoforrned chlorite and a large proportion of relic quartz. XRD, IR and thermal properties of Mujjur illite correspond to pure illite. The clays are characterized by higher alkalies (K20 4.7%), with correspondingly low PCE value of 1420°C, absence of swelling minerals and very low CEC and dye adsorption.

Keywords

Mineralogy, Economic Geology, Non-Metals, Gadag, Karnataka.
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  • A Study of the Rare Illite Deposits Around Mujjur, Near Gadag, Karnataka State

Abstract Views: 172  |  PDF Views: 2

Authors

Ali Khoshroo
Department of Studies in Geology, Karnatak University, Dharwad 580003, India
T. C. Devaraju
Department of Studies in Geology, Karnatak University, Dharwad 580003, India

Abstract


Clays are localized in their occurrence to the sheared and deeply weathered rhyolite-rhyodacite). These contain illite in association with minor proportion of neoforrned chlorite and a large proportion of relic quartz. XRD, IR and thermal properties of Mujjur illite correspond to pure illite. The clays are characterized by higher alkalies (K20 4.7%), with correspondingly low PCE value of 1420°C, absence of swelling minerals and very low CEC and dye adsorption.

Keywords


Mineralogy, Economic Geology, Non-Metals, Gadag, Karnataka.