Mineral Resources – Department of Mining and Geology
Among the 25 working china clay mines in Kerala, 17 are in Thiruvananthapuram, 4 in Kollam, and 2 each in Kannur and in Kasargod districts, and these jointly produced 4,47,000 tonnes in 2000-'01 fiscal. Kerala has a prominent place in the refined clay map of the country, contributing about 58% of the national annual out put.
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