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Seven-hundreds tonnes of ore, which could be refined into pure gold worth Bt900 billion, have been detected in 76 locations - including the Korat basin's western rim and upper central Thailand, the Department of Mineral Resources chief revealed yesterday.

Adisak Thongkhaimuk also warned people panning for ore of the health risks in using cyanide and its impact on human heath and water sources.

He said the department had detected the 700 tonnes of ore in 31 provinces, together with several sources of secondary-deposited ore - such as in LampangTak that had 24 tonnes of the secondary-deposited minerals.

The Nation