HOHHOT - A tin deposit estimated at 83,700 tonnes has been found in North China's Inner mongolia autonomous region, local authorities said on Thursday.

The deposit at a copper-zinc mine in Chifeng city, has a potential value of more than 15 billion yuan (about $2.3 billion), according to the city's land and resources bureau.

The site is expected to become a new tin production base, the third in China after the Nanling Mountains in South China and Gejiu city in Southwest China's Yunnan province.