About 15 million tons of minerals are annually extracted from Semnan’s 500 mines, said the head of Industries, Mining and Trade Organization of the province, Behrouz Asvadi, adding that Semnan has more than 460 million tons of mineral reserves.
The official also noted that Semnan ranks fifth among other provinces in terms of the number of mines and sixth in mineral extraction as well as in the number of employees in the mining sector, Mehr News Agency reported.
