VLADIVOSTOK. January 18. VOSTOK-MEDIA - As of January 1 gold mines Chukotka produced 18.176 tons of gold, including the ore - 16.163 tons. Silver production was 190.165 tons. This was reported by the District Department of Industrial Policy, Construction and Housing.- The overall rate of extraction of precious metals compared with 2011 decreased slightly. This projected, planned reduction in production. Gold produced 7.3% less silver - 10.7%. In this case, if the amount of gold ore has decreased by 10.03%, the mining of placer deposits, however, increased - by 22.3% (to 2.01 tons)