vancouverbased goldandsilver producer great panther mining ltd released its fullyear production for 2021 from its three wholly owned mines tucano in brazil and topia and the guanajuato mine complex in mexico production was lower and costs rose in the year because of geotechnical issues lower production and higher costs in 2021 were attributed to geotechnical issues resulting from wall pit stability in the ucs open pit and additional remediation work needed to ensure safety for workers as well as operational issues due to low contractor performance at tucano the company said mining in the ucs pit was ramped down in the fourth quarter and will be suspended until mid2022 following the rainy season when the additional pushback necessary can be completed in a safe and costeffective manner consolidated metal production of 105006 gold equivalent ounces inclusive of 87054 gold ounces and 1201822 silver great panther said total gold production at tucano was 79348 ounces of gold total silver equivalent production at the guanajuato mine complex of 1051336 ounces consolidated metal production of 24284 gold equivalent ounces inclusive of 20850 gold ounces and 227084 silver ounces the company said total silver equivalent production at the guanajuato mine complex of 209074 silver equivalent ounces