Ages for Orthoclase at Tae Hwa Mine (Taehwa Mine; Dae Hwa Mine; Taewha Mine; Tong Wha Mine; Tae Wha Mine), Neungam-ri (Neung Am-ri; Noungam-ri), Angseong-myeon, Chungju (Chung Won Kum; Chung-ju), North Chungcheong Province, South Korea

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 84Ma - 80Ma at this locality