Ages for Chalcopyrite at 2nd Sovetskii Mine (Second Sovietsky Mine; 2nd Sovietskiy Mine; Vtoroi Sovietskiy Mine; 2nd Sovietskii Mine), Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 66Ma - 63Ma at this locality