re the depreciation / higher profit margin; pic 1 from ZEN...

re the depreciation / higher profit margin; pic 1 from ZEN annual report we can see some re-ups that should have lower depreciation as some PP&E in place already.

the 2/3/4th pic is some good news re Plutonic; BOO finishes next year 2021 (from ZEN annual report), but Superior Gold announced a 5 year plan (so the mine goes to 2025 at least) and also announced they have drilled some really high grade extensions