Looks like impacts on the rock.

  • Jerkface (any/all)
    2·
    2 years ago

    So does the fact that it’s all black mean that the impacts predate Sudbury’s industry?

    • ThcgrasscityOP
      2·
      2 years ago

      Yes, as far as i could find there were a few chipped rocks nearby and you can see the layer of black “tar” ontop of all the rocks.