Looks like impacts on the rock.

  • jerkface
    2·
    1 year ago

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

    • ThcgrasscityOP
      2·
      1 year 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.