Lakehead University’s Steve Kissin and Philip Fralick, along with retired high school teachers Bill Addison and Greg Brumpton, discovered debris from a meteorite that hit near Sudbury 1.8 billion years ago. The finding is particularly important for understanding Mars: marble-sized spheres in the Sudbury rocks are similar to those found in rocks on Mars, helping researchers decipher the origin of the Martian rocks. The debris was discovered from the impact in rocks in the Lake Superior region.
Their discovery also promises to shed light on the consequences of large meteorite impacts for life and ocean chemistry on Earth.