General Lithology:Magnetite-Chalcopyrite Skarn
Description:Formed when hot fluids passed through a limestone, altering it to a mass of an iron oxide (magnetite), a copper sulphide (chalcopyrite) and other minerals.
Representing:A zone of mineralization of unknnown age associated with the igneous intrusion to the north.
Original location:Marmora Quarry, Ontario
Estimated mass (tonnes):1.6
Donor:Courtesy of Aecon Group