The Marathon North Platinum-Palladium Property in Northern Ontario is directly bordering Generation Mining Ltd.’s (CSE: GENM) Marathon palladium project. This new project encompasses approximately 11,000 acres making Sienna one of the largest landholders in the Coldwell Complex other than Generation Mining. The Coldwell Complex is the largest alkaline complex in North America and hosts the Marathon platinum-palladium deposit. According to Generation Mining’s webpage, the Marathon deposit is ‘one of’ the largest undeveloped platinum group metal mineral resources in North America hosting several PGM-Copper deposits, including the 7.1 million ounce palladium-equivalent Marathon Deposit. On January 6, 2020, Generation Mining Limited released a preliminary economic assessment (PEA) giving Marathon an after-tax net present value (NPV) of $871 million.