Baole Wen^1,2, Sahar Bakhshian³, Seyyed Abolfazl Hosseini³ and Marc A Hesse⁴, (1)University of Texas at Austin, Bureau of Economic Geology, Austin, TX, United States, (2)University of Michigan Ann Arbor, Department of Mathematics, Ann Arbor, MI, United States, (3)Bureau of Economic Geology, University of Texas at Austin, Austin, TX, United States, (4)University of Texas at Austin, Geological Sciences, Austin, TX, United States