2:45 PM - 3:00 PM
*Avriel Venis Literal Cirineo1, Akira Imai2, Ryohei Takahashi1, Noel C. Oliveros3, Redempta P. Baluda3, Victor B. Maglambayan3, Roy Ronald C. Luis3, Maria Lourdes M. Faustino3 (1.Graduate School of International Resource Sciences, Akita University, 2.Faculty of Engineering, Kyushu University, 3.Philex Mining Corporation)