Identification of Alteration-Mineralization in Skarn Deposit System based on Time-Domain Induced Polarization Method Approach in Kasihan Area, Pacitan, East Java: Identifikasi Alterasi-Mineralisasi pada Sistem Endapan Skarn Berbasis Pendekatan Metode Time Domain Induced Polarization di Daerah Kasihan, Pacitan, Jawa Timur. Geocelebes. 2022;6(1):56-63. doi:10.20956/geocelebes.v6i1.17558