DAFTAR ISI HALAMAN JUDUL ................................................................. i LEMBAR PENGESAHAN....................................................... iii LEMBAR PERNYATAAN....................................................... v KATA PENGANTAR............................................................... vii DAFTAR ISI ............................................................................. ix DAFTAR GAMBAR................................................................. xii DAFTAR TABEL ..................................................................... xiv DAFTAR LAMPIRAN ............................................................. xv ABSTRAK ................................................................................ xvii ABSTRACT ........................................................................... ..xviii BAB I PENDAHULUAN 1.1.Latar Belakang ..................................................................... 1 1.2.Perumusan Masalah .............................................................. 1 1.3.Batasan Masalah ................................................................... 2 1.4.Tujuan Penelitian .................................................................. 2 1.5.Manfaat Penelitian ................................................................ 2 BAB II TINJAUAN PUSTAKA 2.1 Metode Geolistrik ................................................................. 3 2.2 Metode Polarisasi Terimbas .................................................. 3 2.3 Proses Elektrokimia .............................................................. 4 2.3.1 Polarisasi membran ..................................................... 4 2.3.2 Polarisasi elektroda ..................................................... 5 2.4 Pengukuran Metode Induksi Polarisasi .................................. 7 2.5.1 Kawasan waktu (time domain)..................................... 7 2.5.2 Kawasan frekuensi (frequency domain) ....................... 9 2.5 Konfigurasi Elektroda ........................................................... 12 2.5.1.Faktor geometri ........................................................... 13 2.5.2 Pseudodepth section.................................................... 14 2.6 Sumber Gangguan dan Penanggulangan................................ 14 2.7 Mineralogi............................................................................ 15 2.8.1 Kondisi geodinamik Indonesia .................................... 15 2.8.2 Proses mineralisasi .................................................... 16 2.9 Tinjauan Daerah Malang Selatan .......................................... 20 9.1.1 Tinjauan fisiografi ....................................................... 20 9.1.2 Tinjauan morfologi ..................................................... 20 ix 9.1.3 Tinjauan geologi ...................................................... 20 2.10 Karakteristik Fisis Mineral Pyrite...................................... 22 BAB III METODE PENELITIAN 3.1.Waktu dan Tempat Penelitian ............................................... 23 3.2.Peralatan Penelitian ............................................................. 23 3.3.Metode Penelitian ................................................................ 23 3.3.1. Akuisisi data .............................................................. 23 3.3.2. Pengolahan data .......................................................... 24 3.3.3. Interpretasi data .......................................................... 25 3.4.Diagram Alir Penelitian ....................................................... 26 BAB IV HASIL DAN PEMBAHASAN 4.1 Analisa Data ....................................................................... 27 4.2 Analisa Hasil dan Pembahasan ............................................. 28 4.2.1 Lintasan-1 ................................................................... 29 4.2.1.1 Resistivity (r) ................................................. 29 4.2.1.2 Percent frequency effect (PFE) ....................... 31 4.2.1.3 Chargheability (M) ......................................... 31 4.2.1.4 Metal faktor (MF) ........................................... 32 4.2.1.5 Perbandingan model pseudodepth section line-1.............................................................. 34 4.2.2 Lintasan-2 ................................................................... 36 4.2.2.1 Resistivity (r) ................................................. 36 4.2.2.2 Percent frequency effect (PFE) ....................... 38 4.2.2.3 Chargheability (M) ......................................... 38 4.2.2.4 Metal factor (MF) ........................................... 39 4.2.2.5 Perbandingan model pseudodepth section line-2 ............................................................. 40 4.2.3 Perbandingan hasil penelitian metode polarisasi terimbas dengan hasil-hasil penelitian gayaberat, medan magnet, self potential, dan mise a la mase ....... 43 4.2.3.1 Metode gayaberat ........................................... 44 4.2.3.2 Metode medan magnet .................................... 45 4.2.3.3 Metode self potential ...................................... 46 4.2.3.4 Metode mise a la mase .................................... 47 4.2.3.5 Metode VLR-R............................................... 49 x BAB V PENUTUP 5.1 Kesimpulan .......................................................................... 51 5.2 Saran .................................................................................... 51 DAFTAR PUSTAKA................................................................ 53 LAMPIRAN .............................................................................. 55 xi