Struktur Bawah Permukaan Lapangan Panasbumi Songgoriti, Provinsi Jawa Timur Berdasarkan Survei Metoda Geomagnet dan Geologi.
DAFTAR ISI
Halaman
ABSTRAK ...................................................................................................... i
ABSTRACT ..................................................................................................... ii
KATA PENGANTAR .................................................................................... iii
DAFTAR ISI .................................................................................................... v
DAFTAR GAMBAR ...................................................................................... ix
DAFTAR TABEL .......................................................................................... xi
BAB I PENDAHULUAN
1.1 Latar Belakang Penelitian ....................................................................... 1
1.2 Identifikasi Masalah ............................................................................... 3
1.3 Maksud dan Tujuan Penelitian ............................................................... 3
1.4 Kegunaan Penelitian............................................................................... 4
1.5 Kerangka Pemikiran ............................................................................... 4
1.6 Metodologi Penelitian ............................................................................ 5
1.7 Lokasi dan Waktu Penelitian .................................................................. 8
BAB II TINJAUAN PUSTAKA
2.1 Geologi Regional ................................................................................ 10
2.1.1 Stratigrafi Regional ................................................................. 10
2.1.2 Aktivitas Vulkanik .................................................................. 14
2.1.3 Tektonik .................................................................................. 16
vi
2.2 Geofisika ............................................................................................ 17
2.2.1 Metoda Geomagnet ................................................................. 17
2.3 Sistem Panasbumi .............................................................................. 27
2.3.1 Sistem Hidrothermal ............................................................... 29
2.3.2 Sistem Batuan Panas Kering ................................................... 30
2.3.3 Sistem Geopressure .................................................................. 31
BAB III METODE PENELITIAN
3.1 Peralatan dan Data ............................................................................... 34
3.2 Tahapan Penelitian .............................................................................. 34
3.2.1 Tahap Pendahuluan ...................................................................... 34
3.2.2 Tahap Pengolahan Data.................................................................. 35
3.2.2.1. Data Geologi ................................................................... 35
3.2.2.2 Data Geofisika ................................................................ 36
3.2.3 Tahap Pembahasan dan Penulisan Laporan .................................. 38
BAB IV HASIL DAN PEMBAHASAN
4.1 Geologi Regional ................................................................................ 40
4.1.1 Stratigrafi Regional ......................................................................... 40
4.1.2 Struktur Geologi ............................................................................ 42
4.1.3 Sejarah Gunungapi (Thermal History) ........................................... 45
4.1.4 Manifestasi Panasbumi di Permukaan ............................................ 48
vii
4.2 Geofisika ........................................................................................... 50
4.2.1 Geomagnet .................................................................................... 50
4.2.1.1. Anomali Geomagnet ....................................................... 50
4.2.1.2. Penampang 2-Dimensi Model Geomagnet ..................... 61
4.3 Struktur Bawah Permukaan ................................................................ 67
BAB V KESIMPULAN ................................................................................ .71
DAFTAR PUSTAKA .................................................................................... 73
LAMPIRAN
viii
Halaman
ABSTRAK ...................................................................................................... i
ABSTRACT ..................................................................................................... ii
KATA PENGANTAR .................................................................................... iii
DAFTAR ISI .................................................................................................... v
DAFTAR GAMBAR ...................................................................................... ix
DAFTAR TABEL .......................................................................................... xi
BAB I PENDAHULUAN
1.1 Latar Belakang Penelitian ....................................................................... 1
1.2 Identifikasi Masalah ............................................................................... 3
1.3 Maksud dan Tujuan Penelitian ............................................................... 3
1.4 Kegunaan Penelitian............................................................................... 4
1.5 Kerangka Pemikiran ............................................................................... 4
1.6 Metodologi Penelitian ............................................................................ 5
1.7 Lokasi dan Waktu Penelitian .................................................................. 8
BAB II TINJAUAN PUSTAKA
2.1 Geologi Regional ................................................................................ 10
2.1.1 Stratigrafi Regional ................................................................. 10
2.1.2 Aktivitas Vulkanik .................................................................. 14
2.1.3 Tektonik .................................................................................. 16
vi
2.2 Geofisika ............................................................................................ 17
2.2.1 Metoda Geomagnet ................................................................. 17
2.3 Sistem Panasbumi .............................................................................. 27
2.3.1 Sistem Hidrothermal ............................................................... 29
2.3.2 Sistem Batuan Panas Kering ................................................... 30
2.3.3 Sistem Geopressure .................................................................. 31
BAB III METODE PENELITIAN
3.1 Peralatan dan Data ............................................................................... 34
3.2 Tahapan Penelitian .............................................................................. 34
3.2.1 Tahap Pendahuluan ...................................................................... 34
3.2.2 Tahap Pengolahan Data.................................................................. 35
3.2.2.1. Data Geologi ................................................................... 35
3.2.2.2 Data Geofisika ................................................................ 36
3.2.3 Tahap Pembahasan dan Penulisan Laporan .................................. 38
BAB IV HASIL DAN PEMBAHASAN
4.1 Geologi Regional ................................................................................ 40
4.1.1 Stratigrafi Regional ......................................................................... 40
4.1.2 Struktur Geologi ............................................................................ 42
4.1.3 Sejarah Gunungapi (Thermal History) ........................................... 45
4.1.4 Manifestasi Panasbumi di Permukaan ............................................ 48
vii
4.2 Geofisika ........................................................................................... 50
4.2.1 Geomagnet .................................................................................... 50
4.2.1.1. Anomali Geomagnet ....................................................... 50
4.2.1.2. Penampang 2-Dimensi Model Geomagnet ..................... 61
4.3 Struktur Bawah Permukaan ................................................................ 67
BAB V KESIMPULAN ................................................................................ .71
DAFTAR PUSTAKA .................................................................................... 73
LAMPIRAN
viii