LINGKUNGAN PENGENDAPAN FORMASI MENGKARANG DAERAH AIRBATU DAN SEKITARNYA KECAMATAN RENAH PEMBARAP, KABUPATEN MERANGIN PROPINSI JAMBI.
DAFTAR ISI
Halaman
LEMBAR PENGESAHAN ........................................................................
iii
ABSTRAK ................................................................................................
iv
ABSTRACT.................................................................................................. ..
v
KATA PENGANTAR.................................................................................
vi
DAFTAR ISI .............................................................................................
ix
DAFTAR GAMBAR ................................................................................
xiv
DAFTAR TABEL ......................................................................................
xvii
BAB I
Pendahuluan ..........................................................................
1
1.1
Latar Belakang Penelitian .......................................................
1
1.2
Identifikasi Masalah ................................................................
3
1.3
Maksud dan Tujuan Penelitian .................................................
3
1.4
Lokasi dan Waktu Penelitian ....................................................
4
Tinjauan Pustaka ...................................................................
5
2.1
Geologi Regional .....................................................................
5
2.2
Stratigrafi Regional .................................................................
7
BAB II
2.2.1
2.3
Formasi Mengkarang (Pm) ..............................................
8
Struktur Regional ....................................................................
9
2.3.1
2.4
Penyesaran ......................................................................
10
Fosil ........................................................................................
14
2.4.1
Fosil Flora (Tumbuhan) ..................................................
ix
14
2.4.2
2.5
Fosil Fauna (Hewan) .......................................................
16
Fasies dan Lingkungan Pengendapan .......................................
18
2.5.1
Fasies (Facies) ................................................................
18
2.5.2
Lingkungan Pengendapan (Depositional Environment) ...
18
2.5.2.1
Sistem Fluvial ....................................................
19
2.5.2.2
Sistem Estuarin (Estuary) ..................................
23
2.5.2.3
Sistem Laut Dangkal (Continental Shelf) ...........
25
BAB III
Metode Penelitian ..................................................................
27
3.1
Tahap Persiapan .......................................................................
27
3.2
Tahap Penelitian ......................................................................
27
3.3
3.2.1
Tahap Pendahuluan .........................................................
27
3.2.2
Tahap Analisis dan Interpretasi Data ...............................
28
Penyusunan Laporan ........................................................................
29
BAB IV
Hasil dan Pembahasan ..........................................................
30
4.1
Karakteristik Litologi ..............................................................
30
4.2
Analisis Paleontologi ...............................................................
34
4.3
4.2.1
Fosil Flora (Tumbuhan) ..................................................
34
4.2.2
Fosil Fauna (Hewan) .......................................................
44
Fasies dan Asosiasi Fasies ................................................................
48
4.3.1
Penampang Terukur Sungai Merangin .............................
4.3.1.1
49
Interval 0-15 m, batupasir selang-seling
batulempung dan sisipan batulanau .................
x
49
4.3.1.2
Interval 16-35 m, batupasir selang-seling
batulanau, dan sisipan batulempung ...............
49
4.3.1.3
Interval 36-54 m, batupasir .............................
50
4.3.1.4
Interval 58-69 m, batupasir sisipan
batulanau dan batulempung ............................
4.3.1.5
Interval 70-91 m, batugamping sisipan
batupasir dan batulanau ..................................
4.3.1.6
53
Interval 201-220 m, batulanau selang-seling
batupasir .........................................................
4.3.1.11
52
Interval 187-200 m, batupasir
sisipan karbonan .............................................
4.3.1.10
52
Interval 173-186 m, batupasir selang-eling
batulanau ........................................................
4.3.1.9
51
Interval 165-171 m, batupasir selang-seling
batulanau ........................................................
4.3.1.8
51
Interval 147-164 m, batupasir selang-seling
batulanau dan batulempung.............................
4.3.1.7
50
53
Interval 221-243 m, batupasir sisipan
batulanau dan batulempung karbonan serta
lava. ............................................................
4.3.1.12
53
Interval 244-250 m, batulanau selang-seling
batupasir .........................................................
xi
54
4.3.1.13
Interval 251-268 m, batupasir selang-seling
batulanau
sisipan
batulempung
dan
konglomerat ....................................................
4.3.1.14
Interval 269-275 m, batupasir sisipan
batulempung karbonan....................................
4.3.1.15
4.3.2
Interval 276-301 m, tuf sisipan batulanau,
56
Penampang Terukur Sungai Titi Meranti ........................
57
Interval 0-18 m, batupasir
sisipan batulempung .......................................
4.3.2.2
57
Interval 19-58 m, batupasir selang-seling
batulanau sisipan batulempung .......................
57
Interpretasi Lingkungan Pengendapan pada masingmasing Penampang ..........................................................................
4.5
56
karbonan, batupasir, lava dan breksi ...............
4.3.2.1
4.4
55
58
4.4.1
Penampang Sungai Merangin ........................................
60
4.4.2
Penampang Sungai Titi Meranti ....................................
65
Paleogeografi Daerah Penelitian .......................................................
66
BAB V
KESIMPULAN ........................................................................
68
DAFTAR PUSTAKA ...............................................................................
71
LAMPIRAN 1 DESKRIPSI FOSIL ........................................................
76
LAMPIRAN 2 PENAMPANG STRATIGRAFI TERUKUR SUNGAI
MERANGIN (PTM) ................................................................................
xii
LAMPIRAN 3 PENAMPANG STRATIGRAFI TERUKUR SUNGAI
TITI MERANTI (PTT)............................................................................
LAMPIRAN
4
PETA
KERANGKA
GEOLOGI
DAERAH
PENELITIAN ..........................................................................................
xiii
Halaman
LEMBAR PENGESAHAN ........................................................................
iii
ABSTRAK ................................................................................................
iv
ABSTRACT.................................................................................................. ..
v
KATA PENGANTAR.................................................................................
vi
DAFTAR ISI .............................................................................................
ix
DAFTAR GAMBAR ................................................................................
xiv
DAFTAR TABEL ......................................................................................
xvii
BAB I
Pendahuluan ..........................................................................
1
1.1
Latar Belakang Penelitian .......................................................
1
1.2
Identifikasi Masalah ................................................................
3
1.3
Maksud dan Tujuan Penelitian .................................................
3
1.4
Lokasi dan Waktu Penelitian ....................................................
4
Tinjauan Pustaka ...................................................................
5
2.1
Geologi Regional .....................................................................
5
2.2
Stratigrafi Regional .................................................................
7
BAB II
2.2.1
2.3
Formasi Mengkarang (Pm) ..............................................
8
Struktur Regional ....................................................................
9
2.3.1
2.4
Penyesaran ......................................................................
10
Fosil ........................................................................................
14
2.4.1
Fosil Flora (Tumbuhan) ..................................................
ix
14
2.4.2
2.5
Fosil Fauna (Hewan) .......................................................
16
Fasies dan Lingkungan Pengendapan .......................................
18
2.5.1
Fasies (Facies) ................................................................
18
2.5.2
Lingkungan Pengendapan (Depositional Environment) ...
18
2.5.2.1
Sistem Fluvial ....................................................
19
2.5.2.2
Sistem Estuarin (Estuary) ..................................
23
2.5.2.3
Sistem Laut Dangkal (Continental Shelf) ...........
25
BAB III
Metode Penelitian ..................................................................
27
3.1
Tahap Persiapan .......................................................................
27
3.2
Tahap Penelitian ......................................................................
27
3.3
3.2.1
Tahap Pendahuluan .........................................................
27
3.2.2
Tahap Analisis dan Interpretasi Data ...............................
28
Penyusunan Laporan ........................................................................
29
BAB IV
Hasil dan Pembahasan ..........................................................
30
4.1
Karakteristik Litologi ..............................................................
30
4.2
Analisis Paleontologi ...............................................................
34
4.3
4.2.1
Fosil Flora (Tumbuhan) ..................................................
34
4.2.2
Fosil Fauna (Hewan) .......................................................
44
Fasies dan Asosiasi Fasies ................................................................
48
4.3.1
Penampang Terukur Sungai Merangin .............................
4.3.1.1
49
Interval 0-15 m, batupasir selang-seling
batulempung dan sisipan batulanau .................
x
49
4.3.1.2
Interval 16-35 m, batupasir selang-seling
batulanau, dan sisipan batulempung ...............
49
4.3.1.3
Interval 36-54 m, batupasir .............................
50
4.3.1.4
Interval 58-69 m, batupasir sisipan
batulanau dan batulempung ............................
4.3.1.5
Interval 70-91 m, batugamping sisipan
batupasir dan batulanau ..................................
4.3.1.6
53
Interval 201-220 m, batulanau selang-seling
batupasir .........................................................
4.3.1.11
52
Interval 187-200 m, batupasir
sisipan karbonan .............................................
4.3.1.10
52
Interval 173-186 m, batupasir selang-eling
batulanau ........................................................
4.3.1.9
51
Interval 165-171 m, batupasir selang-seling
batulanau ........................................................
4.3.1.8
51
Interval 147-164 m, batupasir selang-seling
batulanau dan batulempung.............................
4.3.1.7
50
53
Interval 221-243 m, batupasir sisipan
batulanau dan batulempung karbonan serta
lava. ............................................................
4.3.1.12
53
Interval 244-250 m, batulanau selang-seling
batupasir .........................................................
xi
54
4.3.1.13
Interval 251-268 m, batupasir selang-seling
batulanau
sisipan
batulempung
dan
konglomerat ....................................................
4.3.1.14
Interval 269-275 m, batupasir sisipan
batulempung karbonan....................................
4.3.1.15
4.3.2
Interval 276-301 m, tuf sisipan batulanau,
56
Penampang Terukur Sungai Titi Meranti ........................
57
Interval 0-18 m, batupasir
sisipan batulempung .......................................
4.3.2.2
57
Interval 19-58 m, batupasir selang-seling
batulanau sisipan batulempung .......................
57
Interpretasi Lingkungan Pengendapan pada masingmasing Penampang ..........................................................................
4.5
56
karbonan, batupasir, lava dan breksi ...............
4.3.2.1
4.4
55
58
4.4.1
Penampang Sungai Merangin ........................................
60
4.4.2
Penampang Sungai Titi Meranti ....................................
65
Paleogeografi Daerah Penelitian .......................................................
66
BAB V
KESIMPULAN ........................................................................
68
DAFTAR PUSTAKA ...............................................................................
71
LAMPIRAN 1 DESKRIPSI FOSIL ........................................................
76
LAMPIRAN 2 PENAMPANG STRATIGRAFI TERUKUR SUNGAI
MERANGIN (PTM) ................................................................................
xii
LAMPIRAN 3 PENAMPANG STRATIGRAFI TERUKUR SUNGAI
TITI MERANTI (PTT)............................................................................
LAMPIRAN
4
PETA
KERANGKA
GEOLOGI
DAERAH
PENELITIAN ..........................................................................................
xiii