Pembentuk Cekungan (Tektonik)

4.
Pembentukan Cekungan
Matakuliah Pilihan Semester VII
Oleh: Bernadeta Subandini Astuti, ST, M.Eng
Materi lalu
Materi lalu
Konsep : Airy Isostacy
Densitas : 2,8
Density : semakin kearah
atas semakin rendah
Densitas : 3,3
Terkait dengan pengapungan
Materi lalu
Konsep : Airy Isostacy
Dihubungkan dengan
rigid
Flextural Isostacy Hypothesis
: Adanya flextural
response (respon
kelenturan) menunjukkan
tingkat kaku yang rendah
McKenzies Model
For Basin Formation
Materi lalu
Bisa juga dilihat di Global Tectonic - Kearey et al, 2009
Dasar pemikiran
: Tektonik
PANGAEA : A SUPER CONTINENT
Evidence :
The Continental
Jigsaw Puzzle
Evidence :
Fossils Match Across the Seas
Evidence :
Rocks Types and

Structures Match
Evidence :
Ancient Climate
Dasar pemikiran
HOT
SPOT
PLATE BOUNDARY : MIDOCEANIC RIDGES
IGNEOUS ACTIVITY AND SEDIMENTATION ASSOCIATED

WITH CONTINENTAL RIFTING
(Dewey and Burke, 1974)
Divergent Plate Boundaries and Oceanic Ridges
SEVEN MAJOR LITHOSPHERIC PLATES
HOT
SPOT
Tectonic Basin Classification

TECTONIC BASIN
CLASSIFICATION
FOR CONTINENTAL ( a, b, and c ),
MARGINAL AND OCEANIC BASINS
( d, e, and f )
After Dickinson and Yarborough, 1976;

Kingston et al , 1983; Mitchell and Reading, 1986
TECTONIC BASIN
CLASSIFICATION
FOR SUBDUCTION and
COLLISION-RELATED
BASINS (REMNANT BASIN)

C
TECTONIC BASIN
CLASSIFICATION
for
COLLISION-RELATED and
STRIKE-SLIPSINS/WRENCH
BASINS

Plate Boundaries
A. Divergent boundaries
B. Convergent boundaries
C. Transform boundaries
Type of plate interaction

(Indonesia)
Tectonic setting of Southeast Asia and Sunda

Microplate (Sunda Land)
Plate Movement
HALL & WILSON
JOURN .OF ASIAN E SCI.2000
STTNAS YOGYAKARTA PERTAMINA DIT.HULU
Peta Cekungan Sedimentasi Indonesia
96 E
100 E
104 E
108 E
112 E
116 E
120 E
124 E
128 E
132 E
136 E
140 E
144 E
Man ila
THAILAND
TYPES OF BASINS
LIST OF BASINS
Bangkok
INTRACRATONIC
OCEANIC TRENCH*
ISLAND ARC
CAMBODIA
PASSIVE MARGIN
FOREARC
ABORT ED RIFT
INTRA-ARC
OCEANIC AND
REMNANT OCEANIC
12 N
Pnom Pene
FOREDEEP
VIETNAM
FORELAND
PLATFORM
Ho Chiminth
PULL-APART
BACK-ARC
TRANSFORM MARGIN
THRUST FOLD BELT
SUT URES
SUSPENDED
outh
China
18 NORTH WEST JAVA

19 NORTH EAST JAVA
20 FLORES
21 WEST NATUNA
22 EAST NATUNA
23 MELAWI
24 KETUNGAU
25 PEMBUANG
26 BARITO
27 ASEM ASEM & PASIR
28 PATERNOSTER
29 UPPER KUTEI
30 KUTEI
31 MUARA
32 NORTH EAST KALIMANTAN
33 CELEBES
34 NORTH MAKASSAR
1 NORTH SUMATRA
2 CENTRAL SUMATRA
3 OMBILIN
4 SOUTH SUMATRA
5 MEULABOH
6 NIAS
7 MENTAWAI
8 SUNDA STRAIT
9 SOUTH WEST JAVA
10 SOUTH JAVA
11 SOUTH BALI-LOMBOK
12 SOUTH CENTRAL JAVA
13 SOUTH EAST JAVA
14 SUNDA
15 ASRI
16 VERA
ea
17S
BILLITON
35 SOUTH MAKASSAR
36 LARIANG
37 SPERMONDE
38 SALAYAR
39 SENGKANG
40 BONE
41 GORONTALO
42 SOUTH MINAHASA
43 NORTH MINAHASA
44 BANGGAI-SULA
45 SALABANGKA
46 MANUI
47 BUTON
48 BANDA
49 SAVU
50 TIMOR
Palawan
51 TANIMBAR-KAIS
Mindoro
INDONESIA BASINS
52 WEBER
53 SERAM (BULA)
54 NE HALMAHERA (KAU BAY)
55 EAST HALMAHERA (BULI BAY)
56 SE HALMHERA (WEDA BAY)
57 ARAFURA
Samar
58 ARU
59 AKIMEUGAH
60 CENTRAL IRIAN JAYA
Panay
61 LENGGURU
62 BINTUNI
63 TELUK BERAU-AJUMARU
64 MISOOL-ONIN
65 SALAWATI
66 WAIPOGA-WAROPEN
PHILIPPINES
PACIFIC
OCEAN
Negros
This distribution of basin in Indonesia is not an official document. This map has been prepared and modified
from the previous PERTAMINA/BEICEP 1982 and 1985 non exclusive studies.
08 N
Mindanao
TH
LA
TH
AIL
AN
MA
LAY D
SIA
AI
T
IN HAIL
DO A
NE ND
SIA
N
D
Sandakan
22
a
la
c
SABAH
c
S
a
a
tr
SA
RA
AK
Morotai
32
31
24
St
30
Mahakam
Total
R
A
K
34
a
ri
Palangkaray a
m
a
ta
tr
Bel itung
26
a
it
25
Bangka
Palembang
Pagai
M aluku
27
44
36 SULAWESI
18
60
Banda
12
Bali
Pasuruhan
Sea
48
20
Flores
Bali
Denpasar
57
Araf ur a
Sea
Wetar
Alor
Lombok
Mat aram
Flores
Dili
Sumbawa
10
49
S a wu
11
O C E A N
Sea
PAPUA NEW
GUNEA
Kob roor
Trangan
Yos Sudarso
13
I N D I A N
Wakem
58
Surabay a
Y og y akar ta
59
Kai
51
Madura
Semarang
Sea
52
40
38
JAVA
08 S
I R I A N J A YA
Buton
47
37
19
Cirebon
Bandung
61
46
39
16
Jakarta
Jayapura
53 64
Seram
Buru
35
Ujungpandang
66
Cendrawasih Bay
62
Sea
Ambon
Kendari
28
Sea
Lampung
Enggano
Yapen
63
Misool
Seram
Laut
Java
Biak
65
Obi
Mangole
Talibu
45
17
15
Bacan
56
Banjarmasin
14
Sea
Banggai
Plaju
Bengkulu
Sea
Palu
Ma
AT
Sakakemang
Block
Sipura
Halmahera
41
ar
Samarinda
KALIMANTAN
54
Waigeo
ss
29
23
3
Jambi
04 S
Man ado
55
ka
Pontianak
Singkep
Siberut
HALMAHERA
42
Kucing
Bintan
Pekanbaru
SU
Tana Batu
Sea
Batam
Padang
00
43
S u l a we s i
Timor
Sea
Timor
Sea
INDONESIA
A
NESI
INDO
YSIA
MALA
Sea
PAPUA NEW GUINEA
IA
Natuna
SINGAPORE
6
Nias
33
Anambas
Toba Lake
Simeule
it
Kualalumpur
Med an
INDONESIA
Natuna
ra
M
IN AL
DO A
NE YS
SIAIA
PHILIPPINES
Brunei Darusalam
LA
it
04 N
21
ba
r
Lhokseumawe
BRUNEI
Ta
nim
Banda Aceh
IA
INDONES
ALIA
AUSTR
Sumba
Kupang
50
12 S
16 S
AUSTRALIA
KILOMETERS
0
500
AUSTRALIA
CONTINENTAL
MARGIN BASIN
TYPE
CONVERGENT
BASIN TYPE
TYPE OF CRUST ON WHICH THE

BASIN REST
TECTONIC POSITION TO
PLATE MARGIN
PLATE MARGIN/
INTRAPLATE
TYPE OF PLATE INTERACTION

- CONVERGENT
- DIVERGENT
- STRIKE SLIP
BASIN CHARACTERISTICS,
SIZE, CONFIGURATION,
SEDIMENTATION AND
STRUCTURATION
Basin Types and crustal Association
After Kingston et al, 1983a
Basin Classification
Dasar pemikiran
HOT
SPOT
http://www.google.com/imgres?es_sm=93&espv=210&biw=1024&bih=494&tbm=is
ch&tbnid=XFUQfOS1U0n61M:&imgrefurl=http://hudsonvalleygeologist.blogspot.co
m/2011/03/nyiragongo.html&docid=QxR4Fi7FeztKM&imgurl=https://lh4.googleusercontent.com/-uIBQf7VMnAU/TXj6HZp6FI/AAAAAAAABJM/a7DPJe8lqUc/s1600/rv.gif&w=440&h=307&ei=b_h9Ur68Lc
KjrQe_x4DIBw&zoom=1&ved=1t:3588,r:16,s:0,i:127&iact=rc&page=2&tbnh=177
&tbnw=269&start=9&ndsp=12&tx=91&ty=86
Divergent boundary at continental

plates (rift Valey)
East African rift valley

And associated features
RELATION BETWEEN
SAGS,RIFTS, AULACOGENS and PASSIVE MARGINS
EVOLUTION MODEL :
AULACOGEN and RELATED OROGENIC BELT
http://csmres.jmu.edu/geollab/vage
ol/vahist/Rift3.html
PLATES BOUNDARY : SUBDUCTION ZONE
Three types of
convergent Plate
Boundaries :
A. Oceanic-continental
B. Oceanic-oceanic
C. Continental-continental
Tipe seting cekungan foreland (Willett et al.,

1993 dalam Allen & Allen, 2005).
Skema penampang yang memperlihatkan tumbukan mikrokontinen Banggai-Sula dengan Sundaland, Simandjuntak &
Barber, 1996 dalam Satyana, 2008
MODEL OF
PULL-APART BASIN
DEVELOPMENT
(After Mann et al.,1983, p.531)
CONTINUUM MODEL OF
PULL-APART BASIN
DEVELOPMENT
(After Mann et al.,1983, p.531)
Transform boundaries
Fig.9 B
Fig 9. Transcurrent, or strike-slip or wrench faults are used more or less synonymously
Deep
High
Low
Fig. 10. Tectonic element system in Central Java

Pembentuk Cekungan (Tektonik)

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4.

Oleh: Bernadeta Subandini Astuti, ST, M.Eng

Konsep : Airy Isostacy

Konsep : Airy Isostacy

Flextural Isostacy Hypothesis

Bisa juga dilihat di Global Tectonic - Kearey et al, 2009

Fossils Match Across the Seas

Rocks Types and

PLATE BOUNDARY : MIDOCEANIC RIDGES

IGNEOUS ACTIVITY AND SEDIMENTATION ASSOCIATED

(Dewey and Burke, 1974)

Divergent Plate Boundaries and Oceanic Ridges

SEVEN MAJOR LITHOSPHERIC PLATES

Tectonic Basin Classification

After Dickinson and Yarborough, 1976;

After Dickinson and Yarborough, 1976;

After Dickinson and Yarborough, 1976;

Type of plate interaction

Tectonic setting of Southeast Asia and Sunda

STTNAS YOGYAKARTA PERTAMINA DIT.HULU

Peta Cekungan Sedimentasi Indonesia

THRUST FOLD BELT

18 NORTH WEST JAVA

PAPUA NEW GUINEA

TYPE OF CRUST ON WHICH THE

TYPE OF PLATE INTERACTION

Basin Types and crustal Association

After Kingston et al, 1983a

Divergent boundary at continental

East African rift valley

PLATES BOUNDARY : SUBDUCTION ZONE

Tipe seting cekungan foreland (Willett et al.,

STTNAS YOGYAKARTA PERTAMINA DIT.HULU

Fig. 10. Tectonic element system in Central Java

STTNAS YOGYAKARTA PERTAMINA DIT.HULU

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