ags-4_kurbaru.ppt

8/18/2019 AGS-4_kurbaru.ppt

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GEOLOGI STRUKTUR INDONESIA

BAGIAN BARAT


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GEOLOGI STRUKTUR INDONESIA

GLOBAL TECTONIC OF ASIA

(Berdasarkan Tektonik Lempeng


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!LATE TECTONIC "- Ar#s Kon$eksi- %ot Spot- Sea F&oor Spreading-

Conitinenta& Dri't

EKANISE GERAK


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THE CENOZOIC TECTONIC EVOLUTION OF

WESTERN INDONESIA


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TECTONIC SETTING OF INDONESIAN REGION

• ACTIVE TECTONICS REGION

• INTERACTION OF THREE

MAJOR PLATES

• COMPLEX TECTONIC

HISTORY

• DIVIDED INTO WESTERN AND

EASTERN INDONESIA


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Lempeng India)A#stra&ia

Bergerak ke #tara*

Lempeng !asi'ik

+ergerak ke +arat*

sedangkan Lempeng

E#rasia re&ati' diam,


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Indonesia !osition G&o+a& !&ate)Te-toni-s


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TECTONICS MODEL OF INDONESIAN REGION

• HAMILTON (1979) – No Ro!"!#o"$ Mo%&$

•

TAPPONIER (19') I%&!"!#o T&*!o#*+• DALY &! "$, (1991) – C$o*-.#+& Ro!"!#o Mo%&$

• HALL (199) – Co/!&0 C$o*-.#+& Ro!"!#o Mo%&$

•

P"0-#+o &! "$, (199') – M#*0o*o!#&!• W"-#!" &! "$, (1999) M#*0o*o!#&!


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TEKTONIK ASIA TENGGARA DI.ELASKAN DENGAN TEORI

TEKTONIK EKSTRUSI

(Taponier* /012


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TA!ONIER* /012

Mo%&$ T&-!o#- A+#" T&22"0" M&/0/! T"3o#&0 (19'4)

Usa3a orang #nt#k merekonstr#ksi tataan geo&ogi masa &ampa# di Asia

Tenggara (termas#k di da&amn4a Indonesia +agian +arat sempat terpengar#3

o&e3 kem#-#&an 5mode& ekstr#si6 4ang dia7#kan o&e3 Tapponier drr (/012,

ode& ini menggam+arkan t#m+#kan India ter3adap E#rasia 4ang +eraki+at

terdesakn4a +agian tenggara Asia, ode& ini men#r#t +e+erapa &a8ani&mia3n4a k#rang seim+ang da&am #k#ran* se&ain it# &angkan4a gerakan sesar

mendatar 4ang akti' (Sesar S#ngai era3 di 9ietnam tidak&a3 men#n7ang*

demikian p#&a perpendekan kerak +#mi di Ti+et tidak dipertim+angkan (Da&4

drr,* /01:,

o&nar dan Taponier (/0;,


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MEo

MM#o

LM#o

O$#2o+&

EEo


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INDENTATION TECTONIC


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I%#" A+#" Co$$#+#o5"+&% o E6!0/+#o Mo%&$

T"33o#&0 (19')

• Development and

Distribution of

Paleogene Basins

• Andaman Sea

Opening

• Sumatra Fault Zone

(SFZ) – Dextral

System

INDENTATION TECTONICS


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Spreading +erara3

+arat)tim#r

+er&angs#ng di Se&atanSam#dra %india*

men4e+a+kan &empeng

di +agian #tara OR

+ergerak ke #tara, Di#tara* Lempeng India)

A#stra&ia +ert#m+#kan

dengan Lempeng

E#rasia mem+ent#k 7ar s#+d#ksi,


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T#m+#kan LempengE#rasia dan Lempeng

India)A#stra&ia*

mem+ent#k "

/, 7ar s#+d#ksi* di-irikandengan ter+ent#kn4a pang

(.a$a tren-3,

2, Di #tara (India)C3ina ter7adi

ko&isi mem+ent#k !eg#n#ngan%ima&a4a,


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19/42


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Tectonics of Western Indonesia

(Katili, 1973; 1981)


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S#+d#ksi Kap#r)Re-ent (Kati&i /0;?

V1

V4

T1T4

V1


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Tectonics of Western Indonesia

( Anas-3inda* /0;1)


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Co&&osion a&a4a B&o-k (Anas-3inda* /0;1


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!RESENT DA@ ) INDONESIA


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TECTONIC ELEMENTS OF INDONESIA AND SEASIA REGION


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FREE AIR GRAVITY MAP OF INDONESIAN REGION


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VOLCANOES


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PRESENT DAY TECTONIC SETTING OF INDONESIAN REGION


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CENOZOIC TECTONIC EVOLUTION OF INDONESIAN REGION

ti A l P tt d D illi " ll # di O


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agneti! Anomaly Pattern and Drilling "ell on #ndian O!eanFloor


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$%&$O'#& %O*$#O' OF "%S$%+' #'DO'%S#A

Daly, et al., 1991

C # T ! # E $ !# SE ASIA


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C&oo#* T&*!o#* E8o$/!#o o SE ASIA


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55

0

40

$%&$O'#& %O*$#O' OF SO*$,%AS$ AS#A +%-#O'

4:

,all (.///)


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0

P+%S%'$0DA1 $%&$O'#& S%$$#'- OF SO*$,%AS$ AS#A +%-#O'

,all (.///)

THE SUNDALAND


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THE SUNDALAND

TERTIARY 5ASINS


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TERTIARY 5ASINS

,all (2334)

• 5AC;ARC• FOREARC• EXTENSIONAL


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CENOZOIC TECTONIC EVOLUTION OF JAVA ISLAND


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CENOZOIC TECTONIC EVOLUTION OF JAVA ISLAND


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