Transcript
7/23/2019 01. General Introduction.ppt
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Global Plate Tectonics
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Indonesia Position Global Plate-Tectonics
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Indonesia Position in Global
Plate Tectonics
The pacific oceanic plate in the northeast
The Australian continental plate in
southeastThe Indian oceanic plate in the southwest
The Asian continental plate in the
northeast
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Indonesia Position Global Plate-Tectonics
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INDONESIA: BAT!"ET#!
$ontinental land%ass: continental islands
and sea shelf: & '(( %
Oceanic Islands and Oceanic Deeps :)'((%
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$ONTINENTA*
*AND"ASSES
S+NDA SE*, with:
Su%atra
.a/a and 0ali%antan
A#A,+#A $ONTINENTA* SE*, :
1 Australian continent
1 Irian .a2a New Guinea
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Indonesia
*and%asses and Oceans
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G#A3IT! "AP O,
INDONESIA
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TECTONIC PLATES AND
CRUSTS
4ESTE#N INDONESIA: STAB*E
S+NDA $ONTINENT
$ENT#A* INDONESIA: "I$#O-$ONTINENTS AND O$EANI$ BASINS
EAST INDONESIA: STAB*E
SA+*5A+ST#A*IAN $ONTINENT
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Indonesia Position in Global Plate-Tectonics
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P*ATE TE$TONI$S "O3E"ENT IN
INDONESIA in/ol/es:
$on/er6ence 7collisions subduction
and obduction89
Di/er6ence 7riftin6 brea-up andsubse;uent seafloor spreadin689
Trans/er6ence 7wrench faultin68<
in/ol/in6 translatation and rotation9
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P*ATE BO+NDA#IES:
A$TI3E "A#GINS
S+BD+$TION =ONES:
OBD+$TION =ONES
T#ANSD+$TION =ONES
Soron6 ,ault>one
PASSI3E "A#GINS
? Delta Basin ? $arbonate Platefor%
$O**ISION =ONES AND O#OGENI$ BE*TS
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A$TI3E "A#GINS
S+BD+$TION =ONES:
$ONTINENTA* IS*AND A#$ 4esternSu%atra Sunda Arc
Southern .a/a Sunda Arc O$EANI$8 IS*AND A#$
Nusaten66ara Sunda Arc
OBD+$TION =ONES
Banda Arc:Australian continent bein6 subductedunder Banda Sea oceanic crust
T#ANSD+$TION =ONES: Soron6 ,ault>one
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PASSI3E "A#GINS
NO#T4EST BO#NEO PASSI3E"A#GIN
East Natuna basinal area Bara% Delta EASTE#N 0A*I"ANTAN PASSI3E
"A#GINS
"I$#O$ONTINENT PASSI3E"A#GINS
Southwest Sulawesi Basinal area
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$O**ISION =ONES AND
O#OGENI$ BE*TS0uchin6 =one
"eratus "ts Belt
$entral Sulawesi $ollision Belt
$entral Irian .a2a "t #an6e
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P*ATE TE$TONI$S
S+BDI3ISION O, INDONESIA
West Indonesia with Sunda Platfor% actin6
as a continental core
Central Indonesia consisin6 of fra6%ented%icrocontinents represented b2 Sulawesi
and the Banda Arc
East Indonesia with the Arafura Platfro%actin6 as continental core
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4ESTE#N INDONESIA "A.O#
TE$TONI$ E*E"ENTS:
STAB*E SE*,
*and%ass with no tectonic acti/it2 within
Tertiar2 Ti%es
"OBI*E BE*T
Acti/e "ar6ins Passi/e "ar6ins Oro6enicBelts
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Tectonic ,ra%ewor of Indonesia
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INDONESIA
SEDI"ENT TI$0NESS
DIST#IB+TION
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Western Indonesia
Active Margin
: To the west and south the Sundaland is
bordered b2 an acti/e %ar6in< consistin6 of
an island arc s2ste% with fore arc interarcand bac-arc basins as the result of a
con/er6ence with the Indian oceanic plate
in which the oceanic plate under the
continetal plate is subducted under the
continental crust
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Western Indonesia
Passive Margin:
The east Sundaland %ar6in riftin6 brea-up and sea-floor spreadin6 of the "aassar Strait and thefor%ation of9
Auloco6ene basins followed b2 deltaic deposition of the"ahaan Delta and Taraan Delta9
Paternoster $arbonate Platfor%9
The northwest Sundaland %ar6in< as the result ofriftin6 and openin6 of the South $hina Seas and
associated riftin6 in the Gulf of Thailand and western Natuna basin9 #iftin6 of the South $hina sea resultedinto a collision in Northwest Borneo9
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Fragmented microcontinents
et!een Oceanic asins$onsistin6 of assorted %icrocontinents
%ainl2 broen off fro% the Australian
$ontinent but so%e belon6 to the Asian$ontinent : southwestern Sulawesi
Sulawesi Island
Ban66ai-Sula Islands 4est Nusa-ten66ara Island Arc
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Tectonic ,ra%ewor of Indonesia
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$entral Indonesia: an assort%ent or
con6lo%eration of contental fra6%ents
oceanic basins and oceanic trou6hs1 Sulawesi Island: an con6lo%eration of Australian
and Asian continental fra6%ents and island arc
1 Sula-Ban66ai Island
1 al%ahera Island-arc
1 *esser Sunda Islands and island-arc as the eastern
continuation of the Sunda island arc
1 Oceanic Basins of ,lores sea Banda sea and$elebes sea
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Eastern Indonesia
"a@or Tectonic Ele%ents Arafura Shelf: Stable Shelf
Banda Island Arc: Passi/e to Acti/e "ar6in
7Subduction5Obduction8 .a2a 4i@a2a $entral #an6e: Oro6enic
"ountain #an6e
Soron6 ,ault =one: Acti/e wrench fault7transduction8
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E/olution ofa Bac-arc
Basin "odel
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E/olution of a Bac-arc Basin
"odel
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E/olution of a Bac-arc Basin
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E/olution of a Bac-arc Basin
"odel
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E/olution of a Bac-arc Basin
"odel
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E/olution of
the #ift-
Drift-
$ollision
"odel
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E/olution of the #ift-Drift-
$ollision "odel
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E/olution of the #ift-Drift-
$ollision "odel
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E/olution of the #ift-Drift-$ollision
"odel
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E/olution of the #ift-Drift-
$ollision "odel
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E/olution of the #ift-Drift-$ollision
"odel
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E/olution of
the #ift-Drift-
$ollision
"odel
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Plate-tectonics Basin $lassification
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Intrusion Tectonics in SE Asia7Tapponier et al C'8
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