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7/25/2019 AGS Wrench
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WRENCH
Vs
COMPRESSIONAL
STRUCTURES
diSOUTHEAST ASIA
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Wrench dan compressional dapat teradi !
"# $alam%asementdan co&er sedimen '%asement in&ol&ed(
)# Han*a pada co&er sedimen 'detached(
Str+,t+r -rench+m+mn*a meli%at,an %asement.sedan/,an detached -rench han*a teradi pada ,as+s *an/
sedi,it. contohn*a tear 0a+lt pada detached thr+st10old %elts
dan di Asia Ten//ara tida, +m+m terdapat
Str+,t+r compressionalsan/at +m+m terdapat %ai, pada
%asement in&ol&ed dan detached
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$i Asia Ten//ara str+,t+r compressional pd %asement teradi pada%ac,arc dan str+,t+r compressional di lin/,+n/an detached teradi
pada 0orearc land-ard settin/
Unt+, mem%eda,an str+,t+r -rench dan compressional di AsiaTen//ara diperl+,an %e%erapa ,riteria +nt+, men/enalin*a
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BASEMENT INVOLVED DETACHED
WRENCH COMPRESSIONAL
COMPRESSIONAL
DominantTransportExpression
Strike Slip (sideby side,!"#er$e"t,di#er$e"t% !&s'bre$i!")l t!re$i!")l pl)tes)l!"$ *!re !rless #erti)lb!'"d)ries%
Hi$+ t! l! )"$le!"#er$e"t dipslip !& bl!ks
S'b+!ri-!"t)l t!+i$+ )"$le!"#er$e"t dipslip !&sedi*e"t)ry!#er i" s+eets
Displace-mentsense
I"!"siste"t C!"siste"t C!"siste"t
Pen/enalan Str+,t+r WRENCH dan COMPRESSIONAL
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BASEBENT INVOLVED DETACHED
WRENCH COMPRESSIONA
L
COMPRESSIONA
LTrends E" e+el!"
)rr)y !& &!ld,sy"t+eti,)"tit+eti )"dP s+e)rs,"!r*)l &)'lt
Rel)y Rel)y
Fold form(whenpresent)
Sy*etri )"d&!ld ).is!bli/'e t!)ss!i)te &)'lt
Asy*etri )"d&!ld ).is p)r)llelt! )ss!i)te &)'lt
Asy*etri )"d &!ld).is p)r)llel t!)ss!i)te &)'lt
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Lipatan) as*metri
paralel terhadap asosiasi
sesarn*a dia,i%at,an
oleh ,ompressi
Str+,t+r %er+m+r Pliosen dan
Pleistosen. meli%at,an %at+an
%er+m+r Oli/osen sampai
Pliosen
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Ce%a,an min*a,
terdapat pada anti,lin
d/n sa*ap landai *an/
di%atasi oleh lon/it+dinal
0a+lt *an/ %er+%ah
menadi sesar nai,
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P+n/+t dan Tand+n Oil 2ield
SUMATRA
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Str+,t+r NNW1SSE me1
momoton/ sedimenPaleo/en 3 Pliosen. a,ti
selama Miosen A-al 3
Ten/ah dan rea,ti0asi
selama Plio1Pliestosen
4ont+r Str+,t+r pada top Sihapas
Lapan/an P+n/+t dan Tand+n
Indi,asi Wrenchin/ !
In,onsistensi %ai, pada arahsesar dan per/era,an sesar
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