satyana et al_eocene coal seams of barito and sources for oil_bs17_2001.pdf

8/17/2019 satyana et al_eocene coal seams of barito and sources for oil_bs17_2001.pdf

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BERITA SEDIMENTOLOGI No. 17 III/2001

Eocene Coals of the Barito Basin, Southeast Kalimantan :

Sequence Stratigraphic Framework and Potential for Sources of Oil

wang !" Sat#ana 1)

$argaretha Eka $"P" 2)

$oh" %mron 3)

1) Exploration !rta"ina MS# 2) In$tit%t! T!&'nolo( o* Ban+%n(3) Exploration !rta"ina ,p$tr!a"

Abstract

Si(ni*i&ant &oal $!a"$ int!r&alat! t'! "i++l! Eo&!n! $ili&i&la$ti& $!ri!$ o* t'! Lo-!r Tan%n(

or"ation o* t'! Barito Ba$in# So%t'!a$t ali"antan. T'! *or"ation &an ! i+!nti*i!+ a$&o"po$!+ o* t'! $!!n $!%!n&!$ r!pr!$!ntin( $nri*t an+ po$tri*t $!+i"!nt$. T'! &oal$ o&&%r

in t'! t'r!! $!%!n&!$ o* t'! po$tri*t p'a$! -it' t'! "o$t r!(ional an+ t'! t'i&4!$t &oal $!a"$

+i$tri%t! in t'! tran$ition !t-!!n t'! $nri*t an+ po$tri*t p'a$!$. T'! &oal$ -!r! +!po$it!+

-it'in t'! !niron"!nt$ *ro" parali& to %pp!r +!ltai& $!ttin($ in ario%$ $$t!"$ tra&t$

in&l%+in( t'! lat! lo-$tan+ to !arl tran$(r!$$i!# lat! tran$(r!$$i! to !arl 'i('$tan+# an+

!arl 'i('$tan+ to "i++l! 'i('$tan+.

G!o&'!"i&al &on$traint$ ar! !xa"in!+ to $!! t'! po$$iilit o* t'! &oal$ a$ $o%r&!$ *or oil. T'!

&oal$ 'a! !x&!ll!nt total or(ani& &aron 5TO6) o* 8 73 9# !r (oo+ '+ro(!n in+!x 5:I)

*ro" 2;< 8


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In p!trol!%" point o* i!-# to -'i&' t'i$ pap!r -ill &ontri%t!# &oal 'a$ !!n %n+!r$too+ a$

i"portant $o%r&! ro&4$ o* li%i+ an+ (a$!o%$ '+ro&aron$ 5T'o"p$on et al., 1>;;=) &ontri%tin(

$%$tantial oil an+ (a$ trapp!+ in (iant to $%p!r(iant *i!l+$ o* t'! Ma'a4a" D!lta.

T'i$ pap!r -ill !xa"in! t'! Eo&!n! &oal$ o* t'! Barito Ba$in# on&! *or"!+ a &o%nt!rpart tot'! %t!i Ba$in 5Satana et al .# 1>>>). S!+i"!ntolo(i& an+ $trati(rap'i& !al%ation $%pport$

po$iti! r!$%lt$ on t'! +i$tri%tion an+ (!o"!tr o* t'! &oal$. G!o&'!"i&al anal$!$ !!n

$'o- t'at t'! Barito &oal$ ar! ri&'!r in %alit t'an t'o$! o* t'! Mio&!n! &oal$ o* t'! %t!i

Ba$in a$ $o%r&!$ o* li%i+ '+ro&aron. A&&or+in(l# t'i$ pap!r a++r!$$!$ t-o "ain point$

51) to !al%at! t'! +i$tri%tion an+ (!o"!tr o* t'! Eo&!n! Barito &oal$ -it'in a $!%!n&!C

$trati(rap'i& *ra"!-or4 an+ 52) to !al%at! t'! (!o&'!"i$tr o* t'! &oal$ a$ $o%r&!$ *or oil.

Geologic Setting and Petroleum System

T'! Eo&!n! &oal$ o* t'! Barito Ba$in int!r&alat! t'! $ili&i&la$ti& $!ri!$ o* t'! "i++l! Eo&!n!

Lo-!r Tan%n( or"ation. T'! (!olo(i& $!ttin( o* t'! a$in +%rin( t'! al!o(!n! i$ i"portantto t'! o&&%rr!n&! an+ +i$tri%tion o* t'! &oal$# an+ t'! N!o(!n! to l!i$to&!n! $!ttin( i$

i"portant to t'! pr!$!ration o* t'! (!o"!tr o* t'! &oal$ an+ t'!ir &apailiti!$ to (!n!rat!

an+ !xp!l '+ro&aron$.

T'! Barito Ba$in i$ $it%at!+ alon( t'! $o%t'!a$t!rn "ar(in o* t'! S&'-an!r 6or! in

$o%t'!a$t!rn part o* ali"antan 5 Figure 1). T'! a$in i$ +!*in!+ t'! M!rat%$ Mo%ntain$ to

t'! !a$t an+ $!parat!+ *ro" t'! %t!i Ba$in to t'! nort' a *l!x%r! o* t'! A+an( a%lt. T'!

a$in 'a$ a narro- op!nin( to t'! $o%t' to-ar+$ t'! aa S!a. T'! a$in 'a$ a &on*i(%ration

o* an a$""!tri& (!o"!tr -it' a *or!+!!p in t'! !a$t!rn part o* t'! a$in an+ a plat*or" at

t'! -!$t!rn part approa&'in( t'! S&'-an!r 6or!.

T'! Barito Ba$in &o""!n&!+ it$ +!!lop"!nt in t'! Lat! 6r!ta&!o%$ 8 al!o/Eo&!n!

*ollo-in( a "i&roC&ontin!ntal &olli$ion !t-!!n t'! S&'-an!r 6or! an+ t'! at!rno$t!r "i&roC

&ontin!nt 5Satana et al .# 1>>>). al!o(!n! !xt!n$ional +!*or"ation o&&%rr!+ a$ t!&toni&

&on$!%!n&! o* t'! oli%! &on!r(!n&!. T'i$ pro+%&!+ a $!ri!$ o* NCSE tr!n+in( ri*t$.

T'! ri*t$ !&a"! a&&o""o+ation $pa&!$ *or $nri*t +!po$it$ o* all%ial *an an+ la&%$trin!

$!+i"!nt$ o* t'! "i++l! Eo&!n! Lo-!r Tan%n( or"ation. A$ tran$(r!$$ion pro&!!+!+# t'!

ri*t$ $%"!r(!+ an+ r!$%lt!+ in po$tri*t +!po$it$ o* -i+!$pr!a+ "arin! $'al!$ o* t'! ,pp!r

Tan%n( or"ation. T'! i"portant Eo&!n! &oal$ -!r! +!po$it!+ at t'! tran$ition *ro" t'!

$nri*t p'a$! to t'! po$tri*t p'a$!. T'inn!r &oal$ -!r! +!po$it!+ +%rin( t'! lat!r +!!lop"!nt

o* po$tri*t p'a$!.

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D%rin( t'! Oli(o&!n! to !arl Mio&!n!# t'! Barito Ba$in -a$ in lat!r $a((in( p'a$! *ollo-in(

a lit'o$p'!ri& t'!r"al &oolin(. T'! a$in r!(ionall $%$i+!+ an+ $!a tran$(r!$$!+ t'! -'ol!

a$in r!$%ltin( in -i+!$pr!a+ plat*or" &aronat! o* t'! B!rai or"ation. D%rin( t'! lat!r

Mio&!n! ti"!$# t'! $!a r!(r!$$!+ +%! to t'! %pli*t o* t'! S&'-an!r 6or! an+ t'! M!rat%$

Mo%ntain$. Ea$t-ar+$Cpro(ra+in( +!ltai& $!+i"!nt$ o* t'! ar%4in or"ation -!r!

!$tali$'!+. T'! ri$in( M!rat%$ Mo%ntain$ &ontri%t!+ t'! $!+i"!nt$ into t'! *or!+!!p ar!a.T'! %pli*t o* t'! M!rat%$ Mo%ntain$ &ontin%!+ into t'! l!i$to&!n! an+ r!$%lt!+ in "ola$$i&C

+!ltai& $!+i"!nt$ o* t'! lio&!n! Da'or or"ation.

T'! $tr%&t%ral +!!lop"!nt o* t'! Barito Ba$in i$ a &on$!%!n&! o* t'! t-o +i$tin&t# $!parat!#

r!(i"!$ 5Satana et al .# 1>>>). ir$tl# an initial tran$t!n$ional r!(i"! +%rin( -'i&' $ini$tral

$'!ar r!$%lt!+ in t'! *or"ation o* a $!ri!$ o* NCSE tr!n+in( -r!n&'Cr!lat!+ ri*t$# an+

$!&on+l# a $%$!%!nt tran$pr!$$ional r!(i"! inolin( &on!r(!nt %pli*t 'a$ r!a&tiat!+ an+

in!rt!+ ol+ t!n$il! $tr%&t%r!$ r!$%lt!+ in -r!n&'in(# *a%ltin( an+ *ol+in(. r!$!ntl# t'!

$tr%&t%ral (rain o* t'! a$in i$ &'ara&t!ri!+ t'! &on&!ntration o* $tr%&t%r!$ in t'!

nort'/nort'!a$t!rn part o* t'! a$in tpi*i!+ t'! ti('t# parall!l SSCNNE tr!n+in( *ol+$ o%n+!+ 'i('Can(l! !a$t!rlC+ippin( i"ri&at! r!!r$! *a%lt$ to-ar+$ t'! M!rat%$

Mo%ntain$ an+ inol!+ t'! a$!"!nt.

In t'! Barito Ba$in# '+ro&aron$ ar! trapp!+ in *i! *i!l+$ t'! Tan%n(# a"itin# So%t'

ar%4in# 6!ntral ar%4in an+ Ea$t Tapian i!l+$. All o* t'! *i!l+$ o&&%rr!+ in *a%lt!+

anti&lin!$ +ippin( to t'! !a$t. T'! '+ro&aron$ ar! r!$!roir!+ in t'! Lo-!r Tan%n( $an+$

5"i++l! Eo&!n!) an+ in t'! Lo-!r an+ Mi++l! ar%4in $an+$ 5"i++l! Mio&!n!). T'! r!C

T!rtiar a$!"!nt ro&4$ an+ B!rai &aronat!$ al$o &an a&t a$ r!$!roir$ -'!r! t'! ar!

*ra&t%r!+. T'! '+ro&aron$ -!r! !xp!&t!+ to ! $o%r&!+ *ro" t'! Tan%n( &oal$ an+

&arona&!o%$ $'al!$# an+ *ro" t'! Lo-!r ar%4in &arona&!o%$ $'al!$. T'! "ain 4it&'!n i$

lo&at!+ in t'! *or!+!!p ar!a. G!n!ration# "i(ration an+ !ntrap"!nt o* t'! '+ro&aron$ 'a$ta4!n pla&! $in&! t'! "i++l! !arl Mio&!n! 520 Ma). T'! intraC*or"ational $'al!$ "ainl

proi+! t'! $!alin( ro&4$.

Eocene Coal Depositional Sequences

To !xa"in! t'! o&&%rr!n&!# +i$tri%tion# an+ (!o"!tr o* t'! Eo&!n! Barito &oal$# -! *ir$t

+i$&%$$ t'! Eo&!n! $!+i"!ntar $!ttin( o* t'! Barito Ba$in -'i&' -a$ pron! to &oal

o&&%rr!n&! an+ +!po$ition# -! t'!n *o&%$ on parali& $!ttin( 8 t'! "o$t i"portant &oalC*or"in(

ar!a$. ! !xa"in! t'! !**!&t$ o* r!lati! $!a l!!l on parali& $!ttin( an+ propo$! a "o+!l *or

t'! o&&%rr!n&! an+ +i$ri%tion o* t'! &oal$ -it'in +!po$itional $!%!n&!$. A $t%+ Bo'a&$an+ S%t!r 51>>7) on &oal $!%!n&! $trati(rap' i$ r!*!rr!+ a$ a$i$ o* &la$$i*in( &oal +!po$it$

a&&or+in( to t'!ir +!po$itional $!%!n&!$/ $$t!"$ tra&t$.

T'! o&&%rr!n&!# +i$tri%tion# an+ &'ara&t!r o* &oal$ ar $$t!"ati&all a$ a *%n&tion o* t'!

r!lati! rat!$ o* p!at pro+%&tion an+ a&&o""o+ation &'an(! +%! to r!lati! $!a an+ (ro%n+

-at!r l!!l$ 5Bo'a&$ an+ S%t!r# 1>>7). A&&o""o+ation &'an(!$ pr!+i&tal t'ro%('o%t a

+!po$itional $!%!n&!@ '!n&!# t'! +i$tri%tion o* &oal$ "a ! pr!+i&t!+ -it'in a $!%!n&!

$trati(rap'i& *ra"!-or4. T'! t'i&4!$t# "o$t i$olat!+ &oal$ o&&%r in %pp!r lo-$tan+ an+ a$al

tran$(r!$$i! $$t!"$ tra&t$@ t'! "o$t &ontin%o%$ &oal$ ar! *o%n+ in "i++l! lo-$tan+ an+

"i++l! 'i('$tan+ $$t!"$ tra&t$@ an+ "ini"al# !r i$olat!+ &oal$ ar! *o%n+ in a$al lo-$tan+#

"i++l! tran$(r!$$i!# an+ %pp!r 'i('$tan+ $$t!"$ tra&t$ 5 Figure 2, Table 1).

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T'! "i++l! Eo&!n! Lo-!r Tan%n( or"ation# into -'i&' t'! $t%+i!+ &oal$ int!r&alat!# 'a$

!!n $t%+i!+ 5!rta"ina an+ Tr!n+ En!r(# 1>;;@ :artanto !t al# 1>>3) to !al%at! t'!

r!"ainin( '+ro&aron pot!ntial o* t'! Tan%n( r!$!roir$. T'!$! $t%+i!$ 'a! !!n r!C

!xa"in!+ %$in( $!%!n&! $trati(rap'i& "!t'o+ &on&!ntratin( on int!r!++!+ &oal +!po$it$.

T'! Lo-!r Tan%n( or"ation r!pr!$!nt$ a (!n!ral tran$(r!$$i! $!%!n&! &ontainin( ri*tCin*ill all%ial *an an+ la&%$trin! $!+i"!nt$ o* r!lati!l &oar$! $ili&i&la$ti&$ 5&on(lo"!rat!#

p!l $an+$ton!) at t'! a$!# !&o"in( pro(r!$$i!l o!rlain lo- !n!r(# parali& to

"arin! $!+i"!nt$ o* t'inn!r !++!+ an+ *in!r (rain!+ $ili&i&la$ti&$ 5*in! (rain!+ $an+$ton!#

$ilt$ton! an+ $'al!). 6oal$ o&&%r r!(ionall in !arl po$tri*t p'a$! 5 Figure 3).

R!pr!$!ntati! $!%!n&! $trati(rap'i& &orr!lation $'o-in( t'! o&&%rr!n&!$ o* t'! &oal$ a"i+

t'! $ili&i&la$ti& $!ri!$ o* t'! Lo-!r Tan%n( or"ation i$ pr!$!nt!+ at Figure 4. T'! $t%+

$'o-$ t'at t'! Lo-!r Tan%n( or"ation i$ &o"po$!+ o* $!!n $!%!n&!$ 5S!%!n&! A 8

S!%!n&! G). T'! &on*i(%ration o* t'! al!o(!n! 'or$t$ an+ (ra!n$ -a$ r!*l!&t!+ in

topo(rap'i& 'i('$ an+ lo-$ -'i&' +!t!r"in!+ t'! &'ara&t!ri$ti&$ an+ t'i&4n!$$!$ o* t'! Lo-!rTan%n( or"ation $!+i"!nt$. T'! S!%!n&! A to S!%!n&! 6 ar! ri*tCin*ill 5$nri*t)

$!+i"!nt$# -'!r!a$ t'! S!%!n&! D to S!%!n&! G ar! po$tri*t $!+i"!nt$. 6oal +!po$it$

o&&%r in S!%!n&! D# S!%!n&! E# an+ S!%!n&! G.

T'! t'i&4!$t an+ t'! "o$t -i+!l +i$tri%t!+ Eo&!n! &oal o&&%r$ in t'! S!%!n&! D

r!pr!$!ntin( t'! *ir$t po$tri*t $!+i"!nt$ -'i&' -!r! not &ontroll!+ t'! pr!C!xi$tin( 'or$t

an+ (ra!n topo(rap'. T'!$! &oal $!a"$ *or" a +i$tin&t &oal $!&tion -'i&' i$ %$!*%l a$ a

-i+!$pr!a+ r!(ional &'rono$trati(rap'i& "ar4!r. G!o&'!"i&al anal$!$ in+i&at! t'at t'! &oal$

-!r! +!po$it!+ %n+!r anoxi& &on+ition$# *ro" -'i&' it i$ in*!rr!+ t'at t'!ir +!po$itional

$!ttin( -a$ in $ta(nant -at!r lo&at!+ in a lo-!r *loo+plain or int!r+i$tri%tar $!ttin(. T'!

&oal$ ar! tpi&all itr!o%$# nonCar(illa&!o%$# la&4 an+ *ra&t%r! into $plint!r $%C&on&'oi+al$'ar+$. T'! !xi$t!n&! o* $!atC!art'$ in $o"! pla&!$ in+i&at!$ t'at t'! &oal$ ar! a%to&'t'ono%$

5!rta"ina an+ Tr!n+ En!r(# 1>;;). T'! in+ii+%al &oal $!a" i$ 2.0 8 .0 "!t!r$ t'i&4

"a4in( a total &oal $ta&4 o* aro%n+ 1< "!t!r$ t'i&4. T'! &oal$ o&&%r -it'in t'! lat! lo-$tan+

to !arl tran$(r!$$i!# "i++l! tran$(r!$$i!# lat! tran$(r!$$i! to !arl 'i('$tan+ $$t!" tra&t$.

T'! para$!%!n&! $ta&4in( ar! $li('tl r!tro(ra+ational# pro(ra+ational# to $tron(l

a((ra+ational. T'! &oal$ -!r! +!po$it!+ a$ $!+i"!nt$ o* o!ran4 *lo- or *loo+plain

a((ra+ation at !niron"!nt$ o* $%pralittoral# +!ltai& plain# an+ int!r+i$tri%tar. R!(ionall#

t'! &oal$ ar! &ontin%o%$. A$ $tat!+ Bo'a&$ an+ S%t!r 51>>7)# -it'in a &o"po$it!

$!%!n&!# &oal$ t!n+ to ! !$t +!!lop!+ in $!%!n&! $!t$ -it' $ta&4in( t'at i$ a((ra+ational

to $li('tl r!tro(ra+ational. T'!$! ar! t'! $!%!n&! $!t$ -'!r!in t'! rat!$ o* a&&o""o+ationan+ p!at pro+%&tion alan&! *or t'! (r!at!$t a"o%nt o* ti"!.

T'inn!r an+ "or! i$olat!+ &oal$ o&&%r in t'! S!%!n&! E -it' t'i&4n!$$ o* 0.< 8 1.0 "!t!r.

T'! &oal $!a"$ "a4! a total &oal $ta&4 o* 2.0 "!t!r$ t'i&4 onl. T'! &oal$ -!r! +!po$it!+ a$

!arl# "i++l!# to lat! 'i('$tan+ $$t!"$ tra&t$ "a4in( t'!" a$ r!lati!l t'in an+ nonC

$i(ni*i&ant &oal$ -it'in lo-!r +!ltai& plain. T'! para$!%!n&! $ta&4in( o* t'! &oal$ ar!

(!n!rall r!tro(ra+ational. T'! &oal$ o&&%r -it'in +o"inatin( $'al! an+ $ilt$ o* t'! Lo-!r

Tan%n( or"ation.

T'! %pp!r"o$t &oal $!a"$ o* t'! Lo-!r Tan%n( or"ation o&&%r in t'! S!%!n&! G. T'!

&oal$ ar! al$o t'inn!r# $o"! ar! i$olat!+# an+ t'! t'i&4 $'al!$ an+ $ilt$ $!parat! !a&' &oal $!a".

T'! &oal$ ar! 0.< to 2.0 "!t!r$ t'i&4. T'! &oal$ o&&%r -it'in lat! lo-$tan+ to !arl


5/15

tran$(r!$$i!# lat! tran$(r!$$i!# an+ "i++l! 'i('$tan+ $$t!"$ tra&t$ +!po$it!+ at lo-!r

+!ltai& plain. T'! &oal$ o* lat! lo-$tan+ to !arl tran$(r!$$i! $$t!"$ tra&t ar! &ontin%o%$ an+

*or"in( r!(ional &oal "ar4!r o* FM1A. T'! M1A "ar4!r i$ !!r-'!r! r!&o(nial!.

S!%!n&! G $!+i"!nt$ "ar4 t'! &lo$%r! o* t'! Lo-!r Tan%n( or"ation tran$(r!$$ion#

r!pr!$!nt!+ inn!r to "i++l! n!riti& "%+$ an+ $ilt$. T'! $!+i"!nt$ -!r! +!po$it!+ in a lo-

!n!r( $%C-a! a$! !niron"!nt a$ r!&o(ni!+ *ro" t'!ir lat!ral an+ !rti&al 'o"o(!n!itan+ t'!ir %ni*or" t'i&4n!$$!$.

Eocene Barito Coals as Sources for Oil

T'! t'i&4!$t Eo&!n! &oal$ in t'! Barito Ba$in# -'i&' o&&%r in t'! S!%!n&! D# -!r! anal!+

%$in( -!ll an+ o%t&rop $a"pl!$. ! !xa"in! t'! or(ani& (!o&'!"i&al anal$!$ o* t'! &oal$

5ro&4 prol$i$# "at%ration# !l!"!ntal anal$i$# &aron i$otop!# (a$ &'ro"ato(rap'# (a$

&'ro"ato(rap' "a$$ $p!&tro"!tr). ! t'!n !xa"in! t'! (!o&'!"i$tr o* !xi$tin( oil in t'!

Barito Ba$in to $!! t'! !i+!n&! o* -'!t'!r t'! &oal$ 'a! $o%r&!+ t'! oil. 6%rr 51>;7) an+

!rta"ina an+ Tr!n+ En!r( 51>;;) proi+!+ (!o&'!"i&al anal$!$ o* t'! Barito Ba$in.T'i&4!$t &oal$ tpi&all &orr!$pon+ to !$t &on+ition$ *or or(ani& pr!$!ration# an+ &o""onl

'a! !n'an&!+ p!trol!%" $o%r&! pot!ntial 5Bo'a&$ an+ S%t!r# 1>>7).

T'! po$$iilit t'at &oal$ "a a&t a$ oil $o%r&! ro&4$ 'a$ !!n -i+!l +i$&%$$!+ 5Ro! an+

olito# 1>7>@ D%ran+ an+ O%+in# 1>7>@ T'o"a$# 1>;2@ D%ran+ an+ aratt!# 1>;3 in

T'o"p$on !t al.# 1>;>0 in :%nt# 1>>=). T'!

r!$%lt i$ t'at t'! i!l+ o* 'i('C-ax oil ro$! -it' an in&r!a$! in t'! '+ro(!n &ont!nt o* t'!

&oal. T'! '+ro(!n &ont!nt -a$ t'! onl *a&tor "!a$%r!+ t'at $'o-!+ a (oo+ &orr!lation -it'

t'! oil i!l+. T'! p!r&!nta(! o* !xinit! an+ r!$init! in &oal$ i$ plott!+ a(ain$t t'! :/65'+ro(!n/&aron) ato"i& ratio o* t'! &oal$# -'i&' i$ a ro%(' in+i&ator o* t'!ir '+ro&aronC

(!n!ratin( &apa&it. Or(ani& "att!r -it' an :/6 ratio lar(!r t'an ao%t 0.; +!*init!l 'a$

$o"! li%i+C(!n!ratin( ailit. 6oal$ -it' "or! t'an ao%t 10 8 1< 9 !xinit! pl%$ r!$init! ar!

&apal! o* (!n!ratin( oil. Or(ani& "att!r -it' '+ro(!n in+!x 5:I) al%!$ ao! 200 i$

%$%all &on$i+!r!+ &apal! o* (!n!ratin( $o"! li%i+ '+ro&aron$. T'!r! i$ no +o%t t'at

'+ro(!nCri&' &oal an+ t!rr!$trial 4!ro(!n &an (!n!rat! !&ono"i& %antiti!$ o* li%i+

p!trol!%". T'i$ 'a$ !!n r!&o(ni!+ in t'! *i!l+$ an+ in t'! laorator !xp!ri"!nt$ 5:%nt#

1>>=).

l%ioC+!ltai& &oal$ an+ $'al! $o%r&! ro&4$ 'a! (!n!rat!+ lar(! ol%"!$ o* oil in In+on!$ia5Roin$on# 1>;7). 6oal$ %$%all &ontain 0.0 8 ;0.0 9 total or(ani& &aron 5T.O.6.) -it'

!r 'i(' prol$i$ i!l+$ o* 1


6/15

'+ro(!n 5'i('!r :/6 ratio) t'an t'! ot'!r &oal$ or 4!ro(!n$. :/6 ratio o* Tan%n( &oal$

ran(! *ro" 0.;7 8 1.1; an+ O/6 o* 0.0= 8 0.1= &a%$in( t'! &oal$ ar! -it'in 4!ro(!n tp! II in

an r!!l!n +ia(ra". T'! 'i(' al%!$ o* ot' :I an+ :/6 o* t'! &oal$ $'o- t'! pot!ntial to

(!n!rat! oil.

G!o&'!"i&al &orr!lation to $!! -'!t'!r t'! Eo&!n! &oal$ o* t'! Barito Ba$in 'a! $o%r&!+ t'!!xi$tin( oil i$ &on+%&t!+ %$in( &aron i$otop! +ata an+ io"ar4!r$ 5$at%rat! an+

prol$i$/a$p'alt!n! (a$ &'ro"ato(rap' 8 G6 an+ (a$ &'ro"ato(rap' "a$$ $p!&tro"!tr 8

G6MS) 5$!! Figure 5 an+ Table 2). Exi$tin( Tan%n( oil i$ tpi*i!+ &'ara&t!ri$ti& oil

$o%r&!+ *l%ioC+!ltai& &oal$ an+ &oal $'al!$. Oil *or"!+ *ro" &oal$ an+ &oal $'al!$ t!n+

to 'a! 'i(' ratio$ o* pri$tan! to p'tan! an+ o* $t!ran! to 'opan!# &o"par!+ -it' "arin!C

$o%r&!+ oil. T'! al$o 'a! r!lati!l 'i(' &on&!ntration$ o* 51) 6 21C63$t!ran!$@ 53) i&&li& $!$%it!rpan!$@ 5) tri&&li& +it!rpan!$@ an+ 51) an+ $t!ran! 5"/ 217) o* Tan%n( &oal $'o- $i"ilar patt!rn$ to t'o$! o* t'! Tan%n(oil

A&&or+in(l# a$!+ on t'! :I an+ :/6 ratio$# an+ po$iti! &orr!lation !t-!!n t'! Tan%n(

&oal$ an+ t'! Tan%n( oil# it &an ! &on&l%+!+ t'at t'! Eo&!n! Barito &oal$ 'a! $o%r&!+ $o"!

o* t'! Tan%n( oil. Mi&ro$&opi& anal$i$ o* t'! In+on!$ian &oal$ in+i&at!$ t'at t'! &ontain

+!$"o&ollinit! or t'! '+ro(!nCri&' itrinit!C2 56oo4 an+ Str%&4"!!r# 1>;=@ :%nt# 1>>=).

La!r$ o* liptiniti& "at!rial ar! int!r$p!r$!+ in itrinit! alon( -it' i"pr!(nation$ o* it%"!n

an+ ot'!r *l%or!$&!nt "at!rial$. T'! &oal$ -!r! !$ti"at!+ to &ontain 1< 8 =< 9 liptinit!.

Liptinit! &ont!nt$ ao! 1< 9 &an (!n!rat! an+ r!l!a$! -ax oil. A pro&!$$ o* liptinit!

!nri&'"!nt 5 T'o"p$on et al., 1>;


7/15

Conclusions

S!!ral &oal $!a"$ int!r&alat! t'! $ili&i&la$ti& $!ri!$ o* t'! "i++l! Eo&!n! Lo-!r Tan%n(

or"ation o* t'! Barito Ba$in -'i&' &an ! +ii+!+ into $!!n $!%!n&!$ in&l%+in( $nri*t an+

po$tri*t $!+i"!nt$. T'! &oal$ o&&%rr!+ in t'! t'r!! $!%!n&!$ o* t'! po$tri*t p'a$! +!po$it!+

-it'in parali& to %pp!r +!ltai& $!ttin(. T'! t'i&4!$t &oal $!a"$ 5&%"%lati! 1< "!t!r$ t'i&4)o&&%r in a tran$ition !t-!!n $nri*t an+ po$tri*t p'a$!$. T'! &oal$ -!r! +!po$it!+ in ario%$

$$t!"$ tra&t$ in&l%+in( t'! lat! lo-$tan+ to !arl tran$(r!$$i!# lat! tran$(r!$$i! to !arl

'i('$tan+# an+ !arl to "i++l! 'i('$tan+.

T'! Eo&!n! &oal$ o* t'! Barito Ba$in 'a! !x&!ll!nt total or(ani& &aron 5TO6) o* 8 73 9#

!r (oo+ '+ro(!n in+!x 52;< 8 >7# S!%!n&! $trati(rap'i& +i$tri%tion o* &oal ro&4$

*%n+a"!ntal &ontrol$ an+ parali& !xa"pl!$# American Association of Petroleum

Geologists Bulletin# . ;1# No. 10# p. 1=12C1=3>.

6oo4# A.6. an+ Str%&4"!!r# :.# 1>;=# T'! rol! o* &oal a$ $o%r&! ro&4 *or oil in Gl!ni!# R.6.

5!+.)# Proceedings Second Sout!"astern Australia #il "$%loration S&m%osium# p.

1>C32.

6%rr# D..# 1>;7# Geocemical "'aluation of te Barito Basin, #nsore (alimantan, )ndonesia# Do"!$ti& Exploration G!o&'!"i&al S!ri&!$# un%ublised.

Ean$# A.M.# 1>>7# An )ntroduction to "conomic Geolog& and )ts "n'ironmental )m%act #

Bla&4-!ll S&i!n&! Lt+.# Ox*or+.

:artanto# .# Silala'i# L..T.# an+ I"an'ar+o# D.N.# 1>>3# Studi Stratigrafi Formasi Tan*ung

+aera Tan*ung a&a -eungan Barito (alimantan Selatan, E4$plora$i ,nit

E4$plora$i +an ro+%4$i !rta"ina Da!ra' ali"antan# Bali4papan# un%ublised.

:%nt# .M. # 1>>=# Petroleum Geocemistr& and Geolog 2n+ !+ition# .:. r!!"an an+

6o.# N!- Jor4.

7


8/15

!rta"ina an+ Tr!n+ En!r( ali"antan# 1>;;# Te /&drocarbon Potential of te 0oer

Tan*ung Formation, Barito Basin, S.". (alimantan, )ndonesia# oint !rta"ina/Tr!n+

Barito Ba$in St%+ Gro%p# a4arta# un%ublised .

Roin$on# .M.# 1>;7# An o!ri!- o* $o%r&! ro&4$ an+ oil in In+on!$ia# Prceedings

)ndonesian Petroleum Association )PA# 1= Ann%. 6on.# p. >7C122.

Satana# A.:.# I"an'ar+o# D.N.# an+ S%ranto4o# 1>>># T!&toni& &ontrol$ on t'! '+ro&aron

'aitat$ o* t'! Barito# %t!i# an+ Tara4an a$in$# Ea$tr!n ali"antan# In+on!$ia

"aor +i$$i"ilariti!$ in a+oinin( a$in$# ournal of Asian "art Sciences 1 # p. >>C

122.

T'o"p$on# S.# Morl!# R..# Barnar+# .6.# an+ 6oop!r# B.S.# 1>;


9/15

Tal! 1 S!%!n&! $trati(rap'i& +i$tri%tion o* parali& &oal ro&4$ 5"o+i*i!+ a*t!r Bo'a&$ an+ S%t!r# 1>>7)

No

.

S$t!"$

Tra&t

ara$!%!n&!

Sta&4in(

6oa$tal lain

S!+i"!ntation

6oal Ro&4

T'i&4n!$$

6oal Ro&4

G!o"!tr

Or(ani&

r!$!ration

1 Lat!

'i('$tan+#

lo-$tan+ *an#

!arl

lo-$tan+

-!+(!

Stron(l

pro(ra+ational#

pa$$ an+

!ro$ional

tr%n&ation

A"al(a"at!+

&'ann!l$#

$%a!rial

!xpo$%r!

No $i(ni*i&ant

&oal$ 5K 0.< ")

R!$tri&t!+#

i$olat!+

Mini"al

2 Mi++l! to lat!

lo-$tan+-!+(!

Mo+!rat!l

a((ra+ational

all! *ill# lo-

to "o+!rat!o!ran4 *lo-

R!lati!l t'in

to "o+!rat!lt'i&4 51C3 ")

i+!$pr!a+#

&ontin%o%$5100$ o*

4"2)

Mo+!rat!l

(oo+

3 Lat!

lo-$tan+ to

!arl

tran$(r!$$i!

Stron(l

a((ra+ational to

"o+!rat!l

r!troC(ra+ational

r!%!nt

o!ran4 *lo-#

*loo+plain

a((ra+ation

T'i&4 to !r

t'i&4 5 3 ")

R!lati!l

$&att!r!+

Goo+ to

!x&!ll!nt

Mi++l!

tran$(r!$$i!

Stron(l r!troC

(ra+ational

r!%!nt

o!ran4 *lo-#

pon+in(# $o"!

!ro$ion

r!tr!atin(

$'or!*a&!

R!lati!l t'in

5K 1 ")

R!$tri&t!+#

$&att!r!+

Mo+!rat!

to poor#

pot!ntiall

'i(' $%l*%r

&ont!nt

< Lat!

tran$(r!$$i!

to !arl

'i('$tan+

Sli('tl r!troC

(ra+ational to

$tron(l

a((ra+ational

r!%!nt

o!ran4 *lo-#

*loo+plain

a((ra+ation

T'i&4 to !r

t'i&4 5 3 ")

R!lati!l

r!$tri&t!+#

r!lati!l

i$olat!+ to

i$olat!+ 5K

100 4"2)

Goo+ to

!x&!ll!nt

= Earl to

"i++l!

'i('$tan+

A((ra+ational Mo+!rat!

o!ran4 *lo-#

*loo+plain

a((ra+ation# $oil

*or"ation

R!lati!l t'in

to "o+!rat!l

t'i&4 51C3 ")

i+!$pr!a+#

&ontin%o%$

5100 4"2)

Mo+!rat!l

(oo+

>


10/15

Tal! 2 Oil to So%r&! 6orr!lation ara"!t!r$

Sa"pl! ri$tan! to

'tan!

Ol!anan! to

630 'opan!

62> $t!ran!

to 630'opan!

ax ratio

5n631/n61>)

6aron I$otop!

Ratio5H)

Tan%n( 6oal 10.


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satyana et al_eocene coal seams of barito and sources for oil_bs17_2001.pdf

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