6. Tectonic Kwarter & Migrasi

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QUTERNARY TECTONIC,SEA LEVEL CHANGES

IN INDONESIA

Yahdi Zaim



BAGAIMANAKAH TERBENTUKNYABAGAIMANAKAH TERBENTUKNYA

JALUR MIGRASI ?JALUR MIGRASI ?

1. Pengaruh Perubahan Klia!"l"gi ?

Perubahan u#a lau! ?

$. Te#!"ni# ?

%. &leh 1 'an $ ?



SE A(ia Eu(!a!i) (ea le*el

)hange

• Sunda platform has stable tectonic activity. – the lowest Quaternary sea level at +$ , - bel"/ today in

some place (Tjia, 1!"#

–the hi$hest at 0 ab"*e today sea level in Sin$apore(%al&er, 1'#

)n the Quaternary period, position of the Sea *evel + 2 - bel"/ today to 0 ab"*e today

• ase on the data from Sumatra rivers (-usi ,atan$hari#, alimantan (apuas river# and /itarumriver in west 0awa, shown some terraces at the level+ 3 21 3 21% 321+ 3 2$ 3 2$$ 3 2% 3 2%%3 2%4 3 25 3 2 3 21 3 24 3 240 3 2+$

an' , - (Tjia, 1!"#



• )n 6e(! 7"a(! Mala8 Penin(ula durin$

Quaternary sea level hi$her 4 than today(2oo et al, 133# and in the Ea(! 7"a(! 1

above the today sea level.

• 4ehanusa et al, 13' studied the 7ianu#

9el!a, found the Quaternary sea level 1

above today and 5llen et.al, 133 studied the

Maha#a 9el!a, found at above today

sea level



Tjia et.al, 1!"6 shown the rest of the

Quaternary sea level in some places on the

Sunda land at elevation : 4 3 : ;-21< 3 :1$

3 :1+ 3 :$ 3 :;%2%$< 3 : ;%52%4< 3 :

ab"*e today sea level.

iswas, 13"+ South china sea found 7 8 sea

level drops, the last sea level drop at 11.999

years a$o



U=li>! an' Sub(i'en)e Ra!e in SE

A(ia

In!er=re!a!i"n ba(e "n Ra!e "> U=li>! "rSub(i'en)e8ear

Tectonic stabile :e$ion

Tectonic 5ctive :e$ion (%est)ndonesia#

Tectonic 5ctive :e$ion (;ast)ndonesia#

<leistocene : .$ , .4 durin$

<leistocene

: .$ , 1 and

9.' 1mm, durin$ <leistocene

:. 2 :$ and

1 =mm durin$ <leistocene



Pengang#a!an 'i Pulau Ti"r

TERAS MARIN KETINGGIAN ; '=l.<

1. Tera( 1

$. Tera( $

%. Tera( %

5. Tera( 5

. Tera(

4. Tera( 4

0. Tera( 0

+. Tera( +-. Tera( -

1. Tera( 1

11. Tera( 11

1$. Tera( 1$

1%. Tera( 1%

15. Tera( 15

1. Tera( 114. Tera( 14

10. Tera( 10

1+. Tera( 1+

1$-0

1$

0

01

0

4-

40

4$0

5

%-5

%-

%

%-$

1



(Abdullah,1993



(Abdullah,1993)



There are 4 !erra)e( a! Laun'i Ba8 , Suba

(4antoro et al , 1!a,b#+

Terrace >) + ? 1.999.999 year

Terrace > + @ Terrace )> + ? 99.999 year

Terrace ))) + ? ""9.999 year

Terrace )) + ? ==9.999 year Terrace ) + ? !9.999 – 179.999 year

(5$e Aetermination base on $%.ThB$%5C and ;S:#

Ra!e "> u=li>! + .5- 8ear

There are 4 !erra)e( A! Kab"la Ba8 Al"r I(lan' (4antoro et al , 1"#+ base on the terraces elevation,

the ra!e "> u=li>! in avera$e 1 , 1.$ 8ear



Seismic profile Sumba – Savu Island



Seismic profile of Sumba island



VERTEBRATA KUARTER



VERTEBRATA KUARTER

DI INDONESIA TIMUR

@auna Ste$odon (Stegodon timorensis S5:TDED, Stegodon

sumbaensis S5:TDED, Stegodon florensis S5:TDED,

Stegodon sompoensis 4D)0;: #,

Feocelone,

/rocodilidae,

/ervidae,

Suidae

Pen8ebaran

Sulawesi, 2lores (? hominid+ Homo florensis

-4olosen#, Sumbawa, Sumba, dan Timor



B&RNE&

MALAYSIA

A S I A

S&UTH 7HINASEA

PA7I@I7 &7EAN

Migra!i"n R"u!e(

9uring La!e Plei(!")ene;M"'i>ie' a>!er Sar!"n"31-+0<

IN9IAN &7EAN

AUSTRALIA

SUMATRA

JAA

JAA SEA

ARA@URA SEA

SULA6ESI

6ALLA7ECS LINE

LY9EKKERCS LINE

TIM&RSUMBA6A

SUMBA

Sera

Halahera

Kiberle8

Gul> "> J"(e=hB"na=ar!e

@L&RES

PAPUA

PHILIPPINES

6ALLA7EA

N

4ominid

>ertebrate

5rti fact

?

?

?

? ?

?

?

?

HUDLEYCS LINE



TERIMA KASIH

6. Tectonic Kwarter & Migrasi

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