A NEW PERSPECTIVE OF JAVA CENOZOIC VOLCANIC ARCS

S. Bronto, . and Ev. Budiadi, . and Hill Gendoet Hartono, . (2006) A NEW PERSPECTIVE OF JAVA CENOZOIC VOLCANIC ARCS. STTNAS, itny.ac.id.

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Abstract

SUMMARY
Martodjojo (1984; 2003) reported that a magmatic
arc of Cretaceous to Early Eocene in age was
located in the north of Jakarta and in Java Sea,
whereas during Early Miocene the arc was shifted
to the south of Java Island. These differ to the
further workers (Soeria-Atmadja et al., 1994) who
interpreted that there are two Tertiary magmatic
arcs in Java, i.e. Late Eocene to Early Miocene and
Late Miocene to Pliocene magmatic belts in Java.
The first magmatic belt is related to Paleogene
subduction located along the southern part of Java,
whereas the other one located north of it, is related
to Neogene subduction. The Quaternary volcanic
cones in general are distributed within the Neogene
magmatic belt. Reevaluation to the geologeological
data and some new radiometric ones has given a
new perspective to Java Cenozoic volcanic arcs.
These data suggest that volcanic arcs of Paleogene,
Neogene and Quaternary were superimposed, and
among of them intra-arc basins have developed.
This new idea may have implications to the
exploration strategy of energy and mineral in the
area.
Key words: Java, volcanic arcs, Cenozoic, super
imposed volcanisms, intra-arc basins

Item Type:	Other
Uncontrolled Keywords:	Key words: Java, volcanic arcs, Cenozoic, super imposed volcanisms, intra-arc basins
Subjects:	Q Science > QE Geology
Depositing User:	Dwi Asih Widawati
Date Deposited:	11 Dec 2020 09:09
Last Modified:	11 Dec 2020 09:09
URI:	https://repository.itny.ac.id/id/eprint/2571

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