Well preserved outcrops of the Late Miocene Early Pliocene
turbidites Halang formation exposed around Cibalung area in Central Java. A
continuous exposure of the Halang Formation found along Cimindi and Cikawung
River are considered highly representative for detailed facies studies
(Irawan).
However, it has not been extensively studied, until now.This
study focuses on the sedimentation structure, vertical
and lateral sedimentary facies association to determine the depositional
environment of the Halang formation.
The study area lies on the Bogor Zone which is defined as a
30 km-long anticlinorium stretching in east-west trend. Anticlinorium
stretching from West to East. Based on the works from Kastowo and Suwarna, the
oldest rock formation that discovered on the western side of North Serayu Range
is the Pemali formation.
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