THE GEOLOGIC IMPORTANCE OF WEST PROGO MOUNTAIN IN THE REFERENCE TO THE NEWLY ESTABLISHED INTERNATIONAL AIRPORT IN WATES, SPECIAL PROVINCE OF YOGYAKARTA, INDONESIA

Hill Gendoet Hartono, . and Hita Pandita, . and Ev. Budiadi, . and Adjat Sudradjat, . (2019) THE GEOLOGIC IMPORTANCE OF WEST PROGO MOUNTAIN IN THE REFERENCE TO THE NEWLY ESTABLISHED INTERNATIONAL AIRPORT IN WATES, SPECIAL PROVINCE OF YOGYAKARTA, INDONESIA. In: JOINT CONVENTION YOGYAKARTA 2019, HAGI – IAGI – IAFMI- IATMI (JCY 2019) TBA, 25-28 November 2019, Tentrem Hotel.

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Abstract

Abstract
West Progo Mountain becomes hinterland to
the newly developed area as the impact of
the establishment of the New International
Airport of Yogyakarta. The eastern foot of the
mountain is built up by an undulated
topography of Sentolo Formation which is
underlain by the Quaternary Merapi volcanic
deposits forming a large fan. The newly
established airport is located in the distal
facies at the toe of Merapi fan in the
transition to the coastal alluvial deposit in
Temon area, Wates. The undulated
topography of Sentolo Formation located NW
of the airport is an ideal area for urban
development. This area covers a distance of
about 20 kilometers from the airport to the
foot of West Progo Mountain. The The gentle
slope of the undulated topography is suitable
for the runoff management avoiding the
possibility of flash flood. Furthermore, the
slope is relatively stable avoiding the
possibility of landslides.
Water potentials are readily available in
Jonggrangan Formation located at the top of
West Progo Mountain (Listyani, 2019). The
water resources drain all over the year. The
karst topography of Jonggrangan Formation
provides space for underground reservoir.
Water for industrial porpose might be
available from Progo River. In addition some
springs are found in the lithologic contact
between Old Andesit Formation of West
Progo and the younger deposits.
Underground water might be found at the
alternating layers between limestone and
marly sandstone.
Sentolo limestone consisting of hard coral
reef and stratified limestone readily provides
strong foundation for the development of
infrastructure.
The thickness of the rock is about 950
meters (Rahardjo, 1995 in Pambudi, 2019).
The limestone might also potentials for
building materials and cement. In places the
limestone quarries are dug by the locals.
Keywords: New International Yogyakarta
Airport, hinterland, umdulated topography,
water resources, building materials

Item Type:	Conference or Workshop Item (Paper)
Uncontrolled Keywords:	New International Yogyakarta Airport, hinterland, umdulated topography, water resources, building materials
Subjects:	Q Science > QE Geology
Depositing User:	suma SR romdani
Date Deposited:	11 Dec 2020 13:51
Last Modified:	11 Dec 2020 13:51
URI:	https://repository.itny.ac.id/id/eprint/2577

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