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http://dx.doi.org/10.17576/jsm-2019-4811-28
The Present-day
Landscape of Bukit Keluang Formation: Geoheritage Potential for Conservation
and Geotourism
(Keadaan Semasa
Landskap Formasi Bukit Keluang: Potensi Geowarisan untuk Pemuliharaan dan
Geopelancongan)
MUHAMMAD ASHAHADI DZULKAFLI, NORASIAH SULAIMAN*, AZRIN AZMI, KAMAL ROSLAN MOHAMED
& CHE AZIZ ALI
Program
Geologi, Pusat Sains Bumi dan Alam Sekitar, Fakulti Sains dan Teknologi, Universiti
Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia
Diserahkan:
16 April 2019/Diterima: 15 Ogos 2019
ABSTRACT
The
Late Permian sedimentary rock of Bukit Keluang Formation is well exposed on
three isolated hills namely the Bukit Keluang, Bukit Bubus and Bukit Dendong.
The consecutive hills exhibit a unique landscape of linear ridge surrounded by
the alluvial plains and are well known for their beautiful sandy beaches and
outstanding landscapes. Geological landscape in the area falls into three heritage
value set (scientific, aesthetic and recreational value) that in need of
immediate conservation. Scientific evidence shows that the study area exhibits
a unique lithologically and structurally controlled landscape characterised by
first order topography of folded and thrusted sequence (anticlinal hill),
linear cuesta ridge and denudation hill. Differential erosion of the
conglomerate-sand-shale sequences led to the development of linear ridge with
different elevation profiles. The geometric and geographic position of the
hills conforms with the regional structural trend in the area with the N-S
trending fault system is inferred as the major fault that displaced the Bukit
Keluang Formation. Internal complexities in the individual structures in the
form of cross-faults, oblique-faults and lineaments trending NW-SE, NE-SW to N-S directions have formed cave morphological feature and
divide the hills into separate blocks. The geological landscape also
contributes to an aesthetic value such as the beautiful hilly landscape and
sandy beach, while recreational values including hiking, mountain biking and
water activities. Geological heritage and geotourism could have a positive
future in Bukit Keluang, Bukit Bubus and Bukit Dendong. The in-situ and ex-situ geological conservation is urgently
needed in order to support the efforts to implement geoscience knowledge to the
public.
Keywords: Bukit Keluang
Formation; geological conservation; geological landscape; geotourism
ABSTRAK
Batu sedimen Formasi Bukit
Keluang berusia Perm akhir tersingkap dengan baik di tiga bukit
terpencil iaitu Bukit Keluang, Bukit Bubus dan Bukit Dendong. Bukit-bukit
tersebut mempamerkan landskap unik permatang linear yang dikelilingi
oleh dataran aluvial dan terkenal dengan pantai berpasir yang indah
dan landskap yang luar biasa. Landskap geologi di kawasan ini dibahagikan
ke dalam tiga set nilai warisan (nilai saintifik, estetik dan rekreasi)
yang memerlukan pemuliharaan segera. Bukti saintifik menunjukkan
bahawa kawasan kajian memperlihatkan landskap dikawal unik oleh
litologi dan struktur yang dicirikan oleh topografi yang terbentuk
oleh jujukan yang terlipat dan tersesar (bukit antiklin), permatang
kuesta linear dan bukit gondol. Hakisan yang berbeza pada jujukan
konglomerat-pasir-syal menyebabkan pembentukan permatang linear
dengan profil ketinggian yang berbeza. Kedudukan geometri dan geografi
bukit sesuai dengan tren struktur serantau di kawasan kajian dengan
sistem sesar berarah N-S disimpulkan sebagai sesar utama yang menganjak
Formasi Bukit Keluang. Kerencaman struktur individu dalam bentuk
sesar silang, sesar serong dan lineamen berarah NW-SE, NE-SW dan
N-S telah membentuk morfologi gua dan membahagikan bukit-bukit tersebut
kepada blok berasingan. Landskap geologi ini juga menyumbang kepada
nilai estetik seperti landskap perbukitan yang indah dan pantai
berpasir, manakala nilai rekreasi termasuklah aktiviti mendaki,
berbasikal rentas bukit dan aktiviti air seperti berkelah. Warisan
geologi dan geopelancongan di Bukit Keluang, Bukit Bubus dan Bukit
Dendong mempunyai masa depan yang cerah. Pemuliharaan geologi secara
in-situ dan ex-situ sangatlah diperlukan bagi menyokong
usaha mengetengahkan ilmu geologi kepada masyarakat.
Kata kunci: Formasi Bukit Keluang; geopelancongan; landskap geologi;
pemuliharaan geologi
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untuk surat-menyurat; email: norasiahs@ukm.edu.my
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