Sains Malaysiana 48(11)(2019): 2583–2593

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

 

Received: 16 April 2019/Accepted: 15 August 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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*Corresponding author; email: norasiahs@ukm.edu.my

 

 

 

 

 

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