Origin of the Late Paleozoic metamorphic rocks in East Johor, Peninsular Malaysia

Surjono, Sugeng Sapto; Leman, Shafeea

doi:10.22146/jag.6674

Cited by 2 publications

(6 citation statements)

References 14 publications

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“…Evolusi geologi Mersing boleh dibahagikan kepada beberapa fasa utama. Bukti lapangan berdasarkan singkapan batuan di sekitarnya menunjukkan evolusi bermula dengan fasa pemendapan sedimen di sekitaran laut dalam pada masa Karbon yang membentuk jujukan batuan Formasi Mersing (Cook & Suntharalingam, 1969;Foo, 1983;Hutchison, 1989;Suntharalingam, 1991;Bucher & Frey, 1994;Metcalfe, 1999;Metcalfe, 2000;Surjono & Leman, 2010). Pertembungan antara kepingan Malaya Timur dengan kepingan Sibumasu yang bermula semenjak akhir Karbon telah mengangkat dasar lautan menjadi daratan pertama pada masa Perm Awal.…”

Section: Warisan Geologi Mersingunclassified

“…Sejarah geologi Mersing bermula dengan proses pemendapan batuan tertua yang diwakili oleh batuan Formasi Mersing (Cook & Suntharalingam, 1969;Suntharalingam, 1991;Leman et al, 2003), membentuk batuan dan dimendapan di dalam sekitaran lautan yang berubah daripada turbidit laut dalam (Hutchison, 1989) di bahagian bawah hingga cetek (Foo, 1983) di bahagian atas (Surjono & Leman, 2010) membentuk lapisan bersaiz nipis sehingga sangat tebal (berlumpur, berlodak, berpasir dan sedikit konglomerat). Peristiwa canggaan (canggaan tektonik tempatan) dan metamorfisme rantau yang berlaku akibat penimbusan yang dalam (5 hingga 20 kilometer) dan rejarah granit yang membekalkan suhu yang tinggi (200 hingga 600 sentigred dengan tekanan 2 hingga 6 bar) ini ditafsirkan berlaku pada masa Paleozoik Atas telah menukar batuan tersebut menjadi filit, kuarzit dan meta-konglomerat hingga mencapai gred syis.…”

Section: Pemendapan Sedimen Formasi Mersingunclassified

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Geological, Biological, Cultural And Local Wisdom Heritage A Key Element Of Mersing Geopark Development

Said¹,

Komoo²,

Mohamad³

et al. 2021

BGSM

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The district of Mersing is bestowed with many national and international geological heritage sites dated since 350 million years ago. The high biodiversity and uniqueness of the local culture complements the geoheritage of the area. Thus, the National Geopark Committee has chosen Mersing as a territory to be developed as a geopark. Mersing Geopark development efforts were initiated in 2017 through the Mersing Geopark Scientific and Development Committee. The entire Mersing district of 6,371 square kilometers, including the marine areas right up to the Aur Archipelago is identified as the geopark area. The geoheritage here has been identified as 22 geosites, which cover land and island areas. Important flora and fauna have also been identified as being within the protected areas. The unique and preserved traditions of life, art and culture add to the value of this geopark. Several key elements were introduced to prepare Mersing Geopark before being evaluated as a national geopark candidate in December 2018, namely governance of the geopark - management based on ‘co-management’ mechanism, nature conservation – community, community economy through geotourism activities, and public education. Many programmes and activities have been carried out to face future plans for Mersing to become a UNESCO Global Geopark. Geopark enhances natural and cultural heritage resources through integrated development, geotourism development to increase income, preservation of heritage sites and empowerment of local communities to foster a strong sense of pride and belonging to a place.

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Section: Warisan Geologi Mersingunclassified

Section: Pemendapan Sedimen Formasi Mersingunclassified

Geological, Biological, Cultural And Local Wisdom Heritage A Key Element Of Mersing Geopark Development

Said¹,

Komoo²,

Mohamad³

et al. 2021

BGSM

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“…Thus, the age of this formation is assumed as Carboniferous. Surjono and Leman (2010) stated that the general fining -upward sequence with numerous linear, thin sandstone bodies, cross-stratified, and interbedded sandstone was similar to the shallow marine transgressive sequence. It is also found on a detailed relict structure within the metasandstone that the rocks were deposited in a shallow sea.…”

Section: Geological Setting and Stratigraphymentioning

confidence: 99%

“…comprising the Mersing and Murau Formations. Surjono (2007) and Surjono and Leman (2010) interpreted that metasedimentary and metamorphic rocks of Mersing Formation are rich in quartz mineral, indicating a cratonicderived material originated from the East Malaya Continental Block. In Early Permian (300 Ma), Murau Formation was deposited as a product of sedimentation and transportation process of uplifted Mersing Formation which had undergone a massive weathering and erosion forming several alluvial fans along the boundary.…”

Section: Glacial Marine Diamictites I-tipe Granitoidmentioning

confidence: 99%

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A Combined Petrographic-Geochemical Provenance and Tectonic Setting Study of Palaeozoic Rocks, in East Johor Basin, Peninsular Malaysia

Surjono

Leman

Mohamed

et al. 2020

Indonesian J. Geosci.

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Several greywacke sandstones considered as Paleozoic rocks are found in three different formations, i.e. the Dohol, Linggiu, and Tanjung Leman Formations within the Palaeozoic East Johor Basin. The compositions of twenty-nine sandstone samples were identified using petrographical and geochemical methods to determine the provenance of sandstones as well as the tectonic setting of pre-and syn-sedimentation. Seven samples of them were examined using point counting method to obtain the mineralogical compositions. This petrographical point counting was done by plotting composition percentages to QFL and QmFLt triangular diagrams, The results showed a magmatic arc for Dohol Formation, a change from a magmatic to a recycled orogen for Linggiu Formation, and a recycled orogen for Tanjung Leman Formation. The recycled orogen tectonic setting of Linggiu and Tanjung Leman may have come from the underlying metamorphic and sedimentary rocks of Mersing and Murau Formations. Meanwhile, twenty-two samples were examined using a geochemical method by utilizing the ratio of K 2 O/Na 2 O and SiO 2 . The samples suggest a tectonic setting from both passive continental margin (PM) and active continental margin (ACM). Based on these findings, it is interpreted that the sedimentary rocks in East Johor were deposited in a subduction-related basin, such as fore-arc, magmatic arc, and back-arc.

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Origin of the Late Paleozoic metamorphic rocks in East Johor, Peninsular Malaysia

Cited by 2 publications

References 14 publications

Geological, Biological, Cultural And Local Wisdom Heritage A Key Element Of Mersing Geopark Development

Geological, Biological, Cultural And Local Wisdom Heritage A Key Element Of Mersing Geopark Development

A Combined Petrographic-Geochemical Provenance and Tectonic Setting Study of Palaeozoic Rocks, in East Johor Basin, Peninsular Malaysia

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