Sains Malaysiana 47(10)(2018): 2259–2268

http://dx.doi.org/10.17576/jsm-2018-4710-03

 

Fosil Radiolaria daripada Batuan Bersilika-Rijang di Pos Blau (Singkapan Pb-1), Baratdaya Kelantan, Semenanjung Malaysia

(Radiolarian Fossil of Siliceous-Cherty Rock from Pos Blau (Outcrop Pb-1), Southwest Kelantan, Peninsular Malaysia)

 

MUHAMMAD ASHAHADI DZULKAFLI^1*, BASIR JASIN², MOHD SHAFEEA LEMAN¹ & NORASIAH SULAIMAN¹

 

¹Program Geologi, Pusat Pengajian Sains Sekitaran & Sumber Alam, Fakulti Sains & Teknologi, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia

 

²No.22, Jalan 2/4F, Seksyen 2, 43650 Bandar Baru Bangi, Selangor Darul Ehsan, Malaysia

 

Diserahkan: 30 Mac 2018/Diterima: 25 Jun 2018

 

 

ABSTRAK

Fosil radiolaria berusia Perm Awal telah ditemui daripada batuan silika-rijang di Pos Blau, baratdaya Kelantan, Semenanjung Malaysia. Sebanyak empat puluh spesies radiolaria tergolong dalam lima belas genera dan tujuh famili telah dikenal pasti. Fauna radiolaria yang diperoleh termasuklah spesies penunjuk usia seperti Pseudoalbaillella lomentaria, Ps. sakmarensis, Ps. scalprata scalprata, Ps. scalprata postscalprata dan Ps. scalprata rhombothoracata. Kesemua radiolaria ini mewakili usia Perm awal merujuk kepada Zon Himpunan Pseudoalbaillella lomentaria (Sakmarian Awal) dan Zon Himpunan Pseudoalbaillella scalprata m. rhombothoracata (Sakmarian Akhir). Keputusan ini dapat menambah baik maklumat biostratigrafi radiolaria dan usia batuan bersilika-rijang di kawasan Pos Blau dan di dalam Zon Sutura Bentong-Raub.

 

Kata kunci: Batuan silika-rijang; Perm Awal; Pos Blau; radiolaria; Semenanjung Malaysia

 

ABSTRACT

An Early Permian radiolarian fossil were discovered from siliceous-cherty rocks from Pos Blau, southwest Kelantan, Peninsular Malaysia. Fourty species of radiolarian belonging to fifteen genera and seven families have been recognized. The radiolarian fauna obtained includes age-diagnostic species such as Pseudoalbaillella lomentaria, Ps. sakmarensis, Ps. scalprata scalprata, Ps. scalprata postscalprata and Ps. scalprata rhombothoracata. These radiolarians represent an early Permian age corresponding to the Pseudoalbaillella lomentaria Assemblage Zone (Early Sakmarian) and Pseudoalbaillella scalprata m. rhombothoracata Assemblage Zone (Late Sakmarian). This finding improves the radiolarian biostratigraphic information and the age of the siliceous-cherty rocks in Pos Blau area and the Bentong-Raub Suture Zone.

 

Keywords: Early Permian; Pos Blau; Peninsular Malaysia; radiolaria; siliceous-cherty rock

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*Pengarang untuk surat menyurat; email: ashahadi@ukm.edu.my