Nannoplankton Biostratigraphy from Banggai-Sula Basin, Central Sulawesi

Nurhidayah, Efrilia Mahdilah; Akmaluddin, Akmaluddin; Barianto, Didit Hadi; Husein, Salahuddin; Saripudin, Asep

doi:10.22146/jtbb.85308

Akses terbuka Jurnal SINTA 1

Nannoplankton Biostratigraphy from Banggai-Sula Basin, Central Sulawesi

Journal of Tropical Biodiversity and Biotechnology · Vol. 9 No. 1 (2024)

DOI: 10.22146/jtbb.85308
ISSN: 2540-9581, 2540-9573
Terbit: 2024-03-11
Penerbit: Universitas Gadjah Mada
Bahasa: eng
Lisensi: creativecommons.org/licenses/by-sa/4.0

Abstrak

The nannoplankton research was conducted in the MH-2 well, Banggai-Sula Basin, Central Sulawesi. Thirty-four ditch-cutting samples were utilized to observe the Minahaki, Kintom, and Biak Formations. Age determination was carried out using biostratigraphy method and standard procedure for first and last occurrence of nannoplankton biodatum and had an absolute age, widely known as a zone indicator. This study aims to determine the age and nannoplankton biozonation of each geological formation in Banggai-Sula Basin. Based on the biostratigraphic analysis, 39 species from 14 genera with abundance frequencies ranging from rare to abundant were found in the MH-2 well. In this study, new results of the age of Banggai-Sula Basin areMiddle Miocene – Early Middle Pliocene (13,706 – 3,727 Ma), and can identify into six calcareous nannoplankton zones that are more detailed than previous researchers, Discoaster signus zone (NN5), Discoaster exilis zone (NN6-NN7), Discoaster berggrenii zone (NN11), Ceratolithus acustus zone (NN12), Helicosphaera sellii zone (NN13-NN15), and the Discoaster tamalis zone (NN16). Biostratigraphic data also shows new information for the first time, the absence of three zones from zone NN8 to zone NN10. This result indicates an unconformity in the Late Miocene age (10.606–8.20 Ma).

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Universitas Gadjah Mada
Universitas Islam Negeri Ar-Raniry
Pertamina (Indonesia)
National University of Malaysia
Badan Geologi
Mulawarman University
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Rekan penulis	Organisasi	Artikel bersama
Sugeng Sapto Surjono	Universitas Gadjah Mada	4
Muhammad Virgiana A	Afiliasi tidak diketahui	3
Muhammad I. Novian	Afiliasi tidak diketahui	3
Nugroho Imam Setiawan	Afiliasi tidak diketahui	3
Sunjaya E.S.	Afiliasi tidak diketahui	3
Banti T. Tampubolon	Afiliasi tidak diketahui	3
Donan Satria Yudha	Universitas Gadjah Mada	2
Rahmadi Hidayat	Universitas Gadjah Mada	2
Adesti Audina Ulfah	Universitas Gadjah Mada	2
Moch. Indra Novian	Afiliasi tidak diketahui	2
Akmaluddin Akmaluddin	Afiliasi tidak diketahui	1
Ridwan Muhammad Hasan	Universitas Islam Negeri Ar-Raniry	1
Asmaunizar Asmaunizar	Universitas Islam Negeri Ar-Raniry	1
Che Aziz Ali	National University of Malaysia	1
Rusyad Adi Suriyanto	Universitas Gadjah Mada	1
Muhammad Ageng Prabowo	Universitas Gadjah Mada	1
Citayana Fani Refalta	Universitas Gadjah Mada	1
Sukahar Eka Adi Saputra	Badan Geologi	1
Diana Rahmawati	Mulawarman University	1
Wartono Rahardjo	Afiliasi tidak diketahui	1

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Sumber metadata: OAI-PMH (metadata jurnal) https://jurnal.ugm.ac.id/jtbb/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.

Metadata asli (oai_dc)

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	<dc:title xml:lang="en-US">Nannoplankton Biostratigraphy from Banggai-Sula Basin, Central Sulawesi</dc:title>
	<dc:creator>Nurhidayah, Efrilia Mahdilah</dc:creator>
	<dc:creator>Akmaluddin, Akmaluddin</dc:creator>
	<dc:creator>Barianto, Didit Hadi</dc:creator>
	<dc:creator>Husein, Salahuddin</dc:creator>
	<dc:creator>Saripudin, Asep</dc:creator>
	<dc:subject xml:lang="en-US"></dc:subject>
	<dc:subject xml:lang="en-US">Biostratigraphy; Banggai-Sula Basin; Miocene; Nannoplankton; Unconformity</dc:subject>
	<dc:description xml:lang="en-US">The nannoplankton research was conducted in the MH-2 well, Banggai-Sula Basin, Central Sulawesi. Thirty-four ditch-cutting samples were utilized to observe the Minahaki, Kintom, and Biak Formations. Age determination was carried out using biostratigraphy method and standard procedure for first and last occurrence of nannoplankton biodatum and had an absolute age, widely known as a zone indicator.  This study aims to determine the age and nannoplankton biozonation of each geological formation in Banggai-Sula Basin. Based on the biostratigraphic analysis, 39 species from 14 genera with abundance frequencies ranging from rare to abundant were found in the MH-2 well. In this study, new results of the age of Banggai-Sula Basin areMiddle Miocene – Early Middle Pliocene (13,706 – 3,727 Ma), and can identify into six calcareous nannoplankton zones that are more detailed than previous researchers, Discoaster signus zone (NN5), Discoaster exilis zone (NN6-NN7), Discoaster berggrenii zone (NN11), Ceratolithus acustus zone (NN12), Helicosphaera sellii zone (NN13-NN15), and the Discoaster tamalis zone (NN16). Biostratigraphic data also shows new information for the first time, the absence of three zones from zone NN8 to zone NN10. This result indicates an unconformity in the Late Miocene age (10.606–8.20 Ma). </dc:description>
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	<dc:contributor xml:lang="en-US">SKK MIGAS and JOB Pertamina-Medco E&amp;P Tomori Sulawesi</dc:contributor>
	<dc:date>2024-03-11</dc:date>
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	<dc:source xml:lang="en-US">Journal of Tropical Biodiversity and Biotechnology; Vol 9, No 1 (2024): March; jtbb85308</dc:source>
	<dc:source>2540-9581</dc:source>
	<dc:source>2540-9573</dc:source>
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	<dc:relation>https://journal.ugm.ac.id/jtbb/article/view/85308/38409</dc:relation>
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	<dc:rights xml:lang="en-US">Copyright (c) 2024 Journal of Tropical Biodiversity and Biotechnology</dc:rights>
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