Geological implications of new biostratigraphic data from East and West Kalimantan, Indonesia

Moss, Steve J.; Finch, Edward M.

doi:10.1016/s0743-9547(97)00038-x

Cited by 13 publications

(4 citation statements)

References 9 publications

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“…Topographically, Borneo Island is cored by a curving mountainous terrain called the Rajang-Crocker Range (Figure 1), which is a mid-Cenozoic paleoaccretionary prism, mainly consisting of hemipelagic and turbidite deposits (Stauffer, 1966) Moss and Finch (1997), including nannofossils, which provided additional age control of the outcrops (Figure 3).…”

Section: Regional Geologymentioning

confidence: 99%

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Paleogene paleogeographic reconstructions of the Kutai Basin: Refinement based on outcrop and subsurface data

Darman¹

2023

Bsed

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The Kutai Basin is a Cenozoic sedimentary basin located in the eastern part of Borneo Island. Many studies were done on the eastern part of the basin, which is dominated by Neogene sediments. The west margin of the basin is outcropped onshore and to the east, the basin opens up to the Makassar Strait. Paleogene and older rocks outcrop in the west margin of Kutai Basin. The terrain and the access to the area are difficult and no significant hydrocarbon discovery was made in Paleogene sediments up to now.This study revisited the field works completed in the 1970s by a Shell team, which focused on the Paleogene section of the Kutai Basin. The result was integrated with later studies, and altogether were synthesized into a series of paleogeographic maps. A new set of paleogeographic maps is proposed in this paper, for Middle Eocene, Late Eocene, Early Oligocene, and Late Oligocene levels. The works included in this study comprised outcrop observations, biostratigraphy analysis of the samples and limited seismic in parts of the area. The results were integrated with other more recent work to build the new set of Paleogene paleogeographic maps.Outcrops data and well information show the distribution of shallow marine sediment in the Middle Eocene time with some fluvial input from the north and southwest of the basin. In the Late Eocene, some carbonates developed in the north of the basin. During Early Oligocene, the carbonate complex developed both in the south and in the north of the basin. In the Late Oligocene, the carbonate in the south became more stable. Through Paleogene time the center of Kutai Basin was dominated by the bathyal section.

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Section: Regional Geologymentioning

confidence: 99%

“…A, B, and C are areas of other papers referred to in this paper. A = Kerendan Area, B = areas studies byMoss & Finch (1997); B = Mangkalihat Peninsula Area. "S" is an abbreviation of Sungai, which means river; "Tg" is for Tanjung which means peninsula and "Gn" is Gunung which means mount.…”

mentioning

confidence: 99%

Paleogene paleogeographic reconstructions of the Kutai Basin: Refinement based on outcrop and subsurface data

Darman¹

2023

Bsed

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“…Eocene extensional faulting is interpreted in certain deep parts of seismic sections across the Makassar Straits (Bergman et al 1996) and in the Kutai Basin in eastern Borneo, directly west of the Lariang and Karama region (Cloke 1997;Moss & Finch 1997;Moss & Chambers 1999). In the Moss & Chambers 1999).…”

Section: Basin Fillmentioning

confidence: 99%

Cenozoic evolution of the Lariang and Karama regions, North Makassar Basin, western Sulawesi, Indonesia

Calvert

Hall

2007

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The Lariang and Karama regions of western Sulawesi, an area of approximately 10 000 km 2 , were the subject of a field-based investigation with the aim of understanding the Cenozoic evolution of the North Makassar Basin. Western Sulawesi was influenced by the development of the Makassar Straits to the west and the collision of continental, ophiolitic and island-arc fragments to the east. The timing of these events has been the subject of considerable debate and it has been suggested that Neogene collisions in Sulawesi caused inversion in Borneo. A new stratigraphy for the Lariang and Karama regions of western Sulawesi, based on fieldwork, provides new and significant insights into the evolution of the Makassar Straits region. The oldest sediments are non-marine and could be as old as Paleocene; they include coals, sandstones and mudstones. Rifting had started by the Middle Eocene and continued into the Late Eocene. Syn-rift Eocene sediments were deposited in graben and half-graben in both marine and marginal marine environments. The Eocene Makassar Straits rift was highly asymmetrical; the Kalimantan margin was approximately twice the width of the Sulawesi margin. Thermal subsidence had started by the latest Eocene and by the end of the Oligocene most of western Sulawesi was an area of post-rift shelf carbonate and mudstone deposition. This shallow-marine depositional environment persisted throughout the Early Miocene and, in places, until the Middle or Late Miocene. In the Pliocene the character of sedimentation changed significantly. Uplift and erosion was followed by the deposition of coarse clastics derived from an orogenic belt to the east of the study area. The Palaeogene half-graben were inverted, there was localized detachment folding and the overlying Neogene section was folded, faulted and eroded in places. Contractional deformation in western Sulawesi dates from the Pliocene, whereas in eastern Kalimantan it dates from the Early Miocene.

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“…Both Batu belah and Lenmuring member of Ujoh Bilang Formation was deposited during early Oligocene and include in the Lower Ujoh Bilang Formation according to Wain et al (1989); Abidin et al, 1993. However, the new biostratigraphic data by Moss and Finch (1997)…”

Section: Introductionmentioning

confidence: 99%

Paleogeography And Sedimentation Dynamics Of Ujoh Bilang-Batubelah Limestone Member, Upstream Mahakam River, Ujoh Bilang Area, East Kalimantan Province

Novian

Wijayanti

2015

J. Appl. Geol.

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Geological implications of new biostratigraphic data from East and West Kalimantan, Indonesia

Cited by 13 publications

References 9 publications

Paleogene paleogeographic reconstructions of the Kutai Basin: Refinement based on outcrop and subsurface data

Paleogene paleogeographic reconstructions of the Kutai Basin: Refinement based on outcrop and subsurface data

Cenozoic evolution of the Lariang and Karama regions, North Makassar Basin, western Sulawesi, Indonesia

Paleogeography And Sedimentation Dynamics Of Ujoh Bilang-Batubelah Limestone Member, Upstream Mahakam River, Ujoh Bilang Area, East Kalimantan Province

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