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Title: Carbonate platform, slope, and basinal deposits of Upper Oligocene, Kalimantan, Indonesia

Abstract

Upper Oligocene platform carbonates (Berai Formation) occur extensively on the Barito shelf in southeastern Kalimantan (Borneo) and are flanked northward by coeval slope and basinal deposits (Bongan Formation) which accumulated in the southwestern part of the Kutei basin. Isolated carbonate buildups equivalent to the Berai Formation also occur within the Kutei basin and were probably deposited on basement highs. The distribution of these facies is fairly well constrained by the study of outcrops, wells, and seismic profiles. The Berai Formation consists of diverse limestone types with a wide range of textures and with dominant skeletal components of large foraminifera, red algae, and corals. Deposition of the Berai Formation occurred in moderate- and high-energy shallow-marine conditions. Slope and basin facies occur in extensional basins adjacent to the shelfal carbonates and peripheral to isolated carbonate buildups. Slope deposits consist of hemipelagic claystone, debris-flow conglomerate, calciturbidite, and volcaniclastic intervals. syndepositional downslope transport of slope deposits was an important process, as indicated by intervals containing redeposited debris flows, intraformational truncation surfaces, slide blocks, and associated shear planes. Recurrent movement on basin-margin faults and local volcanism probably perpetuated instability of slope deposits. Basinal deposits consist of calcareous claystone with intercalated thin, distal calciturbidite and volcaniclasticmore » beds.« less

Authors:
; ; ;
Publication Date:
Research Org.:
Unocal Science and Technology Div., Brea, CA
OSTI Identifier:
6533797
Report Number(s):
CONF-870606-
Journal ID: CODEN: AABUD
Resource Type:
Conference
Journal Name:
AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States)
Additional Journal Information:
Journal Volume: 71:5; Conference: American Association of Petroleum Geologists annual meeting, Los Angeles, CA, USA, 7 Jun 1987
Country of Publication:
United States
Language:
English
Subject:
02 PETROLEUM; INDONESIA; LIMESTONE; DEPOSITION; CONGLOMERATES; GEOLOGIC FORMATIONS; RESERVOIR ROCK; SEDIMENTARY BASINS; TERTIARY PERIOD; ASIA; CARBONATE ROCKS; CENOZOIC ERA; DEVELOPING COUNTRIES; GEOLOGIC AGES; GEOLOGIC STRUCTURES; ISLANDS; ROCKS; SEDIMENTARY ROCKS; 020200* - Petroleum- Reserves, Geology, & Exploration

Citation Formats

Armin, R A, Cutler, W G, Mahadi, S, and Van de Weerd, A. Carbonate platform, slope, and basinal deposits of Upper Oligocene, Kalimantan, Indonesia. United States: N. p., 1987. Web.
Armin, R A, Cutler, W G, Mahadi, S, & Van de Weerd, A. Carbonate platform, slope, and basinal deposits of Upper Oligocene, Kalimantan, Indonesia. United States.
Armin, R A, Cutler, W G, Mahadi, S, and Van de Weerd, A. 1987. "Carbonate platform, slope, and basinal deposits of Upper Oligocene, Kalimantan, Indonesia". United States.
@article{osti_6533797,
title = {Carbonate platform, slope, and basinal deposits of Upper Oligocene, Kalimantan, Indonesia},
author = {Armin, R A and Cutler, W G and Mahadi, S and Van de Weerd, A},
abstractNote = {Upper Oligocene platform carbonates (Berai Formation) occur extensively on the Barito shelf in southeastern Kalimantan (Borneo) and are flanked northward by coeval slope and basinal deposits (Bongan Formation) which accumulated in the southwestern part of the Kutei basin. Isolated carbonate buildups equivalent to the Berai Formation also occur within the Kutei basin and were probably deposited on basement highs. The distribution of these facies is fairly well constrained by the study of outcrops, wells, and seismic profiles. The Berai Formation consists of diverse limestone types with a wide range of textures and with dominant skeletal components of large foraminifera, red algae, and corals. Deposition of the Berai Formation occurred in moderate- and high-energy shallow-marine conditions. Slope and basin facies occur in extensional basins adjacent to the shelfal carbonates and peripheral to isolated carbonate buildups. Slope deposits consist of hemipelagic claystone, debris-flow conglomerate, calciturbidite, and volcaniclastic intervals. syndepositional downslope transport of slope deposits was an important process, as indicated by intervals containing redeposited debris flows, intraformational truncation surfaces, slide blocks, and associated shear planes. Recurrent movement on basin-margin faults and local volcanism probably perpetuated instability of slope deposits. Basinal deposits consist of calcareous claystone with intercalated thin, distal calciturbidite and volcaniclastic beds.},
doi = {},
url = {https://www.osti.gov/biblio/6533797}, journal = {AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States)},
number = ,
volume = 71:5,
place = {United States},
year = {Fri May 01 00:00:00 EDT 1987},
month = {Fri May 01 00:00:00 EDT 1987}
}

Conference:
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