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Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia

Several outcrops of Pedawan Formation (Jurassic - Cretaceous age) found along the Borneo Heights road in the Siburan area were evaluated. Detailed facies analysis of four (4) outcrops were undertaken, and seven (7) lithofacies were identified. These are, i) S1: Massive, ungraded medium-grained sands...

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Main Authors: Samsudin, N.M., Rahman, A.H.A., Ismail, M.S.
Format: Article
Published: Slovnaft VURUP a.s 2021
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85124013214&partnerID=40&md5=a178293777c8a797c2ef89249c0d552e
http://eprints.utp.edu.my/29237/
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spelling my.utp.eprints.292372022-03-25T01:15:23Z Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia Samsudin, N.M. Rahman, A.H.A. Ismail, M.S. Several outcrops of Pedawan Formation (Jurassic - Cretaceous age) found along the Borneo Heights road in the Siburan area were evaluated. Detailed facies analysis of four (4) outcrops were undertaken, and seven (7) lithofacies were identified. These are, i) S1: Massive, ungraded medium-grained sandstone, ii) S2: Graded, coarse to fine-grained sandstone (turbidite sequence, Ta-Tb), iii) S3: Thick, medium to fine-grained sandstone with mudstone interbeds, iv) S4: Thick, laminated medium to finegrained sandstone with floating mud clasts, v) S5: Massive slumping structure of medium-grained sandstones with thin mudstone layers, vi) M1: Massive, laminated thin mudstone with medium to fine sandstone interbeds, and lastly, vii) M2: Thick mudstone with thin, fine to medium-grained sandstone interbeds. The lithofacies are grouped into five facies associations, which are; i) FA1: Slope - cohesive flow deposits and slump structure, ii) FA2: Canyon floor filled with high to low-density debrites and turbidites, iii) FA3: Distributary turbidite channel, iv) FA4: Lobe fringe - fine to medium-grained sandstone with thick mudstone, and v) FA5: Thin mudstone and sandstone interbed of the basinal plain. The overall depositional environment is interpreted to be the slope to the fan lobe area of the deep marine setting. Based on a paleontological analysis, six (6) species of microfossils are determined and mostly deposited in benthic marine depositional environments. © 2021. All Rights Reserved. Slovnaft VURUP a.s 2021 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85124013214&partnerID=40&md5=a178293777c8a797c2ef89249c0d552e Samsudin, N.M. and Rahman, A.H.A. and Ismail, M.S. (2021) Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia. Petroleum and Coal, 63 (4). pp. 1004-1018. http://eprints.utp.edu.my/29237/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description Several outcrops of Pedawan Formation (Jurassic - Cretaceous age) found along the Borneo Heights road in the Siburan area were evaluated. Detailed facies analysis of four (4) outcrops were undertaken, and seven (7) lithofacies were identified. These are, i) S1: Massive, ungraded medium-grained sandstone, ii) S2: Graded, coarse to fine-grained sandstone (turbidite sequence, Ta-Tb), iii) S3: Thick, medium to fine-grained sandstone with mudstone interbeds, iv) S4: Thick, laminated medium to finegrained sandstone with floating mud clasts, v) S5: Massive slumping structure of medium-grained sandstones with thin mudstone layers, vi) M1: Massive, laminated thin mudstone with medium to fine sandstone interbeds, and lastly, vii) M2: Thick mudstone with thin, fine to medium-grained sandstone interbeds. The lithofacies are grouped into five facies associations, which are; i) FA1: Slope - cohesive flow deposits and slump structure, ii) FA2: Canyon floor filled with high to low-density debrites and turbidites, iii) FA3: Distributary turbidite channel, iv) FA4: Lobe fringe - fine to medium-grained sandstone with thick mudstone, and v) FA5: Thin mudstone and sandstone interbed of the basinal plain. The overall depositional environment is interpreted to be the slope to the fan lobe area of the deep marine setting. Based on a paleontological analysis, six (6) species of microfossils are determined and mostly deposited in benthic marine depositional environments. © 2021. All Rights Reserved.
format Article
author Samsudin, N.M.
Rahman, A.H.A.
Ismail, M.S.
spellingShingle Samsudin, N.M.
Rahman, A.H.A.
Ismail, M.S.
Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia
author_facet Samsudin, N.M.
Rahman, A.H.A.
Ismail, M.S.
author_sort Samsudin, N.M.
title Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia
title_short Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia
title_full Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia
title_fullStr Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia
title_full_unstemmed Sedimentology and Facies Analysis of the Pedawan Formation along Borneo Heights road, Siburan Area, Kuching, Sarawak, Malaysia
title_sort sedimentology and facies analysis of the pedawan formation along borneo heights road, siburan area, kuching, sarawak, malaysia
publisher Slovnaft VURUP a.s
publishDate 2021
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85124013214&partnerID=40&md5=a178293777c8a797c2ef89249c0d552e
http://eprints.utp.edu.my/29237/
_version_ 1738656937350791168
score 13.211869

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