eprintid: 14905
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/01/49/05
datestamp: 2023-11-10 03:29:30
lastmod: 2023-11-10 03:29:30
status_changed: 2023-11-10 01:58:07
type: article
metadata_visibility: show
creators_name: Lunt, P.
title: A reappraisal of the Cenozoic stratigraphy of the Malay and West Natuna Basins
ispublished: pub
keywords: Cenozoic; deposition; facies analysis; lithostratigraphy; paleogeography; tectonics; tectonostratigraphy, Malay Basin; Pacific Ocean; South China Sea
note: cited By 2
abstract: This review emphasizes that much geological data has a context, and properties of quality (reliability, precision) that are sometimes overlooked. A review of a pair of wells is e-appraised to examine the lithostratigraphic formations and seismostratigraphic �Groups� commonly used to describe Malay Basin Cenozoic stratigraphy. A new interpretation of the wells helps to develop an objective, genetic stratigraphic framework. Such an evidence-based framework is superior to both the old formation concepts, and the seismostratigraphic horizons, neither of which are part of a predictive facies model that allowed testing, or integration with other stratigraphic disciplines. The tectono-stratigraphic framework that is described here correlates very well with regional tectonic models. It also appears to have no link to eustatic sea-level changes until the mid-Pliocene, after which a strong glacio-eustatic signal is observed. The new inductive model asks fundamental questions about the deposition and palaeographic distribution of an important oil reservoir (the J Sand, Lower Ledang Sand, or Pasir Sandstone). It also questions how we should interpret seismic, and how we should replace idealised (deductive) models with evidence-based methods. As exploration in a mature area relies on subtle plays with stratigraphic components it is essential to have a tested and scientifically defendable stratigraphic framework. © 2020
date: 2021
publisher: Elsevier Ltd
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099833446&doi=10.1016%2fj.jaesx.2020.100044&partnerID=40&md5=7d5c283b9b7114caeaec7b2a298d6d70
id_number: 10.1016/j.jaesx.2020.100044
full_text_status: none
publication: Journal of Asian Earth Sciences: X
volume: 5
refereed: TRUE
issn: 25900560
citation:   Lunt, P.  (2021) A reappraisal of the Cenozoic stratigraphy of the Malay and West Natuna Basins.  Journal of Asian Earth Sciences: X, 5.   ISSN 25900560