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Palaeogeography of Late Triassic red-beds in Singapore and the Indosinian Orogeny

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Palaeogeography of Late Triassic red-beds in Singapore and the Indosinian Orogeny. / Oliver, G.; Prave, A.

In: Journal of Asian Earth Sciences, Vol. 76, 25.10.2013, p. 214-224.

Research output: Contribution to journalArticle

Harvard

Oliver, G & Prave, A 2013, 'Palaeogeography of Late Triassic red-beds in Singapore and the Indosinian Orogeny', Journal of Asian Earth Sciences, vol. 76, pp. 214-224. https://doi.org/10.1016/j.jseaes.2013.01.022

APA

Oliver, G., & Prave, A. (2013). Palaeogeography of Late Triassic red-beds in Singapore and the Indosinian Orogeny. Journal of Asian Earth Sciences, 76, 214-224. https://doi.org/10.1016/j.jseaes.2013.01.022

Vancouver

Oliver G, Prave A. Palaeogeography of Late Triassic red-beds in Singapore and the Indosinian Orogeny. Journal of Asian Earth Sciences. 2013 Oct 25;76:214-224. https://doi.org/10.1016/j.jseaes.2013.01.022

Author

Oliver, G. ; Prave, A. / Palaeogeography of Late Triassic red-beds in Singapore and the Indosinian Orogeny. In: Journal of Asian Earth Sciences. 2013 ; Vol. 76. pp. 214-224.

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@article{a444922aacad4f739b618d448db95ef3,
title = "Palaeogeography of Late Triassic red-beds in Singapore and the Indosinian Orogeny",
abstract = "A red-bed facies of the Upper Triassic Jurong Formation has been logged on Sentosa Island, Singapore. An overall coarsening and thickening-upward pattern is well developed. The lower part of the section is dominated by purple-red, massive to finely laminated illite-smectite-kaolin-rich mudstones containing thin, discontinuous lenses of fine sandstone marked by low-angle lamination and small ripples. One dinosaur-like foot print has been discovered in a loose block of red mudstone. It is concluded that this is a lacustrine sequence and it is proposed to name the lake, Lake Sentosa. The upper part of the sequence consists of flat-laminated to trough cross-bedded medium-grained sandstone and granule to cobble conglomerates alternating with purple-red mudstone. The mudstone-sandstone packages are arranged in decametre-scale coarsening-upward cycles. The channelling and decimetre-scale cross-bedding characterising the sandstone and conglomeratic beds is evidence for deposition by flashy fluvial flood processes, possibly feeding into the lake as a fresh water delta. One possible dinosaur trackway in granule size conglomerate has been located. Detrital zircon U-Pb ages vary from 2.7. Ba to 209. Ma with significant populations at ~245. Ma and 220. Ma. These ages throw light on the timing of the Indosinian Orogeny. The molasse red-beds of the Jurong Formation were deposited in a half graben formed in the hangingwall of the Bukit Timah Fault when central Peninsular Malaysia went into extension following the climax of the Indosinian Orogeny in the Late Triassic.",
keywords = "Indosinian Orogeny, Late Triassic, Red-beds, Singapore",
author = "G. Oliver and A. Prave",
year = "2013",
month = "10",
day = "25",
doi = "10.1016/j.jseaes.2013.01.022",
language = "English",
volume = "76",
pages = "214--224",
journal = "Journal of Asian Earth Sciences",
issn = "1367-9120",
publisher = "PERGAMON-ELSEVIER SCIENCE LTD",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Palaeogeography of Late Triassic red-beds in Singapore and the Indosinian Orogeny

AU - Oliver, G.

AU - Prave, A.

PY - 2013/10/25

Y1 - 2013/10/25

N2 - A red-bed facies of the Upper Triassic Jurong Formation has been logged on Sentosa Island, Singapore. An overall coarsening and thickening-upward pattern is well developed. The lower part of the section is dominated by purple-red, massive to finely laminated illite-smectite-kaolin-rich mudstones containing thin, discontinuous lenses of fine sandstone marked by low-angle lamination and small ripples. One dinosaur-like foot print has been discovered in a loose block of red mudstone. It is concluded that this is a lacustrine sequence and it is proposed to name the lake, Lake Sentosa. The upper part of the sequence consists of flat-laminated to trough cross-bedded medium-grained sandstone and granule to cobble conglomerates alternating with purple-red mudstone. The mudstone-sandstone packages are arranged in decametre-scale coarsening-upward cycles. The channelling and decimetre-scale cross-bedding characterising the sandstone and conglomeratic beds is evidence for deposition by flashy fluvial flood processes, possibly feeding into the lake as a fresh water delta. One possible dinosaur trackway in granule size conglomerate has been located. Detrital zircon U-Pb ages vary from 2.7. Ba to 209. Ma with significant populations at ~245. Ma and 220. Ma. These ages throw light on the timing of the Indosinian Orogeny. The molasse red-beds of the Jurong Formation were deposited in a half graben formed in the hangingwall of the Bukit Timah Fault when central Peninsular Malaysia went into extension following the climax of the Indosinian Orogeny in the Late Triassic.

AB - A red-bed facies of the Upper Triassic Jurong Formation has been logged on Sentosa Island, Singapore. An overall coarsening and thickening-upward pattern is well developed. The lower part of the section is dominated by purple-red, massive to finely laminated illite-smectite-kaolin-rich mudstones containing thin, discontinuous lenses of fine sandstone marked by low-angle lamination and small ripples. One dinosaur-like foot print has been discovered in a loose block of red mudstone. It is concluded that this is a lacustrine sequence and it is proposed to name the lake, Lake Sentosa. The upper part of the sequence consists of flat-laminated to trough cross-bedded medium-grained sandstone and granule to cobble conglomerates alternating with purple-red mudstone. The mudstone-sandstone packages are arranged in decametre-scale coarsening-upward cycles. The channelling and decimetre-scale cross-bedding characterising the sandstone and conglomeratic beds is evidence for deposition by flashy fluvial flood processes, possibly feeding into the lake as a fresh water delta. One possible dinosaur trackway in granule size conglomerate has been located. Detrital zircon U-Pb ages vary from 2.7. Ba to 209. Ma with significant populations at ~245. Ma and 220. Ma. These ages throw light on the timing of the Indosinian Orogeny. The molasse red-beds of the Jurong Formation were deposited in a half graben formed in the hangingwall of the Bukit Timah Fault when central Peninsular Malaysia went into extension following the climax of the Indosinian Orogeny in the Late Triassic.

KW - Indosinian Orogeny

KW - Late Triassic

KW - Red-beds

KW - Singapore

UR - http://www.scopus.com/inward/record.url?eid=2-s2.0-84884418559&partnerID=8YFLogxK

U2 - 10.1016/j.jseaes.2013.01.022

DO - 10.1016/j.jseaes.2013.01.022

M3 - Article

VL - 76

SP - 214

EP - 224

JO - Journal of Asian Earth Sciences

JF - Journal of Asian Earth Sciences

SN - 1367-9120

ER -

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