Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia
The Paleozoic limestone of Kinta Valley formed a narrow deformed strip between the Late Triassic - Early Jurassic batholiths of the northern Peninsular Malaysia. Because of the advanced stage of karstification, it is difficult to understand the deformation events that affected the limestone. We use...
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Geological Society of Malaysia
2016
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my.utp.eprints.305482022-03-25T07:10:44Z Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia Meng, C.C. Pubellier, M. Abdeldayem, A. Sum, C.W. The Paleozoic limestone of Kinta Valley formed a narrow deformed strip between the Late Triassic - Early Jurassic batholiths of the northern Peninsular Malaysia. Because of the advanced stage of karstification, it is difficult to understand the deformation events that affected the limestone. We use outcrop remote sensing mapping, outcrop examples and hand specimens to unravel the tectonic evolution from syn-sedimentary to Recent events. We identify (i.) an early extensional event marked by very penetrative micro-normal faults, possibly due to compaction underneath the sea bottom, which occurred when bedding was still horizontal, (ii.) an early compression indicated by a set of conjugate originally strike-slip faults, (iii.) a well-marked compression with thrusts and tight folds which tilted the previously formed structures, (iv.) ductile high temperature (HT) normal shear located near the contact with the granites, and (v.) late extensional event marked by subsequent large normal faults. We interpret the evolution as intra-basin extension during Permian-Triassic times followed by a continuum of high strain coeval with the late stages of granite emplacement including compression and gravitational extension on the edge of the intrusion. The late extension is undated but may be linked to the Tertiary basins formation of Malaysia or the Late Miocene to Quaternary uplift. © 2016, Geological Society of Malaysia. All rights reserved. Geological Society of Malaysia 2016 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85035012482&doi=10.7186%2fbgsm62201606&partnerID=40&md5=7ed27acf07b5e64bf54bde6b00f34c21 Meng, C.C. and Pubellier, M. and Abdeldayem, A. and Sum, C.W. (2016) Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia. Bulletin of the Geological Society of Malaysia, 62 . pp. 37-45. http://eprints.utp.edu.my/30548/ |
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The Paleozoic limestone of Kinta Valley formed a narrow deformed strip between the Late Triassic - Early Jurassic batholiths of the northern Peninsular Malaysia. Because of the advanced stage of karstification, it is difficult to understand the deformation events that affected the limestone. We use outcrop remote sensing mapping, outcrop examples and hand specimens to unravel the tectonic evolution from syn-sedimentary to Recent events. We identify (i.) an early extensional event marked by very penetrative micro-normal faults, possibly due to compaction underneath the sea bottom, which occurred when bedding was still horizontal, (ii.) an early compression indicated by a set of conjugate originally strike-slip faults, (iii.) a well-marked compression with thrusts and tight folds which tilted the previously formed structures, (iv.) ductile high temperature (HT) normal shear located near the contact with the granites, and (v.) late extensional event marked by subsequent large normal faults. We interpret the evolution as intra-basin extension during Permian-Triassic times followed by a continuum of high strain coeval with the late stages of granite emplacement including compression and gravitational extension on the edge of the intrusion. The late extension is undated but may be linked to the Tertiary basins formation of Malaysia or the Late Miocene to Quaternary uplift. © 2016, Geological Society of Malaysia. All rights reserved. |
| format |
Article |
| author |
Meng, C.C. Pubellier, M. Abdeldayem, A. Sum, C.W. |
| spellingShingle |
Meng, C.C. Pubellier, M. Abdeldayem, A. Sum, C.W. Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia |
| author_facet |
Meng, C.C. Pubellier, M. Abdeldayem, A. Sum, C.W. |
| author_sort |
Meng, C.C. |
| title |
Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia |
| title_short |
Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia |
| title_full |
Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia |
| title_fullStr |
Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia |
| title_full_unstemmed |
Deformation styles and structural history of the paleozoic limestone, kinta valley, Perak, Malaysia |
| title_sort |
deformation styles and structural history of the paleozoic limestone, kinta valley, perak, malaysia |
| publisher |
Geological Society of Malaysia |
| publishDate |
2016 |
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https://www.scopus.com/inward/record.uri?eid=2-s2.0-85035012482&doi=10.7186%2fbgsm62201606&partnerID=40&md5=7ed27acf07b5e64bf54bde6b00f34c21 http://eprints.utp.edu.my/30548/ |
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