Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan
Abstract Depositional environments, provenance and tectonic settings of Ispikan group exposed in south west Makran, were revealed by lithofacies, petrography and geochemistry studies. The group is consisting of conglomerate, very coarse-pebbly sandstone with subordinate fine grained sediments. The c...
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| Format: | Article |
| Language: | English |
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Elsevier
2021-12-01
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| Series: | Kuwait Journal of Science |
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| Online Access: | https://journalskuwait.org/kjs/index.php/KJS/article/view/10486 |
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| author | Muhammad Ahmed Farooqui Khalil Ur Rehman Amir Yaseen Ghazala Roohi Muhammad Umar |
| author_facet | Muhammad Ahmed Farooqui Khalil Ur Rehman Amir Yaseen Ghazala Roohi Muhammad Umar |
| author_sort | Muhammad Ahmed Farooqui |
| collection | DOAJ |
| description | Abstract
Depositional environments, provenance and tectonic settings of Ispikan group exposed in south west Makran, were revealed by lithofacies, petrography and geochemistry studies. The group is consisting of conglomerate, very coarse-pebbly sandstone with subordinate fine grained sediments. The conglomerates were dominated by igneous, sedimentary (limestone and sandstone) and metamorphic rocks fragments. The sandstone is texturally immature. The petrographic study exhibits that the sediments were sourced from cratone interior, quartzose, transitional recycled orogens, collision suture & fold-thrust belt and subduction complex sources. The igneous fragments were felsic to intermediate nature as reflected by higher values of K/Rb. Geochemical discriminants suggest the Ispikan sediments to have been derived from an active continental margin. The Continental Island arc was intimated by value of Nb, Ba/Y and Zr/Th. The Makran Accretionary Prism was tectonically active site for the deposition of debris flow related olistrostromes of Ispikan conglomerates in submarine environments. |
| format | Article |
| id | doaj-art-5e5d182e846a4ca3acd2188a2a10574b |
| institution | Kabale University |
| issn | 2307-4108 2307-4116 |
| language | English |
| publishDate | 2021-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Kuwait Journal of Science |
| spelling | doaj-art-5e5d182e846a4ca3acd2188a2a10574b2025-08-20T03:24:56ZengElsevierKuwait Journal of Science2307-41082307-41162021-12-0149110.48129/kjs.v49i1.10486Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest PakistanMuhammad Ahmed Farooqui0Khalil Ur Rehman1Amir Yaseen2Ghazala Roohi3Muhammad Umar4COMSATS University Islamabad, Lahore Campus, Defence Road, off Raiwind Road, Lahore, 54000 PakistanPakistan Museum of Natural History, Pakistan Science Foundation, Garden Avenue, Shakarparian, Islamabad, 44000 PakistanPakistan Museum of Natural History, Pakistan Science Foundation, Garden Avenue, Shakarparian, Islamabad, 44000 PakistanPakistan Museum of Natural History, Pakistan Science Foundation, Garden Avenue, Shakarparian, Islamabad, 44000 PakistanUniversity of Haripur PakistanAbstract Depositional environments, provenance and tectonic settings of Ispikan group exposed in south west Makran, were revealed by lithofacies, petrography and geochemistry studies. The group is consisting of conglomerate, very coarse-pebbly sandstone with subordinate fine grained sediments. The conglomerates were dominated by igneous, sedimentary (limestone and sandstone) and metamorphic rocks fragments. The sandstone is texturally immature. The petrographic study exhibits that the sediments were sourced from cratone interior, quartzose, transitional recycled orogens, collision suture & fold-thrust belt and subduction complex sources. The igneous fragments were felsic to intermediate nature as reflected by higher values of K/Rb. Geochemical discriminants suggest the Ispikan sediments to have been derived from an active continental margin. The Continental Island arc was intimated by value of Nb, Ba/Y and Zr/Th. The Makran Accretionary Prism was tectonically active site for the deposition of debris flow related olistrostromes of Ispikan conglomerates in submarine environments.https://journalskuwait.org/kjs/index.php/KJS/article/view/10486geochemistryMakranpetrographyprovenancetectonic settingturbidites |
| spellingShingle | Muhammad Ahmed Farooqui Khalil Ur Rehman Amir Yaseen Ghazala Roohi Muhammad Umar Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan Kuwait Journal of Science geochemistry Makran petrography provenance tectonic setting turbidites |
| title | Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan |
| title_full | Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan |
| title_fullStr | Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan |
| title_full_unstemmed | Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan |
| title_short | Petrography, geochemistry and depositional model of Ispikan Conglomerate, Makran Accretionary Prism, Southwest Pakistan |
| title_sort | petrography geochemistry and depositional model of ispikan conglomerate makran accretionary prism southwest pakistan |
| topic | geochemistry Makran petrography provenance tectonic setting turbidites |
| url | https://journalskuwait.org/kjs/index.php/KJS/article/view/10486 |
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