Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-Shield
Abstract Recent reconnaissance geochemical investigations have unveiled Cryogenian magmatism linked to the compressional accretionary phase, contributing to the growth of the Afif Terrane in the eastern Arabian Shield. The Cryogenian Suwaj intrusive suite, within the Afif Terrane, displays a composi...
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2025-01-01
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| Online Access: | https://doi.org/10.1038/s41598-024-78570-5 |
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| author | Mahmoud M. Hassan Osama K. Dessouky Abdullah M. Al Shammari Adeeb N. Al Barakati Saad M. Al Garni Mubark M. Al Nahdi Ashraf N. Al Qubsani Wadee A. AlKashghari Sobhi Nasir Kamal A. Ali Mahrous Abu El-Enen |
| author_facet | Mahmoud M. Hassan Osama K. Dessouky Abdullah M. Al Shammari Adeeb N. Al Barakati Saad M. Al Garni Mubark M. Al Nahdi Ashraf N. Al Qubsani Wadee A. AlKashghari Sobhi Nasir Kamal A. Ali Mahrous Abu El-Enen |
| author_sort | Mahmoud M. Hassan |
| collection | DOAJ |
| description | Abstract Recent reconnaissance geochemical investigations have unveiled Cryogenian magmatism linked to the compressional accretionary phase, contributing to the growth of the Afif Terrane in the eastern Arabian Shield. The Cryogenian Suwaj intrusive suite, within the Afif Terrane, displays a compositional range from gabbro-diorite to tonalite-granodiorite. The uniform compositional variation is primarily due to magmatic differentiation within parental magma across multiple pulses. The I-type calc-alkaline Suwaj granitoids represent arc-related juvenile materials resulting from the partial melting of a metabasaltic source. The geochemical characteristics of the Suwaj granitoids suggest typical adakite formation resulting from the melting of the basaltic portion of the young, hot oceanic slab. The age correlation between the Halaban ophiolite and the Suwaj Suite aligns with adakite formation in convergent margins. Tectonically, the Suwaj suite’s origin is attributed to the subduction of the Paleo-Ad-Dawadmi oceanic slab during microplate amalgamation, reflecting an integral part of the Arabian-Nubian Shield’s evolution, underscoring crustal thickening after arc collision. |
| format | Article |
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| institution | Kabale University |
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| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
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| spelling | doaj-art-ad945dd96ddd4f81b0fb3b6305fb733e2025-01-19T12:23:58ZengNature PortfolioScientific Reports2045-23222025-01-0115111610.1038/s41598-024-78570-5Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-ShieldMahmoud M. Hassan0Osama K. Dessouky1Abdullah M. Al Shammari2Adeeb N. Al Barakati3Saad M. Al Garni4Mubark M. Al Nahdi5Ashraf N. Al Qubsani6Wadee A. AlKashghari7Sobhi Nasir8Kamal A. Ali9Mahrous Abu El-Enen10Geology Department, Suez Canal UniversityNuclear Materials Authority of EgyptSaudi Geological SurveySaudi Geological SurveySaudi Geological SurveySaudi Geological SurveySaudi Geological SurveySaudi Geological SurveyEarth Sciences Research Centre, Sultan Qaboos UniversityDepartment of Mineral Resources and Rocks, Faculty of Earth Sciences, King Abdulaziz UniversitySaudi Geological SurveyAbstract Recent reconnaissance geochemical investigations have unveiled Cryogenian magmatism linked to the compressional accretionary phase, contributing to the growth of the Afif Terrane in the eastern Arabian Shield. The Cryogenian Suwaj intrusive suite, within the Afif Terrane, displays a compositional range from gabbro-diorite to tonalite-granodiorite. The uniform compositional variation is primarily due to magmatic differentiation within parental magma across multiple pulses. The I-type calc-alkaline Suwaj granitoids represent arc-related juvenile materials resulting from the partial melting of a metabasaltic source. The geochemical characteristics of the Suwaj granitoids suggest typical adakite formation resulting from the melting of the basaltic portion of the young, hot oceanic slab. The age correlation between the Halaban ophiolite and the Suwaj Suite aligns with adakite formation in convergent margins. Tectonically, the Suwaj suite’s origin is attributed to the subduction of the Paleo-Ad-Dawadmi oceanic slab during microplate amalgamation, reflecting an integral part of the Arabian-Nubian Shield’s evolution, underscoring crustal thickening after arc collision.https://doi.org/10.1038/s41598-024-78570-5Arabian ShieldSaudi ArabiaAfif TerraneSuwaj suiteAdakite rocksTectonic evolution |
| spellingShingle | Mahmoud M. Hassan Osama K. Dessouky Abdullah M. Al Shammari Adeeb N. Al Barakati Saad M. Al Garni Mubark M. Al Nahdi Ashraf N. Al Qubsani Wadee A. AlKashghari Sobhi Nasir Kamal A. Ali Mahrous Abu El-Enen Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-Shield Scientific Reports Arabian Shield Saudi Arabia Afif Terrane Suwaj suite Adakite rocks Tectonic evolution |
| title | Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-Shield |
| title_full | Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-Shield |
| title_fullStr | Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-Shield |
| title_full_unstemmed | Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-Shield |
| title_short | Petrogenesis and geodynamic implication of the newly recorded Cryogenian Suwaj adakitic magmatism at the eastern Arabian-Shield |
| title_sort | petrogenesis and geodynamic implication of the newly recorded cryogenian suwaj adakitic magmatism at the eastern arabian shield |
| topic | Arabian Shield Saudi Arabia Afif Terrane Suwaj suite Adakite rocks Tectonic evolution |
| url | https://doi.org/10.1038/s41598-024-78570-5 |
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