Geochemistry and petrography of skarn mineralization associated with Syrostan massive, Miass region (Southern Ural)

A considerable type of deposits, including those for W, Sn, Mo, and Cu, are found in the skarn. Skarn mineralization can be found southwest of Miass City, near the boundary between marble deposits and diorite in massive complex. We describe the Skarn’s petrography and geochemistry in this research. For our geochemical analysis with ICP-MS, EMPA, and X-ray spectral fluorescence analysis and petrography study, we collected samples of both the skarn and igneous rocks in the Syrostan massive. Petrography study revealed that garnet, epidote, amphibole, and pyroxene dominate skarn mineralization. Garnet and pyroxene minerals represent early metasomatic stage, indicating a prograde stage of alteration. Retrograde alteration, is distinguished by the presence of epidote, quartz, calcite, and chlorite. The skarn is associated with Syrostan massive, which dominant by metaluminous I-type granite and high-K calc-alkaline series granitic rocks. In comparison to igneous rocks granite and diorite, the skarn sample showed high enrichment in HREE. Skarn samples appeared to have higher concentrations of Mo, W, Sn, Ta, and Nb than igneous rocks form the Syrostan massive. skarn mineralization containing iron oxides, the Co/Ni ratios in the iron oxide (2.5 to 5.5) describe how the hydrothermal process affects the magmatic source. Based on these findings, we propose that W, Sn, and iron oxide mineralization may occur in skarn.

Keywords: geochemistry, petrography, skarn mineralization, Retrograde alteration, hydrothermal process, iron oxide, Syrostan massive.
For citation:

Mohammed Abdalla Elsharif Ibrahim, Kotelnikov A. E., Georgievskiy A. F., Samia Abdelrahman Ibrahim, Musab Hassan, Anas Mohamed Abaker Babai. Geochemistry and petrography of skarn mineralization associated with Syrostan massive, Miass region (Southern Ural). MIAB. Mining Inf. Anal. Bull. 2024;(4):86-103. DOI: 10.25018/0236_1493_2024_4_0_86.

Acknowledgements:

This paper has been supported by the RUDN University Strategic Academic Leadership Program.

Issue number: 4
Year: 2024
Page number: 86-103
ISBN: 0236-1493
UDK: 550.8+550.4+550.3
DOI: 10.25018/0236_1493_2024_4_0_86
Article receipt date: 07.03.2023
Date of review receipt: 09.10.2023
Date of the editorial board′s decision on the article′s publishing: 10.03.2024
About authors:

Mohammed Abdalla Elsharif Ibrahim1, Graduate Student, Researcher; Assistant, e-mail: mohammedelsharif7@gmail.com, ORCID ID: 0000-0002-5634-5695,
A.E. Kotelnikov1, Cand. Sci. (Geol. Mineral.), Assistant Professor, Head of Department, e-mail: kotelnikov-ae@rudn.ru, ORCID ID: 0000-0003-0622-8391,
A.F. Georgievskiy1, Dr. Sci. (Geol. Mineral.), Assistant Professor, e-mail: georgievskiy-af@rudn.ru, ORCID ID: 0000-0003-4835-760X,
Samia Abdelrahman Ibrahim, Dr. Sci. (Geol.), Head of Geology Department, Faculty of Natural Sciences, University of Khartoum, Sudan, e-mail: samiaibrahim125@gmail.co
Musab Hassan1, Graduate Student, Researcher; Assistant, e-mail: musabeljah78@gmail.com, ORCID ID: 0000-0003-2691-5703,
Anas Mohamed Abaker Babai, Graduate Student, Researcher; Assistant, Faculty of Petroleum Geology and Minerals, University of Bahri, Sudan, e-mail: anasabaker@gmail.com, ORCID ID: 0000-0003-2317-329X.
1 Department of Mineral Development and Oil and Gas Engineering, Academy of Engineering, Peoples’ Friendship University of Russia (RUDN University), 117198, Moscow, Russia.

 

For contacts:

Mohammed Abdalla Elsharif Ibrahim, e-mail: mohammedelsharif7@gmail.com.

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