Geologist Contact Details

Curriculum Vitae - Mehrnaz Siahi

Sex: Female

Date of Birth: 05 November, 1977

Nationality: Iranian

Email: **************@*****.***

Academic qualifications

****-**** ********* (Dr rer nat) in Carbonate Geochemistry, Ludwig Maximilians University, Munich

2012-2016 Visiting researcher, University of the Witwatersrand, South Africa 2002-2006 Master of Geology/Sedimentology, University of Tarbiat Moalem, Tehran, Iran 1997-2001 Bachelor of Geology, University of Tarbiat Moalem, Tehran, Iran 1992-1995 Diploma, Kosar High School, Shahrood, Iran Professional experience

2018-08.2020 Postdoctoral fellow at University of Rhodes, Grahamstown, South Africa 2019-2020 Lecturer (Sedimentology), University of Rhodes, Grahamstown, South Africa 1.2018-6.2018 Postdoctoral fellow at University of Ferdowsi Mashhad, Mashhad, Iran 10-12-2017 Postdoctoral fellow at University of Pretoria, South Africa 2013-2014 Tutor of sedimentology courses, University of the Witwatersrand, South Africa 2010-2011 Technical Advisor, Iranian Mining Engineering Organization, Iran 2006–2011 Lecturer (Geology), University of Jame Elmi Karbordi, Iran 2009-2010 Geologist, National Iranian Steel Company (East Alborz Coal Company), Iran 2008-2009 Teacher (Geology), Ferdoos High School, Iran 2003-2006 Geologist, National Iranian Oil Company (Exploration Management), Iran Awards and scholarships

10/2017 Travel Grant, ICDP Barberton Greenstone Belt Drilling Project 11/2013-02/2014 and 11/2014-02/2015 Research Grant for Doctoral Candidates (DAAD) Public lectures

• Geologic hazards-karstification and collapsing. Kumani Iron mine, South Africa, May 2019.

• A sedimentological and geochemical study of stromatolitic carbonate rocks of the Mesoarchaean Pongola Supergroup South Africa. University of Pretoria, South Africa, November 2017.

• Mesoarchaean microbialites of the Pongola Supergroup, South Africa: a unique record of diverse microbial life. University of Witwatersrand, Johannesburg, South Africa, September 2015.

• A nano-scale study of 3-billion-years-old ooids for the evaluation of microbial activity in Mesoarcheaan time. NanoSIMS short course abstract. Technical University, Munich, Germany, December 2014.

• A unique record of diverse microbialite morphologies in the 3 Ga Nsuze Group, Pongola Supergroup, South Africa. Ludwig Maximilians University, Munich, Germany, September 2014.

Publications

• Tsikos, H., Siahi, M, Rafuza, S., Mhlanga, X.R., Oonk, P.B.H., Papadopoulos, V., Boyce, A., Mason, P.R.D., Harris, Ch., Grocke, D.R. and Lyons, T. (Under review). Carbon isotope evidence for water-column carbon and iron cycling in the Paleoproterozoic ocean and implications for the early biological pump. Geobiology,

• Siahi, M., Tsikos, H., Rafuza, S., Oonk, P.B.H., Mhlanga, X.R., van Niekerk, D., Mason, P.R.D. and Harris, Ch. (2020). Insights into the processes and controls on the absolute abundance and distribution of manganese in Precambrian Iron Formations. Precambrian Res., https://doi.org/10.1016/j.precamres.2020.105878 (IF: 4.42)

• Siahi, M., Hofmann, A., Master, S., Wilson, A. and Mayr, C. (2018). Trace element and stable (C, O) and radiogenic (Sr) isotope geochemistry of stromatolitic carbonate rocks of the Mesoarchaean Pongola Supergroup: Implications for seawater composition. Chem. Geol., 476, 389-406. https://doi.org/10.1016/j.chemgeo.2017.11.036 (IF: 3.36)

• Siahi, M., Hofmann, A., Master, S., Mueller, C.W. and Gerdes, A. (2017). Carbonate ooids of the Mesoarchaean Pongola Supergroup, South Africa. Geobiology, 00:1–17. https://doi.org/10.1111/gbi.12249 (IF: 4.38)

• Siahi, M., Hofmann, A., Hegner, H. and Master, S. (2016). Sedimentology and facies analysis of Mesoarchaean stromatolitic carbonate rocks of the Pongola Supergroup, South Africa. Precambrian Res., 278, 244-264.

https://doi.org/10.1016/j.precamres.2016.03.004

• Bolhar, R., Hofmann, A., Siahi, M., Feng, Y. and Delvigne, C. (2015). A trace element and Pb isotopic investigation into the provenance and deposition of stromatolitic carbonates, ironstones and associated shales of the ~3.0 Ga Pongola Supergroup, Kaapvaal Craton. Geochim. Cosmochim. Acta, 158, 57-78. https://doi.org/10.1016/j.gca.2015.02.026 (IF: 4.65)

• Siahi, M. and Lasemi, Y. (2008). Depositional environments and sequence stratigraphy of the Gadvan Formation in the Izeh Zone (Anneh and Khami Anticlines), SW Iran, Journal of Sediment and Sedimentary Rock. 1, 9-15. Abstracts

• Siahi, M. and Tsikos, H. (2021). Origin of the Griquatown granular iron formation, South Africa, in the context of the Great Oxidation Event. Goldschmidt Conference.

• Siahi, M., Master, S. and Hofmann, A. (2016). Mesoarchaean oxidative shallow marine environment in the Pongola Supergroup, South Africa. Goldschmidt Conference 2016, Yokohama, Japan, A2856.

• Siahi, M., Master, S., Hegner, E. and Hofmann, A. (2016). Textural and geochemical characteristics, and process of formation, of ooids in the Mesoarchaean Pongola Supergroup, South Africa. 35th IGC, Capetown, South Africa. Paper number, 4843.

• Wilson, A.H., Hofmann, A. and Siahi, M. (2016). The Mid-Archaean Pongola Supergroup: volcanism, sedimentation and early life development on Earth’s oldest stable continental margin. 35th IGC, Capetown, South Africa. Paper number, 866.

• Siahi, M., Hofmann, A., Hegner, E. and Master, S. (2014). Diverse microbialite morphologies in the 3 Ga Nsuze Group, Pongola Supergroup, South Africa. 18th Biennial Conference of the Palaeontological Society of Southern Africa, Abstract Volume, p. 44-45.

• Siahi, M., Hofmann, A., Hegner, E., Master, S. and Mayr, C. (2014). Stromatolitic carbonates of the Pongola Supergroup, South Africa: a unique record of surface conditions 3 billion years ago. 21th General Meeting of IMA, Johannesburg, South Africa, Abstract Volume, p. 407.

Membership of professional associations

Member of the International Association of Sedimentologists (IAS) Member of the Iranian Mining Engineering Organization Instrumental and laboratory experience

• Thin section petrography (transmitted, reflected light)

• Major, trace and rare earth elements analyses of whole rock samples (XRF, XRD, ICP-MS)

• In-situ trace element analysis (LA-ICP-MS)

• In-situ nano-scale element mapping and isotopic analysis (NanoSIMS)

• Mineral/ elemental composition and imaging (Laser Raman Microscopy, EPMA, SEM, μ-EDXRF)

• Stable isotope analysis (IRMS)

• Radiogenic isotope analysis (TIMS)

Referees:

Prof. Axel Hofmann: (Co-supervisor of my doctoral study) Contact details: University of Johannesburg, South Africa Department of Geology

PO Box 524, Auckland Park 2006

Kingsway & University (APK campus)

C1 Lab 418

Johannesburg

South Africa

Phone: +27 (0-11-559-****

Eamil: ********@**.**.**

Prof. Michael Joseph Duane: Colleague

Contact details: Kuwait University, Kuwait

Department of Earth and Environmental Sciences

PO Box 5969

Safat 13060

KUWAIT

Phone: +965-****-****

Email: *****@*****.*****.***.**; **********@*******.*** Prof Harilaos Tsikos: (Postdoctoral advisor)

Contact details: Rhodes University, South Africa

Head of PRIMOR research unit

Department of Geology

PO Box 94

Makhanda (Grahamstown) 6140

Eastern Cape, South Africa

Phone: +27 (0-725******

Eamil: *.******@**.**.**

Dr. Sharad Master: (Co-supervisor of my doctoral study) Contact details: University of Witwatersrand, South Africa Economic Geology Research Institute

School of Geosciences

Private Bag 3

2050 Wits

Johannesburg

South Africa

Phone: +27 (0-117******

Eamil: ******.******@****.**.**

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