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Prof Steffen Büttner

Associate Professor
Structural Geology, Plate Tectonics & Crustal Evolution

PhD: University of Frankfurt (Germany)
MSc: TU Darmstadt (Germany)
PGDipHE: Rhodes University

t: +27 (0) 46 603 8775
e: s.buettner(at)ru.ac.za

GOOGLE SCHOLAR   ResearchGate
RESEARCH
  • The tectono-metamorphic evolution of the Namaqua Metamorphic Province.
  • Ore body formation in the O'okiep Copper District (collaboration with Steve Prevec
  • Pegmatitic gem deposits in Malawi (with Johannes Glodny (GFZ Potsdam, Germany), Dirk Frei (UWC, Cape Town), Charles Kankuzi (University of Malawi) and CIMERA)
  • Hydrothermal gold mineralizations in the Twangiza-Namoya Gold Belt (South Kivu, DRC; collaboration with Johannes Glodny (GFZ Potsdam), Banro Corporation and CIMERA).
  • Evolution of kimberlitic megacryst-hosted melt inclusions (collaboration with CIMERA and Geoff Howarth, UCT).
  • Aquifer geometry in the Grahamstown area (with Jane Tanner, IWR).

 

COURSES
  • Structural Geology and Plate Tectonics (GLG102, GLG202, GLG301)
  • The Formation of Rocks (Part 1)
  • Science Extended Studies Program: Introductory Geology
  • Honours Field School
COURSE VIDEOS ON YouTube
RECENT PUBLICATIONS
  1. Büttner, SH, Prevec, SA, Schmeldt, GA (2021) Petrogenesis of Mesoproterozoic granites of the Swartoup Hills region, Kakamas Domain, Namaqua Belt, South Africa.  Frontiers in Earth Science, 8, 123. 
  2. Büttner, SH, Isemonger, EW, Isaaks, M, van Niekerk, D, Sipler, RE, Dorrington, RA (2021) Living phosphatic stromatolites in a low-phosphorus environment: implications for the use of phosphorus as a proxy for phosphate levels in paleo-systems. Geobiology, 2021: 19:35–47 and related Cover page of issue 2021:19.
  3. Büttner, SH (2020) Comment on Evidence for Mesoproterozoic collision, deep burial and rapid exhumation of garbenschiefer in the Namaqua Front, South Africa” by Valby Van Schijndel, David H. Cornell, Robert Anczkiewicz, Anders Schersten, Geoscience Frontiers, Volume 11, Issue 2, Pages 511-531". Geoscience Frontiers, 11, 1889-1894.  
  4. Howarth, GH, Büttner, SH (2019) New constraints on archetypal South African kimberlite petrogenesis from quenched glass-rich melt inclusions in olivine megacrysts.  Gondwana Research, 68, 116-126.
  5. Prevec, SA, Büttner, SH (2018) Multi-phase emplacement of impact melt sheet into the footwall: offset dykes of the Sudbury Igneous Complex, Canada. Meteoritics and Planetary Science, 53, 1301-1322.
  6. Büttner, SH, Reid, WK, Glodny, J, Wiedenbeck, M, Chuwa, G, Moloto, T, Gucsik, A (2016) Fluid sources in the Twangiza-Namoya Gold Belt (Democratic Republic of Congo): Evidence from tourmaline and fluid compositions, and from boron and Rb-Sr isotope systematics. Precambrian Research, 280, 161-178. 
  7. Bial, J, Büttner, SH, Appel, P (2016) Timing and conditions of regional metamorphism and crustal shearing in the granulite facies basement of south Namibia: Implications for the crustal evolution of the Namaqualand metamorphic basement in the Mesoproterozoic. Journal of African Earth Sciences, 123, 145-176.
  8. Büttner, SH, Reid, WK, Erasmus, R (2016) Late Permian tectonics and associated fluid influx during the Cape Orogeny: evidence from fault-bound quartz veins in the Witteberg Group (Cape Supergroup, South Africa). South African Journal of Geology, 119 (2), 379-398.
  9. Bial, J, Büttner, SH, Schenk, V, Appel, P (2015) The long-term high-temperature history of the central Namaqua Metamorphic Complex: Evidence for a Mesoproterozoic continental back-arc in southern Africa. Precambrian Research, 268, 243-278
  10. Büttner, SH (2015) Comment: “One kilometre-thick ultramylonite, Sierra de Quilmes, Sierras Pampeanas, NW Argentina” by M.A. Finch, R.F. Weinberg, M.G. Fuentes, P. Haslova, and R. Becchio, Journal of Structural Geology 72 (2015) 33-54. Journal of Structural Geology 76, 80-83.
  11. Bial, J, Büttner, SH, Frei, D (2015) Formation and emplacement of two contrasting late-Mesoproterozoic magma types in the central Namaqua Metamorphic Complex (South Africa, Namibia): Evidence from geochemistry and geochronology. Lithos 224/225, 272-294.
CURRENT STUDENTS
  • Graeme Schmeldt (MSc 2017-2021) Genetic relationships between migmatites and the Swartoup Granite in the Swartoup Hills (central Namaqua Belt) (co-supervision with Steve Prevec).

  • Edmore Marima (MSc 2020-2021) Sulphur isotope variations of the Koperberg Suite and associated rocks in the O'okiep Copper District (co-supervision with Steve Prevec).

  • Jaco Greef (MSc 2020-2023) Structural Geology and Hydrogeology of the Witpoort and Kweekvley Formations, Makhanda area, Eastern Cape (co-supervision with Jane Tanner, IWR). 

  • Colin Price-Smith (MSc 2021-2022) The tectono-metamorphic evolution of the Oup shear zone in the Kakamas Domain, central Namaqua Belt. 

  • Ntaoleng Qobolo (BScH 2021) Mineral chemistry and crystallisation processes in kimberlitic melt inclusions.

  • Khayakazi Madwantsi (BScH 2021) The composition of freshwater stromatolites (co-supervision with Rosie Dorrington and Michelle Isaaks). 

RECENT GRADUATES
  • Aiden van Huyssteen (2021; MSc) Genesis of kimberlitic melt inclusions in ilmenite megacrysts from the Monastery kimberlite (co-supervision with Geoffrey Howarth, UCT).

  • Mwango Chilekwa (2020; MSc in Exploration Geology) Petrography and P-T estimations of metamorphic rocks from the western Copperbelt (Zambia).

  • Wesson Reid (2020; MSc) Fluid characteristics in hydrothermal veins of the Twangiza-Namoya Gold Belt (South Kivu, DRC). 

  • Charles Kankuzi (2019; PhD) Gemstone bearing pegmatites of Malawi: age, composition and fluid characteristics. Co-supervision with Yong Yao. 

  • Emmanuel Busane Aganze (2019; MSc in Exploration Geology) Sulphide textures and compositions associated with the hydrothermal/magmatic system of the Twangiza gold deposit (South Kivu, DRC).

  • Thapelo Moloto (2018; MSc) Sulphur isotope signatures of pyrite in the Twangiza-Namoya Gold Belt (DRC).

  • Jenna Knox (2018; MSc) Chemical weathering on selected nunataks in western Dronning Maud Land, Antarctica. Co-supervision with Ian Meiklejohn. 

Last Modified: Wed, 07 Apr 2021 08:48:11 SAST