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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

RESEARCH
  • The tectono-metamorphic evolution of the Namaqua Metamorphic Province
  • Pegmatitic gem deposits in Malawi (in collaboration with CIMERA)
  • Hydrothermal gold mineralizations in the Twangiza-Namoya Gold Belt (South Kivu, DRC; in collaboration with Banro Corporation and CIMERA).
  • Evolution of kimberlitic megacryst-hosted melt inclusions (in collaboration with CIMERA and Geoff Howarth, UCT)

 

COURSES
  • Structural Geology and Plate Tectonics (GLG102, GLG202, GLG301)
  • Science Extended Studies Program: Introductory Geology
  • Honours Field School

 

RECENT PUBLICATIONS
  1. 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.
  2. 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.
  3. 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. 
  4. 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.
  5. 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.
  6. 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
  7. 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.
  8. 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 POSTGRADUATE STUDENTS
  1. Charles Kankuzi (PhD 2014-2018) Gemstone bearing pegmatites of Malawi: age, composition and fluid characteristics (co-supervision with Yong Yao).
  2. Emmanuel Busane Aganze (MSc in Exploration Geol. 2016-2018) Sulphide textures and compositions associated with the hydrothermal/magmatic system of the Twangiza gold deposit (South Kivu, DRC).
  3. Mwango Chilekwa (MSc in Exploration Geol. 2016-2019) Petrography and P-T estimations of metamorphic rocks from the western Copperbelt (Zambia).
  4. Wesson Reid (MSc 2014-2016, 2018) Fluid characteristics in hydrothermal veins of the Twangiza-Namoya Gold Belt (South Kivu, DRC). 
  5. Graeme Schmeldt (MSc 2017-2019) Genetic relationships between migmatites and the Swartoup Granite in the Swartoup Hills (central Namaqua Belt) (co-supervision with Steve Prevec).
  6. Aiden van Huyssteen (MSc 2018-2019) Genesis of kimberlitic melt inclusions in ilmenite megacrysts from the Monastery kimberlite (co-supervision with Geoffrey Howarth, UCT).
  7. Nolitha Gcakasi (BScH 2019) Composition and genesis of the Concordia orbiculite (co-supervision with Deon van Niekerk).
  8. N.N. (BScH 2019) Melt segregation and crystallisation in olivine-hosted melt inclusions from the Monastery kimberlite. 

Last Modified: Wed, 09 Jan 2019 19:23:33 SAST