• Mhlanga XR, Tsikos H, Lee BK, Lyons TW,  Boyce A (2018) Trace Element Evidence from the 2.4 Ga Hotazel Fe-Mn Formation, South Africa, Constrains Marine Redox Conditions at the Onset of the Great Oxidation Event. Abstract, AGU Fall Meeting, Washington DC, USA.
  • Mhlanga XR, Tsikos H, Oonk P, Mason P, Lee B, Lyons TW (2018) Marine Redox Evolution and Co-Mn Signals of the Great Oxidation Event. Abstract, Goldschmidt conference, Boston, USA.
  • Mhlanga XR, Tsikos H, Lee B, Rouxel O, Boyce A, Lyons TW (2017) Massive marine Mn deposition in the Palaeoproterozoic heralds the Great Oxidation Event. Abstract, Geobiology Conference, Banff, Alberta, Canada.

  • Lee BK, Oliveira EP, Tsikos H, Lyons TW (2016) Banded Iron Formations of the Cauê Formation, Quadrilátero Ferrífero Minas Gerais, Brazil: A novel pre-GOE record of biospheric evolution. Abstract, AGU 2016 Joint Assembly (Fall meeting), San Francisco, USA.

  • Fairey B, Timmerman M & Tsikos H (2016) Re-evaluating models for manganese ore genesis in the Postmasburg Manganese Field, Northern Cape, South Africa. Abstract, 35th International Geological Congress, Cape Town, RSA.

  • Cousins DP & Tsikos H (2016) The Gamagara Formation revisited: stratigraphy, sedimentology, origin and metallogenic significance. Abstract, 35th International Geological Congress, Cape Town, RSA.

  • Oonk PBH, Tsikos H, Mason PRD, Henkel S, Staubwasser M & Williams HE (2016) Species-specific Fe-isotopes on Palaeoproterozoic BIF and their implications. Abstract, 35th International Geological Congress, Cape Town, RSA.

  • Mhlanga XR, Tsikos H, Lyons TW, Rouxel O & Harris C (2016) Reassessing processes of primary deposition and diagenesis of iron and manganese, using cm-scale variations in iron and carbon isotope ratios of the Palaeo-proterozoic Hotazel Formation, South Africa. Abstract, 35th International Geological Congress, Cape Town, RSA.

  • Blignault L, Viljoen KS & Tsikos, H (2016) A Petrographic and Geochemical Analysis of the Kalahari Manganese Deposit, Northern Cape, South Africa. Abstract, 35th International Geological Congress, Cape Town, RSA.

  • Oonk PBH, Tsikos H, Mason PRD, Williams HE & Vroon PZ (2016) Iron and Silicon Isotope Evolution Across Palaeoproterozoic BIF of the Transvaal Supergroup, South Africa. Abstract, Goldschmidt 2016, Yokohama, Japan.

  • Mhlanga XR, Tsikos H, Boyce AJ & Lyons TW (2015) Primary iron- and manganese-carbonate deposition in the Palaeoproterozoic Hotazel Formation, and implications for the Great Oxidation Event. Abstract, AGU 2015 Joint Assembly (Fall meeting), San Francisco, USA.

  • Rafuza S, Tsikos H, Oonk PBH, Boyce AJ & Gröcke DR (2015) Banded Iron-Formation carbonates: diagenetic proxies or records of primary water-column processes? Abstract, Goldschmidt 2015, Prague, Czech Republic.

  • Oonk PBH, Tsikos H, Mason PRD, Staubwasser M, Henkel S & Williams HE (2015) Sequential extraction for Palaeoproterozoic BIF and implications. Abstract, Goldschmidt 2015, Prague, Czech Republic.

  • Papadopoulos V, Tsikos H, Smith B & Harris C (2015) Mineralogy, geochemistry and origin of the Manganore iron formation, Transvaal Supergroup, R.S.A. Abstract, Goldschmidt 2015, Prague, Czech Republic.

  • Oonk PBH, Tsikos H, Mason PRD, Staubwasser M, Henkel S, & Williams H (2015) sequential extraction for Palaeoproterozoic BIF and implications. Goldschmidt 2015 (Prague, Czech Republic)

  • Papadopoulos V, Tsikos H, Smith B, & Harris C (2015) Mineralogy, geochemistry and origin of the Manganore Iron Formation, Transvaal Supergroup, South Africa. Goldschmidt 2015 (Prague, Czech Republic)

  • Rafuza S, Tsikos H, Oonk PBH, Boyce AJ, Grocke DR (2015) Banded Iron-Formation carbonates: diagenetic proxies or records of primary water-column processes? Goldschmidt 2015 (Prague, Czech Republic)

  • Blignaut, L.C., Viljoen, K.S., & Tsikos, H. (2014). A geochemical and geometallurgical analysis of the Kalahari Manganese Deposit, Northern Cape. Abstract. IMA 2014 – 21st General Meeting of the International Mineralogical Association (Sandton, Johannesburg, RSA)

  • Costin, G., Fairey, B., & Tsikos, H. (2014) Tokyoite and As-rich tokyoite: new occurrence in manganese ore of the Postmasburg Manganese Field, South Africa. Abstract, IMA 2014 – 21st General Meeting of the International Mineralogical Association (Sandton, Johannesburg, RSA)

  • Schilling, K., Basu, A.,  Johnson, T.M., Mason, P.R.D., Tsikos, H., & Mondal, S.K. (2014) Se isotope signature of Paleoarchean and Paleoproterozoic banded iron formations. Abstract, Goldschmidt 2014 Conference (Sacramento, USA)

Last Modified: Fri, 10 Apr 2020 14:35:49 SAST