Isotopengeochemie

Isotopengeochemie

Isotope Geochemistry Group (July 2026)

Goldschmidt 2026 in Montral (Canada)

  • Metzner N, Babechuk MG, Kleinhanns IC, Schröder S, Gebert L, Smith AJB & Schoenberg R: Weathering and climate change recorded in ca. 2.32–2.06 Ga sedimentary rocks of the Pretoria Group, Transvaal Supergroup, South Africa
  • Kimmig SR, Bilau A, Rostron B, Immenhauser A & Holmden C: Constraining the Timing of Dolomitization of the Red River Formation using in situ Carbonate U-Pb Geochronology
  • Smart K, Tappe S, Schoenberg R, Kleinhanns IC, Magna T & Stracke A: Less recycling and more mantle in cratonic MARID metasomes
  • DeCorby MA, Baconnais I, Jensen GER, Kimmig SR, Nadeau MD, Rostron B & Holmden: Reconstructing the Katian seawater lithium isotope signature from carbonate-evaporite sequences and formation brines
  • Lau KV, Taylor K, Rauzi S, Isson T, Ibarra DE, Hülse D, Kimmig SR, Payne J, Altiner D, Lehrmann DJ, Kalderon-Asael B & Planavsky NJ: Heterogenous lithium isotope records in carbonate and siliciclastic archives in the Early Triassic: evaluating a highly perturbed lithium cycle
  • Varas-Reus M, König S, Schilling ME, Reis Jalowitzki TL, Solis N & Schoenberg R: Selenium isotope variations in mantle xenoliths from Southern Patagonia
  • Solis N, Varas-Reus M, König S, Schilling ME, Reis Jalowitzki TL, Reich M & Schoenberg R: Selenium-tellurium systematics in variably metasomatized mantle xenoliths from the Deseado Massif, Southern Patagonia

 

Latest publications

  • Smith AJB, Fitton D, Vorster C & Schoenberg R (2026): The iron and manganese formations of the Paleoproterozoic Hotazel Formation in the southern Kalahari Manganese Field of South Africa: Paleoenvironmental and depositional implications at the onset of the Great Oxidation Event. Ore Geology Reviews 188: 107060. https://doi.org/10.1016/j.oregeorev.2025.107060
  • Wilmsen M, Metzner N, Bansal U, Berensmeier M, Böning P (2026): Glaucony formation during warm phases of Earth history: Lessons learnt from Upper Cretaceous greensand giants. Global and Planetary Change 260: 105374. https://doi.org/10.1016/j.gloplacha.2026.105374
  • Ossa Ossa F, Kramers JD, Hofmann A, Schoenberg R, Agangi A, Belyanin G, Elburg MA, Gregory D, Villa IM & Bekker A (2025):  Time constraints for the Lomagundi excursion and the earliest known Paleoproterozoic macroscopic organisms from the Francevillian Group, Gabon. Chemical Geology 682: 122749. https://doi.org/10.1016/j.chemgeo.2025.122749
  • Ajagunjeun AA, Ossa Ossa F, Kleinhanns IC, Marin-Carbonne J, Hofmann A, Al Suwaidi A & Schoenberg R (2025): Expansion of the aerobic iron biogeochemical cycle during the Paleoproterozoic Lomagundi event. Communications Earth & Environment 6, 113. https://doi.org/10.1038/s43247-025-02106-6
  • Jiang X, Chen X, Hoare L, Schertl H-P, Palmer M R, Zhang W, Cai P, Liu H, Zheng Y & Gao S. (2024). Substantial in situ Ti isotope variations in rutile record source and fluid evolution of porphyry copper mineralization systems. Geological Society of America Bulletin. https://doi.org/10.1130/B37798.1
  • Jiang X, Chen X, Jiang S, Hoare L, Zhang W, Lian D, Cai P, Xu Y & Liu H (2024). Immiscibility of carbonatitic and alkaline silicate melts from an evolved ultramafic magma: Titanite geochronology and in-situ Ti-Nd isotope insights. Chemical Geology, 670, 122433. https://doi.org/10.1016/j.chemgeo.2024.122433.
  • Rosca C, Junginger A, Kübler S, Babechuk MG, Olaka LA & Schoenberg R (2024): Isotopic and trace element record of changing metal source contributions to tropical freshwater Lake Naivasha (Kenya). Science of The Total Environment 951: 175082; https://doi.org/10.1016/j.scitotenv.2024.175082
  • Havsteen JC, Eickmann B, Izon G, Kleinhanns IC, Rosca C, Beukes NJ & Schoenberg R (2024): Atmospheric oxygenation at the onset of Earth’s Great Oxidation forced enhanced marine anoxia. South African Journal of Geology 127 (2): 455–472, https://doi.org/10.25131/sajg.127.0002
  • Engvik AK, Corfu F, Kleinhanns IC, Taubald H, Elvevold S (2024): Mineralogical and Geochemical Response to Fluid Infiltration into Cambrian Orthopyroxene-Bearing Granitoids and Gneisses, Dronning Maud Land, Antarctica. Minerals 2024, 14(8), 772; https://doi.org/10.3390/min14080772
  • Wagner LJ, Kleinhanns IC, Varas-Reus MI, Rosca C, König S, Bach W & Schoenberg R (2023): Light stable Cr isotope compositions of mid-ocean ridge basalts: Implications for mantle source composition. Geochimica et Cosmochimica Acta; https://doi.org/10.1016/j.gca.2023.04.028