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Details for: Axel Hofmann


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Note: abstracts are only listed if one of the following email addresses was provided when the abstract was submitted: ahofmann@uj.ac.za. Otherwise, try an advanced search.

(2019) Early Traces of Life Preserved in 3.51 Ga Old Cherts of the Daitari Greenstone Belt, India
Jodder J, Hofmann A, Wilson A, Stüeken E & Xie H
(2019) Low Dissolved Phosphorus Content in the Mesoarchean Ocean Limited Oxygenic Photosynthesis
Ossa Ossa F, Hofmann A, Spangenberg JE, Poulton SW, Stüeken EE, Schoenberg R, Eickmann B, Wille M & Bekker A
(2019) Stable Cr Isotope Fractionation during Magmatic Differentiation of 2.7 Ga Komatiites from the Belingwe Greenstone Belt, Zimbabwe
Wagner JL, Kleinhanns IC, Hofmann A & Schoenberg R
(2019) Volcanism, Sedimentation, and Microbial Activity in a ca. 3.0 Ga Intracontinental Setting
Agangi A, Hofmann A, Paprika D, Bekker A & Ossa Ossa F
(2019) Xenon in Carbonaceous Matter: A Paleo-Atmospheric Proxy and a Dating Tool for Paleo-Fossils?
Avice G, Moreira M, Hofmann A & Ossa FO
(2021) Oldest Methanogens from Subseafloor Hydrothermal Environment, South Africa
Cavalazzi B, Lemelle L, Simionovici AS, Cady SL, Russell M, Bailo E, Canteri R, Enrico E, Manceau A, Maris A, Salome M, Thomassot E, Bouden N, Tucoulou Tachoueres R & Hofmann A
(2021) Nitrogen Isotope Variations Across the 3.4 Gyr Buck Reef Chert, South Africa, Question Early Nitrogen Sources and Pathways
Pellerin A, Thomazo C, Ader M, Marin-Carbonne J, Alleon J, Vennin E & Hofmann A
(2020) Early Coevolution of Life and the Geodynamo Suggested by Potential ~3.4 Billion-Year-Old Magnetofossils
Tarduno J, Hofmann A & Cottrell R
(2020) Triple Oxygen Isotope Investigation of Granites Through Time in Comparison with Coeval Shales
Bindeman I, Hofmann A & Palandri J
(2018) The Onset of Oxidative Weathering Traced by Uranium Isotopes
Brüske A, Albut G, Schuth S, Schoenberg R, Beukes N, Hofmann A, Nägler T & Weyer S
(2018) Heavy δ30Si in Archean Granitoïds as Evidence for Supracrustal Components in their Sources
André L, Abraham K, Foley S & Hofmann A
(2018) Triple Oxygen Isotopes in Shales Through Time: Rapid Emergence of Subaerial Landmasses at 2.5Ga
Bindeman I, Zakharov D, Greber N, Dauphas N, Retallack G, Hofmann A, Lackey JS & Bekker A
(2017) Sulfur non Mass Dependent Anomalies in Modern River Water of Archean Catchment
Asael D, Planavsky N, Bellefroid E, Hofmann A & Reinhard C
(2017) Constraints on Metal Mobilization in Archean and Early Proterozoic Marine Sediments from Uranium Isotopes
Brüske A, Schuth S, Albut G, Schoenberg R, Beukes N, Hofmann A, Nägler T & Weyer S
(2017) Cerium Stables Isotopes as a Redox Tracer in Early Earth Environments
Bellot N, Debaille V & Hofmann A
(2017) Africa Initiative for Planetary and Space Sciences
Baratoux D, Chennaoui-Aoudjehane H, Gibson R, Lamali A, Reimold WU, Selorm Sapah M, Chabou C, Habarulema JB, Jessell MW, Mogessie A, Benkhaldoun Z, Nkhonjera E, Mukosi NC, Kaire M, Rochette P, Sickafoose A, Martínez-Frías J, Hofmann A, Folco L & Rossi AP
(2016) Mesoarchaean Oxidative Shallow Marine Environment in the Pongola Supergroup, South Africa
Siahi M, Master S & Hofmann A
(2015) A View to the First Half of the Earth’s Impact History: Barberton CT3 Spherule Layers, South Africa
Özdemir S, Koeberl C, Schulz T, Reimold WU, Mohr-Westheide T & Hofmann A
(2015) Palaeoarchean Intermediate – Felsic Volcanics of the Toggekry Formation, Nondweni Greenstone Belt, RSA: A Rifted Volcanic Arc?
Elburg M, Jele N, Andersen T, Watkeys M, Agangi A & Hofmann A
(2015) New Insights into the 3.4 Ga Sulfur and Iron Cycle from the ICDP Buck Reef Chert Drill Core
Eickmann B, Hofmann A, Agangi A, Wille M, Meffre S, Wing B & Schoenberg R
(2015) Greenstone Belts as Archives of Early Earth Processes
Hofmann A
(2013) Paleoarchean Felsic Magmatism: A Melt Inclusion Study of 3.45 Ga Volcanic Rocks from the Barberton Greenstone Belt
Agangi A, Hofmann A & Kamenetsky VS
(2013) Time-Related Changes in the Si Isotopic Composition of Palaeo- to Mesoarchaean Granitoids
Abraham K, Foley S, Hofmann A, Cardinal D & André L
(2013) Seawater as the Common Si Source for Both Archean BIF and Cherts: Insights from Silicon Isotopes
Delvigne C, Hofmann A, Cardinal D & André L
(2012) Understanding Archean Weathering Using Silicon Isotopes and Ge/Si Ratios
Delvigne C, Opfergelt S, Hofmann A, Cardinal D & Andre L
(2012) In situ Fe and Multiple S Isotope Analyses of an Archean Pyrite Nodule
Marin-Carbonne J, Rollion-Bard C, Hofmann A, Thomassot E, McKeegan K, Bekker A & Rouxel O
(2011) Prograde P-T Path of a ~3.2 Ga Tectonometamorphic Event from Assegaai Greenstone Belt, SE Kaapvaal Craton
Saha L, Hofmann A & Xie H
(2011) δ30Si and Ge/Si Changes in BIFs along the Archaean
Delvigne C, Cardinal D, Hofmann A & André L
(2010) Enhanced Primary Productivity in the Aftermath of the Rise of Atmospheric Oxygen
Planavsky N, Bekker A, Hofmann A & Lyons T
(2009) The Origin of Palaeoarchaean Silicification Inferred from Coupled Si-O Isotopes
Abraham K, Cardinal D, Hofmann A, Foley S, Harris C & André L
(2009) Banded Iron Formations of the ~ 2.7 Ga Manjeri Formation, Belingwe Greenstone Belt, Zimbabwe: An Anoxic Carbonate- and Sulphide-Rich Depositional Environment
Bah MSI, Orberger B, Hofmann A & Tudryn A
(2009) 300 M.y. of Komatiite Evolution in the Barberton Greenstone Belt
Robin C, Arndt N, Chauvel C, Byerly G, Kareem K, Hofmann A & Wilson A
(2008) Sulfidic Organic-Rich Shales in the Archean Low-Sulfate Ocean: Evidence for Transient Oxygenated Conditions, Enhanced Volcanism, or Low Sedimentation Rates?
Bekker A, Hofmann A, Rumble D & Rouxel O
(2008) Hydrothermal Activity and Stromatolite Formation in the Pre-2.95 Ga Record of South Africa
Hofmann A
(2007) Si Isotopes as a Clue for Understanding Eoarchaean Silicifications
Abraham K, Opfergelt S, Cardinal D, Hofmann A, Foley S & André L

Theme chair

Goldschmidt2019 - Theme 07: Co-evolving life and environments through deep time

Session convener

Goldschmidt2017 - Session 03j: Using Novel Isotopic Approaches to Unravel the Early Evolution of Oceans, the Atmosphere and Life on Earth
Goldschmidt2016 - Session 03e: Archean Cherts and Paleo-Ecosystems in Precambrian Oceans
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