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Axel Hofmann
Axel Hofmann
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Iron formation: the sedimentary product of a complex interplay among mantle, tectonic, oceanic, and biospheric processes
A Bekker, JF Slack, N Planavsky, B Krapez, A Hofmann, KO Konhauser, ...
Economic Geology 105 (3), 467-508, 2010
8022010
Evidence for oxygenic photosynthesis half a billion years before the Great Oxidation Event
NJ Planavsky, D Asael, A Hofmann, CT Reinhard, SV Lalonde, ...
Nature Geoscience 7 (4), 283-286, 2014
4352014
Rare earth element and yttrium compositions of Archean and Paleoproterozoic Fe formations revisited: new perspectives on the significance and mechanisms of deposition
N Planavsky, A Bekker, OJ Rouxel, B Kamber, A Hofmann, A Knudsen, ...
Geochimica et Cosmochimica Acta 74 (22), 6387-6405, 2010
3782010
Geodynamo, solar wind, and magnetopause 3.4 to 3.45 billion years ago
JA Tarduno, RD Cottrell, MK Watkeys, A Hofmann, PV Doubrovine, ...
science 327 (5970), 1238-1240, 2010
2842010
The geochemistry of sedimentary rocks from the Fig Tree Group, Barberton greenstone belt: Implications for tectonic, hydrothermal and surface processes during mid-Archaean times
A Hofmann
Precambrian Research 143 (1-4), 23-49, 2005
2132005
Iron formations: Their origins and implications for ancient seawater chemistry
A Bekker, N Planavsky, B Rasmussen, B Krapez, A Hofmann, J Slack, ...
Treatise on geochemistry 12, 561-628, 2014
1862014
Sulfur record of rising and falling marine oxygen and sulfate levels during the Lomagundi event
NJ Planavsky, A Bekker, A Hofmann, JD Owens, TW Lyons
Proceedings of the National Academy of Sciences 109 (45), 18300-18305, 2012
1722012
Towards a complete magmatic barcode for the Zimbabwe craton: Baddeleyite U–Pb dating of regional dolerite dyke swarms and sill complexes
U Söderlund, A Hofmann, MB Klausen, JR Olsson, RE Ernst, PO Persson
Precambrian Research 183 (3), 388-398, 2010
1532010
Iron isotope composition of some Archean and Proterozoic iron formations
N Planavsky, OJ Rouxel, A Bekker, A Hoffman, CTS Little, TW Lyons
Geochimica et Cosmochimica Acta, 2011
1482011
Silica alteration zones in the Barberton greenstone belt: A window into subseafloor processes 3.5–3.3 Ga ago
A Hofmann, C Harris
Chemical Geology 257 (3-4), 221-239, 2008
1482008
Titanium isotopic evidence for felsic crust and plate tectonics 3.5 billion years ago
ND Greber, N Dauphas, A Bekker, MP Ptáček, IN Bindeman, A Hofmann
Science 357 (6357), 1271-1274, 2017
1362017
Rapid emergence of subaerial landmasses and onset of a modern hydrologic cycle 2.5 billion years ago
IN Bindeman, DO Zakharov, J Palandri, ND Greber, N Dauphas, ...
Nature 557 (7706), 545-548, 2018
1062018
Multiple sulphur and iron isotope composition of detrital pyrite in Archaean sedimentary rocks: A new tool for provenance analysis
A Hofmann, A Bekker, O Rouxel, D Rumble, S Master
Earth and Planetary Science Letters 286 (3-4), 436-445, 2009
1062009
Pyrite zoning as a record of mineralization in the Ventersdorp Contact Reef, Witwatersrand Basin, South Africa
A Agangi, A Hofmann, CC Wohlgemuth-Ueberwasser
Economic Geology 108 (6), 1243-1272, 2013
1032013
Carbonaceous cherts in the Barberton Greenstone Belt and their significance for the study of early life in the Archean record
A Hofmann, R Bolhar
Astrobiology 7 (2), 355-388, 2007
912007
Cyclicity of Triassic to Lower Jurassic continental red beds of the Argana Valley, Morocco: implications for palaeoclimate and basin evolution
A Hofmann, A Tourani, R Gaupp
Palaeogeography, Palaeoclimatology, Palaeoecology 161 (1-2), 229-266, 2000
882000
Implications of in situ calcification for photosynthesis in a~ 3.3 Ga-old microbial biofilm from the Barberton greenstone belt, South Africa
F Westall, B Cavalazzi, L Lemelle, Y Marrocchi, JN Rouzaud, ...
Earth and Planetary Science Letters 310 (3-4), 468-479, 2011
862011
Coupled Fe and S isotope variations in pyrite nodules from Archean shale
J Marin-Carbonne, C Rollion-Bard, A Bekker, O Rouxel, A Agangi, ...
Earth and Planetary Science Letters 392, 67-79, 2014
832014
Evolution of atmospheric xenon and other noble gases inferred from Archean to Paleoproterozoic rocks
G Avice, B Marty, R Burgess, A Hofmann, P Philippot, K Zahnle, ...
Geochimica et Cosmochimica Acta 232, 82-100, 2018
772018
Generation of early Archaean grey gneisses through melting of older crust in the eastern Kaapvaal craton, southern Africa
A Kröner, JE Hoffmann, H Xie, C Münker, E Hegner, Y Wan, A Hofmann, ...
Precambrian Research 255, 823-846, 2014
772014
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