Titanium isotopes constrain a magmatic transition at the Hadean-Archean boundary in the Acasta Gneiss Complex SM Aarons, JR Reimink, ND Greber, AW Heard, Z Zhang, N Dauphas Science advances 6 (50), eabc9959, 2020 | 38 | 2020 |
SciPhon: a data analysis software for nuclear resonant inelastic X-ray scattering with applications to Fe, Kr, Sn, Eu and Dy N Dauphas, MY Hu, EM Baker, J Hu, FLH Tissot, EE Alp, M Roskosz, ... Journal of synchrotron radiation 25 (5), 1581-1599, 2018 | 38 | 2018 |
Constraints on the coevolution of oxic and sulfidic ocean iron sinks from Archean–Paleoproterozoic iron isotope records AW Heard, N Dauphas Geology 48 (4), 358-362, 2020 | 30 | 2020 |
Triple iron isotope constraints on the role of ocean iron sinks in early atmospheric oxygenation AW Heard, N Dauphas, R Guilbaud, OJ Rouxel, IB Butler, NX Nie, ... Science 370 (6515), 446-449, 2020 | 29 | 2020 |
South African crustal fracture fluids preserve paleometeoric water signatures for up to tens of millions of years AW Heard, O Warr, G Borgonie, B Linage, O Kuloyo, JW Fellowes, ... Chemical Geology 493, 379-395, 2018 | 26 | 2018 |
Anoxic continental surface weathering recorded by the 2.95 Ga Denny Dalton Paleosol (Pongola Supergroup, South Africa) AW Heard, SM Aarons, A Hofmann, X He, T Ireland, A Bekker, L Qin, ... Geochimica et Cosmochimica Acta 295, 1-23, 2021 | 18 | 2021 |
Iron isotopic and chemical tracing of basalt alteration and hematite spherule formation in Hawaii: a prospective study for Mars NX Nie, N Dauphas, KL Villalon, N Liu, AW Heard, RV Morris, ... Earth and Planetary Science Letters 544, 116385, 2020 | 12 | 2020 |
Structure of the northern Moine thrust zone, Loch Eriboll, Scottish Caledonides M Searle, SB Cornish, A Heard, JH Charles, J Branch Tectonophysics 752, 35-51, 2019 | 12 | 2019 |
Oxygen production and rapid iron oxidation in stromatolites immediately predating the Great Oxidation Event AW Heard, A Bekker, A Kovalick, H Tsikos, T Ireland, N Dauphas Earth and Planetary Science Letters 582, 117416, 2022 | 11 | 2022 |
A probabilistic case for a large missing carbon sink on Mars after 3.5 billion years ago AW Heard, ES Kite Earth and Planetary Science Letters 531, 116001, 2020 | 11 | 2020 |
Coupled vanadium and thallium isotope constraints on Mesoproterozoic ocean oxygenation around 1.38-1.39 Ga AW Heard, Y Wang, CM Ostrander, M Auro, DE Canfield, S Zhang, ... Earth and Planetary Science Letters 610, 118127, 2023 | 8 | 2023 |
Equilibrium fractionation of REE isotopes in nature: Insights from NRIXS and DFT+ U studies of Eu and Dy phonon density of states JY Hu, N Dauphas, NX Nie, M Roskosz, X Chen, AW Heard, ZJ Zhang, ... Geochimica et Cosmochimica Acta 348, 323-339, 2023 | 6 | 2023 |
Isotopic Constraints on the Nature of Primary Precipitates in Archean–Early Paleoproterozoic Iron Formations from Determinations of the Iron Phonon Density of States of … AW Heard, N Dauphas, IL Hinz, JE Johnson, M Blanchard, EE Alp, MY Hu, ... ACS Earth and Space Chemistry 7 (4), 712-727, 2023 | 6 | 2023 |
Origins and ages of fracture fluids in the South African Crust AW Heard, O Warr, G Borgonie, B Linage-Alvarez, O Kuloyo, ... AGU Fall Meeting Abstracts 2017, H11A-1153, 2017 | 2 | 2017 |
UV photo-oxidation on early Mars: Defining the abiotic baseline for ferric mineral precipitation at Meridiani Planum AW Heard, N Dauphas 48th Annual Lunar and Planetary Science Conference, 2728, 2017 | 2 | 2017 |
Fractionation of iron and titanium isotopes by ilmenite and the isotopic compositions of lunar magma ocean cumulates KB Prissel, MJ Krawczynski, NX Nie, N Dauphas, SM Aarons, AW Heard, ... Geochimica et Cosmochimica Acta 372, 154-170, 2024 | 1 | 2024 |
Past and present dynamics of the iron biogeochemical cycle N Dauphas, AW Heard, ES Rego, O Rouxel, J Marin-Carbonne, ... arXiv preprint arXiv:2312.09044, 2023 | 1 | 2023 |
Redetermining the kinetics of ferrous iron photo-oxidation under UV fluxes relevant to early Mars and Earth AW Heard, N Dauphas 50th Annual Lunar and Planetary Science Conference, 1467, 2019 | 1 | 2019 |
Insights into redox cycling on early Earth from the mass fractionation law of iron isotopes in Archean sediments AW Heard, N Dauphas, OJ Rouxel, NX Nie 49th Annual Lunar and Planetary Science Conference, 2470, 2018 | 1 | 2018 |
Development of short-lived, ferruginous conditions in the Western Interior Province of Wyoming under a highly oxygenated Carboniferous atmosphere A Kovalick, AW Heard, M Prokopenko, R Gaines, SG Nielsen, KT Goto, ... 2024 Goldschmidt Conference, 2024 | | 2024 |