| Year |
Citation |
Score |
| 2020 |
Fortney NW, Beard BL, Hutchings JA, Shields MR, Bianchi TS, Boyd ES, Johnson CM, Roden EE. Geochemical and Stable Fe Isotopic Analysis of Dissimilatory Microbial Iron Reduction in Chocolate Pots Hot Spring, Yellowstone National Park. Astrobiology. PMID 32580560 DOI: 10.1089/Ast.2019.2058 |
0.32 |
|
| 2014 |
Frierdich AJ, Beard BL, Reddy TR, Scherer MM, Johnson CM. Iron isotope fractionation between aqueous Fe(II) and goethite revisited: New insights based on a multi-direction approach to equilibrium and isotopic exchange rate modification Geochimica Et Cosmochimica Acta. 139: 383-398. DOI: 10.1016/J.Gca.2014.05.001 |
0.302 |
|
| 2013 |
Wu L, Brucker RP, Beard BL, Roden EE, Johnson CM. Iron isotope characteristics of Hot Springs at Chocolate Pots, Yellowstone National Park. Astrobiology. 13: 1091-101. PMID 24219169 DOI: 10.1089/Ast.2013.0996 |
0.301 |
|
| 2013 |
Li W, Czaja AD, Van Kranendonk MJ, Beard BL, Roden EE, Johnson CM. An anoxic, Fe(II)-rich, U-poor ocean 3.46 billion years ago Geochimica Et Cosmochimica Acta. 120: 65-79. DOI: 10.1016/J.Gca.2013.06.033 |
0.309 |
|
| 2013 |
Czaja AD, Johnson CM, Beard BL, Roden EE, Li W, Moorbath S. Biological Fe oxidation controlled deposition of banded iron formation in the ca. 3770Ma Isua Supracrustal Belt (West Greenland) Earth and Planetary Science Letters. 363: 192-203. DOI: 10.1016/J.Epsl.2012.12.025 |
0.313 |
|
| 2012 |
Czaja AD, Johnson CM, Yamaguchi KE, Beard BL. Comment on "Abiotic pyrite formation produces a large Fe isotope fractionation". Science (New York, N.Y.). 335: 538; author reply 53. PMID 22301304 DOI: 10.1126/Science.1211804 |
0.308 |
|
| 2011 |
Percak-Dennett EM, Beard BL, Xu H, Konishi H, Johnson CM, Roden EE. Iron isotope fractionation during microbial dissimilatory iron oxide reduction in simulated Archaean seawater. Geobiology. 9: 205-20. PMID 21504536 DOI: 10.1111/J.1472-4669.2011.00277.X |
0.31 |
|
| 2010 |
Heimann A, Johnson CM, Beard BL, Valley JW, Roden EE, Spicuzza MJ, Beukes NJ. Fe, C, and O isotope compositions of banded iron formation carbonates demonstrate a major role for dissimilatory iron reduction in ~2.5Ga marine environments Earth and Planetary Science Letters. 294: 8-18. DOI: 10.1016/J.Epsl.2010.02.015 |
0.306 |
|
| 2010 |
Johnson CM, Bell K, Beard BL, Shultis AI. Iron isotope compositions of carbonatites record melt generation, crystallization, and late-stage volatile-transport processes Mineralogy and Petrology. 98: 91-110. DOI: 10.1007/S00710-009-0055-4 |
0.317 |
|
| 2008 |
Heimann A, Beard BL, Johnson CM. The role of volatile exsolution and sub-solidus fluid/rock interactions in producing high 56Fe/54Fe ratios in siliceous igneous rocks Geochimica Et Cosmochimica Acta. 72: 4379-4396. DOI: 10.1016/J.Gca.2008.06.009 |
0.304 |
|
| 2007 |
Beard BL, Johnson CM. Comment on "Iron isotope fractionation during planetary differentiation" by S. Weyer et al., Earth Planet. Sci. Lett. V240, pages 251-264 Earth and Planetary Science Letters. 256: 633-637. DOI: 10.1016/J.Epsl.2007.01.037 |
0.315 |
|
| 2006 |
Johnson CM, Beard BL. Fe isotopes: An emerging technique for understanding modern and ancient biogeochemical cycles Gsa Today. 16: 4-10. DOI: 10.1130/Gsat01611A.1 |
0.307 |
|
| 2006 |
Severmann S, Johnson CM, Beard BL, McManus J. The effect of early diagenesis on the Fe isotope compositions of porewaters and authigenic minerals in continental margin sediments Geochimica Et Cosmochimica Acta. 70: 2006-2022. DOI: 10.1016/J.Gca.2006.01.007 |
0.332 |
|
| 2006 |
Chu NC, Johnson CM, Beard BL, German CR, Nesbitt RW, Frank M, Bohn M, Kubik PW, Usui A, Graham I. Evidence for hydrothermal venting in Fe isotope compositions of the deep Pacific Ocean through time Earth and Planetary Science Letters. 245: 202-217. DOI: 10.1016/J.Epsl.2006.02.043 |
0.322 |
|
| 2005 |
Yamaguchi KE, Johnson CM, Beard BL, Ohmoto H. Biogeochemical cycling of iron in the Archean-Paleoproterozoic Earth: Constraints from iron isotope variations in sedimentary rocks from the Kaapvaal and Pilbara Cratons Chemical Geology. 218: 135-169. DOI: 10.1016/J.Chemgeo.2005.01.020 |
0.312 |
|
| 2004 |
Beard BL, Johnson CM. Inter-mineral Fe isotope variations in mantle-derived rocks and implications for the Fe geochemical cycle Geochimica Et Cosmochimica Acta. 68: 4727-4743. DOI: 10.1016/J.Gca.2004.04.023 |
0.332 |
|
| 2004 |
Severmann S, Johnson CM, Beard BL, German CR, Edmonds HN, Chiba H, Green DRH. The effect of plume processes on the Fe isotope composition of hydrothermally derived Fe in the deep ocean as inferred from the Rainbow vent site, Mid-Atlantic Ridge, 36°14′N Earth and Planetary Science Letters. 225: 63-76. DOI: 10.1016/J.Epsl.2004.06.001 |
0.312 |
|
| 2003 |
Beard BL, Johnson CM, Damm KLV, Poulson RL. Iron isotope constraints on Fe cycling and mass balance in oxygenated Earth oceans Geology. 31: 629-632. DOI: 10.1130/0091-7613(2003)031<0629:Iicofc>2.0.Co;2 |
0.321 |
|
| 2003 |
Beard BL, Johnson CM, Skulan JL, Nealson KH, Cox L, Sun H. Application of Fe isotopes to tracing the geochemical and biological cycling of Fe Chemical Geology. 195: 87-117. DOI: 10.1016/S0009-2541(02)00390-X |
0.304 |
|
| 2003 |
Johnson CM, Beard BL, Beukes NJ, Klein C, O'Leary JM. Ancient geochemical cycling in the Earth as inferred from Fe isotope studies of banded iron formations from the Transvaal Craton Contributions to Mineralogy and Petrology. 144: 523-547. DOI: 10.1007/S00410-002-0418-X |
0.329 |
|
| 1999 |
Beard BL, Johnson CM. High precision iron isotope measurements of terrestrial and lunar materials Geochimica Et Cosmochimica Acta. 63: 1653-1660. DOI: 10.1016/S0016-7037(99)00089-7 |
0.311 |
|
| 1988 |
Ball KK, Beard BL, Roenker DL, Miller RL, Griggs DS. Age and visual search: expanding the useful field of view. Journal of the Optical Society of America. a, Optics and Image Science. 5: 2210-9. PMID 3230491 DOI: 10.1364/Josaa.5.002210 |
0.318 |
|
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