All abstracts by Clark M. Johnson at Goldschmidt2009
(2009) Fe, S, and C Isotopes Record Great Microbial Diversity in the Neoarchean
Johnson C, Yamaguchi K, Poulson S, Ohmoto H & Beard B |
(2009) The Role of Microbial Processes in Banded Iron Formation (BIF) Genesis as Constrained by Fe, C, and O Isotopes in BIF Carbonates
Heimann A, Johnson C, Beard B, Valley J & Spicuzza M |
(2009) Sm-Nd Geochronology of the Zermatt-Saas Ophiolite, Northern Italy
Springer K, Lapen T, Baumgartner L, Johnson C & Beard B |
(2009) More Precise Than Ice: Radioisotopic Dating of the Laschamp Excursion
Singer B, Guillou H, Jicha B, Laj C, Kissel C, Beard B & Johnson C |
(2009) Experimental Determination of the Fe Isotope Fractionation between Fe(II) and Goethite
Beard B, Handler R, Johnson C & Scherer M |