Reprints or Preprints are available for papers
with [PDF] links (Adobe Acrobat format).
148.
Gorski, CA, Handler, RM, Beard, BL, Pasakarnis, T, Johnson, CM, and Scherer, MM
(2012) Fe atom exchange between aqueous Fe2+ and magnetite. Environ. Sci.
Technol., in press. [PDF]
(1800kb).
147. Wu,
L, Druschel, G, Findlay, A, Beard, BL, and Johnson, CM (2012) Experimental
Determination of Iron Isotope Fractionations among Fe2+aq-FeSaq-Mackinawite at
Low Temperatures: Implications for the Rock Record. Geochim. Cosmochim. Acta, in
press. [PDF] (1300kb).
146. Li,
W, Chakraborty, S, Beard, BL, Romanek, CS, and Johnson, CM (2012) Magnesium
isotope fractionation during precipitation of inorganic calcite under laboratory
conditions. Earth Planetary Sci. Lett., in press. [PDF].
145. Czaja, AD, Johnson, CM, Roden, EE, Beard, BL, Voegelin, AR, Nägler, TF, Beukes,
NJ, and Wille, M (2012) Evidence for free oxygen in the Neoarchean ocean based
on coupled iron–molybdenum isotope fractionation. Geochim. Cosmochim. Acta
86:118-137. [PDF] (1726kb).
144. Wu,
L, Percak-Dennett, EM, Beard, BL, Roden, EE, and Johnson, CM (2012) Stable iron
isotope fractionation between aqueous Fe(II) and model Archean ocean Fe-Si
coprecipitates and implications for iron isotope variations in the ancient rock
record. Geochim. Cosmochim. Acta. 84:14-28. [PDF]
(1000kb).
143. Li,
W, Beard, BL, and Johnson, CM (2012) U-Th-Pb isotope data indicate Phanerozoic
age for oxidation of 3.4 Ga basalts from Marble Bar, Pilbara Craton, NW
Australia. Earth Planet. Sci. Lett 319-320:197-206. [PDF]
(817kb).
142. Czaja, AD, Johnson, CM, Yamaguchi, KE, and Beard, BL (2012) Technical comment on
“Abiotic Pyrite Formation Produces a Large Fe Isotope Fractionation” by Guilbaud
et al. (2011). Science 335:538-c. [PDF]
(117kb).
141. Sinha, M.P.,
Neidholdt, E.L., Hurowitz, J., Sturhahn,W., Beard, B., Hecht, M.H. (2011) Laser
ablation-miniature mass spectrometer for elemental and isotopic analysis of
rocks. Rev. Sci. Instrum. 82, 094102 (2011); doi: 10.1063/1.3626794. [PDF] (1200kb).
140. Colville, E.J., Carlson, A.E., Beard, B.L., Hatfield,
R.G., Stoner, J.S., Reyes, A.V., Ullman, D.J. (2011) Sr-Nd-Pb Isotope Evidence
for Ice-Sheet Presence on Southern Greenland during the Last Interglacial.
Science 333:620-623. [PDF]
(1400kb).
139. Jicha, BR, Kristjánsson, L,
Brown, MC, Singer, BS, Beard, BL, and Johnson, CM (2011) New age for the
Skálamælifell excursion and identification of a global geomagnetic event in the
late Brunhes chron. Earth Planet. Sci. Lett. 310:509-517. [PDF]
(1800kb).
138. Singer, BS, Smith, KE, Jicha,
BR, Beard, BL, Johnson, CM, and Rogers, NW (2011) Tracking open-system
differentiation during growth of Santa María volcano, Guatemala. Jour. Petrol.
52:2335-2363. [PDF]
(1700kb).
137. Percak-Dennett, L, Roden, EE, Beard, BL, and Johnson,
CM (2011) Iron isotope fractionation during dissimilatory iron reduction under
simulated Archean conditions. Geobiology 9:205-220. [PDF]
(1120kb).
136. Wu, L, Beard, BL, Roden, BL, and Johnson, CM. Stable
iron isotope fractionation between aqueous Fe(II) and hydrous ferric oxide
(2011)
Environ. Sci. Technol. 45:1847-1852. [PDF]
(1256kb).
135. Li, W, Beard, BL, and Johnson, CM. Exchange and
fractionation of Mg isotopes between epsomite and saturated MgSO4 solution
(2011) Geochim. Cosmochim. Acta. 75:1814-1828. [PDF]
(901kb).
134. Kita, NT, Huberty, JM, Kozdon, R, Beard, BL, and
Valley, JW (2011) High-precision SIMS oxygen, sulfur and iron stable isotope
analyses of geological materials: accuracy, surface topography and crystal
orientation. Surf. Int. Analysis 43:427-431. [PDF]
(273kb).
133. Chetel, LM, Janecke, SU, Carroll, AR, Beard, BL,
Johnson, CM, and Singer, BS (2011) Paleogeographic reconstruction of the Eocene
Idaho River, North American Cordillera. Geol. Soc. Amer. Bull. 123:71-88.
[PDF] (2925kb).
132. Shafer, JT, Brandon, AD, Lapen, TJ, Righter, M,
Peslier, AH, and Beard, BL (2010) Trace element systematics and 147Sm–143Nd and
176Lu–176Hf ages of Larkman Nunatak 06319: Closed-system fractional
crystallization of an enriched shergottite magma. Geochim. Cosmochim. Acta
74:7307-7328. [PDF]
(485kb).
131. Hora, JM, Singer, BS, Jicha, BR, Beard, BL, Johnson,
CM, de Silva, S, and Salisbury, M (2010) Biotite-sanidine 40Ar/39Ar age
discordances reflect complex Ar partitioning and pre-eruption closure in biotite.
Geology 38:923-926. [PDF]
(368kb).
130. Jicha, BR, Smith, KE, Singer, BS, Beard, BL, Johnson,
CM, and Rogers, NW (2010) Crustal assimilation no match for slab-fluids beneath
Volcan de Sante Maria, Guatemala. Geology 38:859–862. [PDF]
(163kb).
129. Wu, L, Beard, BL, Roden, EE, Kennedy, CB, and Johnson,
CM (2010) Stable Fe isotope fractionations produced by aqueous Fe(II)-hematite
surface interactions. Geochim. Cosmochim. Acta 74:4249-4265. [PDF]
(751kb).
128. Doebbert, AC, Carroll, AR, Mulch, A, Chetel, LM, and
Chamberlain, CP (2010) Geomorphic controls on lacustrine isotopic compositions:
Evidence from the Laney member, Green River Formation, Wyoming. Geol. Soc. Amer.
Bull. 122:236-252. [PDF]
(1654kb).
127. Beard, BL, Handler, RM, Scherer, MM, Wu, L, Czaja, AD,
Heimann, A, and Johnson, CM (2010) Iron isotope fractionation between
aqueous ferrous iron and goethite. Earth Planet. Sci. Lett. 295:241-250.
[PDF] (574kb).
126. Lapen, TJ, Righter, M, Brandon, AD, Debaille, V,
Beard, BL, Shafer, JT, and Peslier, AH (2010) A younger age for ALH84001 and its
geochemical link to shergottite sources in Mars. Science 328:347-351.
[PDF] (133kb).
125. Tangalos, GE, Beard, BL, Johnson, CM, Alpers, CN,
Shelobolina, ES, Xu, H, Konishi, H, and Roden, EE (2010) Microbial production of
isotopically light iron(II) in a modern chemically-precipitated sediment and
implications for isotopic variations in ancient rocks. Geobiology
8:197-208. [PDF]
(865kb).
124. Heimann, A, Johnson, CM, Beard, BL, Valley, JW, Roden,
EE, Spicuzza, MJ, and Beukes, NJ (2010) Fe, C, and O isotope compositions of
banded iron formation carbonates demonstrate a major role for dissimilatory iron
reduction in ~ 2.5 Ga marine environments. Earth Planet. Sci. Lett.
294:8-18 [PDF]
(1631kb).
123. Kappler, A, Johnson, CM, Crosby, HA, Beard,BL, and
Newman, DL (2010) Evidence for equilibrium iron isotope fractionation by
nitrate-reducing iron(II)-oxidizing bacteria. Geochim. Cosmochim. Acta
74:2826-2842 [PDF] (1035kb).
122. Czaja, AD, Johnson, CM, Beard, BL, Eigenbrode, JL,
Freeman, KH, and Yamaguchi, KE
(2010) Iron and carbon isotope evidence for ecosystem and environmental
diversity in the ~2.7 to 2.5 Ga Hamersley Province, Western Australia.
Earth Planet. Sci. Lett. 292:170-180. [PDF]
(1466kb).
121. Johnson, CM, Bell, K, Beard, BL, and Shultis, AI
(2010) Iron isotope compositions of carbonatites record melt generation,
crystallization, and late-stage volatile-transport processes. Mineralogy
and Petrology 98:91-110. [PDF]
(638kb).
120. Skora, S, Lapen, TJ, Baumgartner, LP, Johnson, CM,
Hellenbrand, E, and Mahlen, NJ (2009) The duration of prograde garnet
crystallization in the UHP eclogites at Lago di Cignana, Italy. Earth
Planet. Sci. Lett. 287:402-411. [PDF]
(1402kb).
119. Brandon, AD, Lapen, TJ, DeBaille, V, Beard, BL,
Rankenburg, K, and Neal, C (2009) Re-evaluating 142Nd/144Nd in Lunar Mare
basalts with implications for the early evolution and bulk Sm/Nd of the Moon. Geochim. Cosmochim. Acta
73:6421-6445. [PDF]
(3394kb).
118. Singer, BS, Guillou, H, Jicha, BR,
Laj, C, Kissel, C, Beard, BL, and Johnson, CM (2009) 40Ar/39Ar, K-Ar and
230Th-238U dating of the Laschamp excursion: A radioisotopic tie-point for ice
core and climate chronologies. Earth Planet. Sci. Lett. 286:80-88.
[PDF] (1088kb).
117. Wu, L, Beard, BL, Roden, EE, and Johnson, CM (2009)
Influence of pH and dissolved Si on Fe isotope fractionation during
dissimilatory microbial reduction of hematite. Geochim. Cosmochim. Acta
73:5584-5599.
[PDF] (732kb).
116. Hora, JM, Singer, BS, Worner, G, Beard, BL, Jicha, BR,
and Johnson, CM (2009) Shallow and deep crustal control on differentiation
of calc-alkaline and tholeiitic magma. Earth Planet. Sci. Lett. 285:75-86.
[PDF] (1699kb).
115. Lapen, TJ, Medaris, LG Jr, Beard, BL, and Johnson, CM (2009)
The Sandvik peridotite, Gurskøy, Norway: Three billion years of mantle evolution
in the Baltica lithosphere. Lithos 109:145-154. [PDF]
(833kb).
114. Kylander-Clark, ARC, Hacker, BR, Johnson, CM, Beard,
BL, and Mahlen, NJ (2009) Slow subduction of a thick ultrahigh-pressure terrane.
Tectonics 28: doi:10.1029/2007TC002251, 10 March 2009. [PDF]
(5714kb).
113. Handler, RM, Beard, BL, Johnson, CM, and Scherer, MM (2009)
Atom exchange between aqueous Fe(II) and goethite: An Fe isotope tracer study.
Environ. Sci. Technol. 43:1102-1107. [PDF]
(178kb).
112. Jicha, BR, Johnson, CM, Hildreth, W, Beard,
BL, Hart, GL, Shirey, SB, and Singer, BS (2009) Discriminating assimilants and
decoupling deep- vs. shallow-level crystal records at Mount Adams using
238U-230Th disequilibria and Os isotopes.
Earth Planet. Sci. Lett. 277:38-49. [PDF]
(2328kb).
111. Jicha, BR, Hart, GL, Johnson, CM, Hildreth, W, Beard,
BL, Shirey, SB, and Valley, JW (2009) Isotopic and Trace Element Constraints on
the Petrogenesis of Lavas from the Mount Adams Volcanic Field, Washington.
Contrib. Mineral. Petrol. 157:189-207. [PDF]
(982kb).
110. Carroll, AR, Doebbert, AC, Booth, AL, Chamberlain, CP,
Rhodes-Carson, MK, Smith, ME, Johnson, CM, and Beard, BL (2008) Capture of high
altitude precipitation by a low altitude Eocene lake, western U.S.
Geology 36:791-794. [PDF]
(427kb).
109. Heimann, A, Beard, BL, and Johnson, CM (2008) The role
of volatile exsolution and sub-solidus fluid/rock interactions in producing high
56Fe/54Fe ratios in siliceous igneous rocks. Geochim. Cosmochim. Acta
72:4379-4396. [PDF]
(373kb).
108. Skora, S, Baumgartner, LP, Mahlen, NJ, Lapen, TJ,
Johnson, CM, and Bussy, F (2008) Estimation of a maximum Lu diffusion rate in a
natural eclogite garnet. Swiss Jour. Geosci. DOI 10.1007/s00015-008-1268-y. [PDF]
(1647kb).
107. Johnson, CM, Beard, BL, and Roden, EE (2008)
The iron isotope fingerprints of redox biogeochemical cycling in modern and
ancient Earth. Ann. Rev. Earth Planet. Sci. 36:457-493. [PDF]
(596kb).
106. Mahlen, NJ, Beard, BL, Johnson, CM, Lapen, TJ (2008)
An investigation of dissolution methods for Lu-Hf and Sm-Nd isotope studies in
zircon- and garnet-bearing whole-rock samples. Geochemistry, Geophysics,
and Geosystems
(G3) 9, Q01002, doi:10.1029/2007GC001605 12 January 2008. [PDF]
(998kb).
105. Valaas-Hyslop, E, Valley, JW, Johnson, CM, and Beard, BL
(2008) The effects of metamorphism on O and Fe isotope compositions in the
Biwabik iron-formation, northern Minnesota. Contrib. Mineral. Petrol.
155:313-328. [PDF]
(725kb). Sup. Material [PDF]
(240kb).
104. Johnson, CM, Beard, BL, Klein, C, Beukes, NJ, and Roden, EE
(2008) Iron isotopes constrain biologic and abiologic processes in banded iron
formation genesis. Geochim. Cosmochim. Acta 72:151-169. [PDF]
(1550kb).
103. Ackerman, L, Mahlen, N, Jelinek, E, Medaris, G Jr, Ulrych,
J, Strnad, L, Mihaljevic, M (2007) Geochemistry and evolution of subcontinental
lithospheric mantle in central Europe: Evidence from peridotite xenoliths of the
Kozkov volcano, Czech Republic. Jour. Petrol. 48:2235-2260 DEC. [PDF]
(1759kb).
102. Kylander-Clark, ARC, Hacker, BR, Johnson, CM, Beard, BL,
Mahlen, NJ, and Lapen, TJ (2007) Coupled Lu-Hf and Sm-Nd geochronology
constrains prograde and exhumation histories of high- and ultrahigh-pressure
eclogites from western Norway. Chem. Geol. 242:137-154. [PDF]
(1959kb).
101. Crosby, HA, Roden, EE, Johnson, CM, and Beard, BL (2007) The
mechanisms of iron isotope fractionation produced during dissimilatory Fe(III)
reduction by Shewanella putrefaciens and Geobacter sulfurreducens.
Geobiology 5:169-189. [PDF]
(622kb).
100. King, EM, Beard, BL, and Valley, JW (2007) Strontium and
oxygen isotopic evidence for strike/slip movement of accreted terranes in the
Idaho Batholith. Lithos 96:387-401. [PDF]
(813kb).
99.
Comment-Rely: Beard, BL, and Johnson, CM. (2007) Comment on “Iron isotope
fractionation during planetary differentiation” by S. Weyer et al., Earth
Planet. Sci. Letts. 256:633-637; Weyer, S, Anbar, AD,
Brey, GP, Münker, C, Mezger, K, and Woodland, AB (2007) Fe-isotope fractionation
during partial melting on Earth and the current view on the Fe-isotope budgets
of the planets (Reply to the comment of F. Poitrasson and to the comment of B.L.
Bead and C.M. Johnson) 256:638-646. [PDF]
(642kb).
98. Yamaguchi, KE, Johnson, CM, Beard, BL, Beukes, NJ, Gutzmer,
J, and Ohmoto, H. (2007) Isotopic evidence for iron mobilization during
Paleoproterozoic lateritization of the Hekpoort paleosol profile from Gaborone,
Botswana. Earth Planet. Sci. Letts. 256:577-587. [PDF]
(573kb).
97. Jicha, BR, Singer, BS, Beard, BL, Johnson, CM, Roa, HM,
and Naranjo, J.A. (2007) Rapid magma ascent and generation of 230Th excesses in the
lower crust at Puyehue-Cordón Caulle, Southern Volcanic Zone, Chile. Earth
Planet. Sci. Letts. 255:229-242. [PDF]
(1236kb).
96. Lapen, TJ, Johnson, CM, Baumgartner, LP, Dal Piaz, GV,
Skora, S, and Beard, BL (2007) Coupling of oceanic and continental crust during Eocene
eclogite-facies metamorphism: Evidence from the Monte Rosa nappe, western Alps.
Contrib. Mineral. Petrol. 153:139-157. [PDF]
(1013kb).
95. Wiesli, RA, Beard, BL, Braterman, PS, Johnson, CM, Saha, SK, and
Sinha, MP (2007) Iron Isotope Fractionation Between Liquid and Vapor Phases of
Iron Pentacarbonyl. Talanta 71:90-96. [PDF]
(311kb).
94. Chan, MA, Johnson, CM, Beard, BL, Bowman, JR, and
Parry, WT (2006). Iron isotopes constrain the pathways and formation mechanisms of
terrestrial oxide concretions: A tool for tracing iron cycling on Mars?
Geosphere 2:324-332. Main paper [PDF]
(616 kb), Supp. Material [PDF]
(1495kb).
93. Johnson, CM, and Beard, BL (2006) Fe isotopes: an
emerging technique in understanding modern and ancient biogeochemical cycles.
GSA Today 16:4-10. [PDF]
(1957kb).
High-resolution color figures from paper are available:
Fig. 1 (1913kb),
Fig. 2 (189kb),
Fig. 3 (167kb)
92. Medaris, LG, Beard, BL, and Jelinek, E (2006)
Mantle-derived, UHP garnet pyroxenite and eclogite in the Moldanubian Gfohl
nappe, Bohemian Massif: A geochemical review, new P-T determinations, and
tectonic interpretation. Int. Geol. Rev. 48:765-777. [PDF]
(2039kb).
91. Skora, S, Baumgartner, LP, Mahlen, NJ, Johnson, CM,
Pilet, S, and Hellebrand, E (2006). Diffusion-limited REE uptake by eclogite garnets
and its consequences for Lu-Hf and Sm-Nd geochronology. Contrib. Mineral.
Petrol.152:703-720. [PDF]
(569kb).
90. Comment-Reply: Beard, BL, and Johnson, CM (2006). Comment on "Heavy iron isotope
composition of granites determined by high resolution MC-ICP-MS", by F.
Poitrasson and R. Freydier, Chemical Geology, volume 222, pages 132-147. Chem.
Geol. 235:201-204. Poitrasson, F. On the iron isotope homogeneity
level of the continental crust - A Reply. Chem. Geol. 235:195-200. [PDF]
(374kb).
89. Sharaf, EF, BouDagher-Fadel, MK, Simo, JA, and
Carroll, AR (2006) Biostratigraphy and strontium isotope dating of
Oligocene-Miocene strata, East Java, Indonesia. Stratigraphy 2:239-258.
[PDF] (1939kb).
88. Chu, N-C, Johnson, CM, Beard, BL, German, CR, Nesbitt, RW, Frank,
M, Bohn, M, Kubik, PW, Usui, A, and Graham, I (2006) Evidence for hydrothermal
venting in the Fe isotope compositions of deep Pacific Ocean through time. Earth
Planet. Sci. Lett. 245:202-217. [PDF]
(954kb).
87. Severmann, S, Johnson, CM, Beard, BL, and McManus, J
(2006) The effect of early diagenesis on the Fe isotope compositions of
porewaters and authigenic minerals in continental margin sediments. Geochim.
Cosmochim. Acta 70:2006-2022. [PDF]
(728kb).
86. Lapen, TJ, Medaris, LG Jr, Johnson, CM, and Beard,
BL (2005) Archean to Middle Proterozoic evolution of Baltica subcontinental
lithosphere: evidence from combined Sm-Nd and Lu-Hf isotope analyses of the Sandvik ultramafic body, Norway. Contrib. Mineral. Petrol. 150:131-145. [PDF]
(1030kb).
85. Crosby, HA, Johnson, CM, Roden, EE, and Beard, BL
(2005) Coupled Fe(II)-Fe(III) electron and atom exchange as a mechanism for Fe
isotope fractionation during dissimilatory iron oxide reduction. Environ. Sci.
Technol. 39:6698-6704 [PDF]
(1551kb).
84. Johnson, CM and Beard, BL (2005) Biogeochemical
cycling of iron isotopes. Science 309:1025-1027.
[PDF]
(835kb).
83. Jicha, BR, Singer, BS, Beard, BL, and
Johnson, CM (2005) Contrasting timescales of crystallization and magma storage
beneath the Aleutian Island arc. Earth Planet. Sci. Lett. Letters 236:195-210.
[PDF]
(736kb).
82. Yamaguchi, KE, Johnson, CM, Beard,
BL, and Ohmoto, H (2005) Biogeochemical cycling of iron in the
Archean-Paleoproterozoic Earth: Constraints from iron isotope variations in
sedimentary rocks from the Kaapvaal and Pilbara Cratons,
Spec. Issue on Isotopic Biosignatures, Chem. Geol. 218:135-169.
[PDF]
(888kb).
81. Poulson, RL, Johnson, CM, and Beard, BL (2005)
Evidence of Fe isotope exchange at the nanoparticulate ferrihydrite surface.
Amer Mineral. 90:758-763. [PDF]
(239 kb).
80.
Mahlen, NJ,
Johnson, CM, Baumgartner, LP, and Beard, BL (2005) Provenance of Jurassic Tethyan sediments in the HP/UHP Zermatt-Saas Ophiolite, Western Alps.
Bull. Geol. Soc. Amer. 117:530–544. [PDF]
(498kb).
79. Johnson, CM, Roden, EE,
Welch, SA, and Beard, BL (2005) Experimental constraints on Fe isotope fractionation during
magnetite and Fe carbonate formation coupled to dissimilatory hydrous ferric
oxide reduction. Geochim. Cosmochim. Acta 69: 963-993. Main paper:
[PDF] (1004kb).
Electronic Appendix EA-1 (Details on Methods): [PDF]
(34kb). Electronic Appendix EA-2 (SEM and TEM images of run
products): [PDF]
(3285kb).
78.
Comment-Rely: Medaris, LG, Jr, Singer, BS,
Dott, RH, Jr, Johnson, CM (2005) Detrital Zircon Ages from Early Proterozoic
Quartzites, Wisconsin, Support Rapid Weathering and Deposition of Mature Quartz
Arenites: A Discussion. Journal Geology 113:233–234. Van Wyck, N and
Norman, M (2005) Detrital Zircon Ages from Early Proterozoic Quartzites,
Wisconsin, Support Rapid Weathering and Deposition of Mature Quartz Arenites: A
Reply. Journal Geology 113:235–236. [PDF]
(50kb).
77. Beard, BL and Johnson, CM (2004)
Inter-mineral Fe isotope variations in mantle derived rocks and implications for
the Fe geochemical cycle. Geochim. Cosmochim. Acta. 68:4727-4743.
[PDF]
(438kb).
76. Wiesli, RA, Beard, BL, and Johnson,
CM (2004) Experimental determination of Fe isotope fractionation between aqueous
Fe(II), siderite, and “green rust” in abiotic systems. Chem. Geol.
211:343–362.
[PDF] (1152kb).
75. Jicha, BR, Singer, B, Brophy, JG,
Fournelle, JH, Johnson, CM, Beard, BL, Lapen, TJ, and Mahlen, NJ (2004) Variable
impact of the subducted slab on Aleutian island arc magma sources: evidence from
Sr, Nd, Pb, and Hf isotopes and trace element abundances. Jour. Petrol.
45:1845-1875. [PDF] (2506kb).
74. Severmann, S, Johnson, CM, Beard, BL,
German, CR, Edmonds, HN, Chiba, H, Green, DRH (2004) 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, 36º14'N. Earth
Planet. Sci. Lett. 225: 63-76. [PDF]
(612kb).
73.
Schott, RC, Johnson, CM, and O'Neil, JR (2004) Late Cretaceous tectonic
history of the Sierra-Salinia-Mojave arc as recorded in conglomerates of the
Upper Cretaceous and Paleocene Gualala Formation, northern California Jour.
Geophys. Res. 109:B02204, doi:10.1029/2003JB002845. [PDF]
(941kb).
72. Johnson, C, Beard, B, and Albarède, F
(2004), editors, “Reviews in Mineralogy and Geochemistry: Geochemistry of
Non-Traditional Stable Isotopes”, vol. 55. Cover and Contents:
[PDF]
(444kb).
71. Johnson, C, Beard, B, and Albarède, F
(2004) Chapter 1: Overview and General Concepts. In “Reviews in Mineralogy and
Geochemistry: Geochemistry of Non-Traditional Stable Isotopes” 55:1-24.
[PDF]
(252kb).
70. Albarède, F and Beard, B (2004)
Chapter 4: Analytical Methods for Non-Traditional Isotopes. In “Reviews in
Mineralogy and Geochemistry: Geochemistry of Non-Traditional Stable Isotopes” 55:113-152.
[PDF]
(558kb).
69. Beard, B and Johnson, C (2004)
Chapter 10A: Fe isotope variations in the modern and ancient Earth and other
planetary bodies. In “Reviews in Mineralogy and Geochemistry: Geochemistry of
Non-Traditional Stable Isotopes”. 55:319-357. [PDF]
(810kb).
68. Johnson, C, Beard, B, Roden, E, Newman, D, and
Nealson, K (2004)
Chapter 10B: Isotopic constraints on biogeochemical cycling of Fe. In “Reviews
in Mineralogy and Geochemistry: Geochemistry of Non-Traditional Stable
Isotopes”. 55:359-408. [PDF]
(489kb).
67. Croal, LR, Johnson, CM, Beard, BL,
and Newman, DK (2004) Iron isotope fractionation by Fe(II)-oxidizing
photoautotrophic bacteria. Geochim. Cosmochim. Acta 68:1227–1242.
[PDF]
(331kb).
66. Lapen, TJ, Mahlen, NJ, Johnson, CM,
and Beard, BL (2004) High-precision Lu and Hf isotope analyses of both spiked
and unspiked samples: a new approach. Geochemistry, Geophysics, and Geosystems
(G3) v. 5, no. 1, 31 Jan. 2004 issue (18 pages). Includes
erratum.
[PDF]
(1964kb).
65. Wiesli RA, Beard BL, Taylor, LA, and
Johnson, CM (2003) Space weathering processes on airless bodies: Fe isotope
fractionation In the lunar regolith, Earth Planet. Sci. Lett. 216:457-465.
[PDF]
(444kb).
64. Welch, SA, Beard, BL, Johnson, CM,
and Braterman, PS (2003) Kinetic and equilibrium Fe isotope fractionation
between aqueous Fe(II) and Fe(III). Geochim. Cosmochim. Acta 67:4231-4250.
[PDF]
(358kb).
63. Beard, BL and Johnson, CM (2003) High
and low temperature applications of Fe isotope geochemistry. The Geochemical
News, 117:8-13. [PDF]
(392kb).
62. Lapen, TJ, Johnson, CM, Baumgartner,
LP, Mahlen, NJ, Beard, BL, and Amato, JM (2003) Burial rates during prograde
metamorphism of an ultra-high-pressure terrane: an example from Lago di Cignana,
western Alps, Italy. Earth Planet. Sci. Lett. 215:57-72.
[PDF]
(667kb).
61. Beard, BL, Johnson, CM, Von Damm, KL, Poulson, RL
(2003) Iron isotope constraints on Fe cycling and mass balance in oxygenated
Earth oceans. Geology 31: 629-632. [PDF]
(271kb).
60. Hart, GL, Johnson, CM, Hildreth, W, and Shirey, SB
(2003) New osmium isotope evidence for intra-crustal recycling of crustal
domains with discrete ages. Geology 31: 427-430.
[PDF]
(346kb).
59. Medaris, LG, Jr, Dott, RH, Singer, BS, Naymark, A,
Schott, RC, and Johnson, CM (2003) Late Paleoproterozoic climate, tectonics, and
metamorphism in the southern Lake Superior region and proto-North America:
Evidence from Baraboo interval quartzites. Jour. Geology 111:243-257.
[PDF]
(362kb).
58. Beard, BL, Johnson, CM, Skulan, JL, Nealson, KH,
Cox, L, and Sun, H (2003) Application of Fe isotopes to tracing the geochemical
and biological cycling of Fe. Special issue on Isotopic Record of
Microbially Mediated Processes. Chem. Geol. 195:87-117.
[PDF]
(684kb).
57.
Comment-Reply: Bullen, TD,
White, AF, and Childs, CW (2003) Comment on ‘‘Isotopic fractionation between
Fe(III) and Fe(II) in aqueous solutions’’ by Clark Johnson et al., [Earth
Planet. Sci. Lett. 195 (2002) 141-153]. Earth Planet. Sci. Lett.
206:229-232. Johnson, CM, Brian, BL, Braterman,
PS, and Welch, SA (2003) Reply to Comment on “Isotopic fractionation between
Fe(III) and Fe(II) in aqueous solutions” by Thomas D. Bullen, Arthur F. White
and Cyril W. Childs, Earth Planet. Sci. Lett Earth Planet. Sci. Lett.
206:233-236. [PDF]
(289kb).
56. Johnson, CM, Beard, BL, Beukes, NJ,
Klein, C, and O’Leary, JM (2003) Ancient Geochemical Cycling in the Earth as
Inferred From Fe Isotope Studies of Banded Iron Formations from the Transvaal
Craton. Contrib. Mineral. Petrol. 144:523-547. [PDF]
(1311kb).
55. Skulan JL, Beard BL, Johnson CM (2002) Kinetic and
equilibrium Fe isotope fractionation between aqueous Fe(III) and hematite.
Geochim. et Cosmochim. Acta. 66:2995-3015. [PDF]
(632kb).
54. Hart, GL, Johnson, CM, Shirey, SB, and Clynne, MA
(2002) Osmium isotope constraints on lower crustal recycling and pluton
preservation at Lassen Volcanic Center, CA. Earth Planet. Sci. Lett.,
199:269-285. [PDF] (825kb).
53. Johnson, CM, Skulan, JL, Beard, BL, Sun, H,
Nealson, KH, and Braterman, PS (2002) Isotopic fractionation between Fe(III) and
Fe(II) in aqueous solutions. Earth Planet. Sci. Lett. 195: 141-153. [PDF]
(334kb).
52. Rhodes MK, Carrol AP, Pietras JT,
Beard BL, Johnson CM (2002) Strontium isotope record of paleohydrology and
continental weathering, Eocene Green River Formation, Wyoming. Geology
30:167-170. [PDF] (657kb).
51. Ezzo, JA, and Price, TD (2002). Migration, regional
reorganization, and spatial group composition at Grasshopper Pueblo, Arizona.
Jour. Archaeological Sci. 29:499- 520. [PDF]
(361kb).
50. Schott, RC and Johnson, CM (2001) Garnet-bearing
trondhjemite and other conglomerate clasts from the Gualala basin, California:
Constraints on Eocene provenance, Paleogene tectonics, and Early Cretaceous
magmatism. Geol. Soc. Amer. Bull. 113:870-880. [PDF]
(1404kb).
49. Olsen, SN, Johnson, CM, Beard, BL, and Baumgartner,
LP (2000) New U-Pb zircon data and constraints on the age and mode of
migmatization in the Aar Massif, Central Alps. European Jour. Mineral., 12,
1245-1260. [PDF] (2664kb).
48. Beard, BL and Johnson, CM (2000) Strontium isotope
compositions of skeletal material can determine the birth place and geographic
mobility of animals and humans. Jour. Forensic Sci., Sep. 2000, 1049-1061.
[PDF]
(688kb).
47. Johnson, CM and Winter, BL (1999) Provenance
analysis of Lower Paleozoic cratonic quartz arenites of the northern
Midcontinent region: U-Pb and Sm-Nd isotope geochemistry: Geological Society of
America Bulletin 111, 1723-1738. [PDF]
(1600kb).
46. Johnson, CM and Beard, BL (1999) Correction of
instrumentally-produced mass fractionation during isotopic analysis of Fe by
thermal ionization mass spectrometry. International Journal of Mass
Spectrometry 193, 87-99. [PDF]
(330kb).
45. Beard, B.L., Johnson, C.M., Cox, L., Sun, H., and
Nealson, K.H. (1999) Iron Isotope Biosignatures: Science, 285, 1889-1892.
[PDF]
(103kb).
44. Amato, JM, Johnson, CM, Baumgartner, L, and Beard,
BL (1999) Rapid exhumation of the Zermatt-Saas ophiolite deduced from
high-precision Sm-Nd and Rb-Sr geochronology. Earth and Planet. Sci. Lett.
171:425-438. [PDF] (268kb).
43. Beard, BL and Johnson, CM (1999) High-precision Fe
isotope compositions of lunar and terrestrial materials: Geochimicia et
Cosmochimica Acta 63, 1653-1660. [PDF]
(414kb).
42. Beard, BL, Taylor, LA, Scherer, EE, Johnson, CM,
and Snyder, GA (1998) The source region and melting mineralogy of high- and
low-Ti mare basalts deduced from Lu-Hf isotopic data. Geochim. Cosmochim. Acta
62:525-544. [PDF] (1895kb).
41. Schott, RC and Johnson, CM (1998) Sedimentary
record of the Late Cretaceous thrusting and collapse of the Salinia-Mojave
magmatic arc. Geology 26:327-330. [PDF]
(141kb).
40. Schott, RC and Johnson, CM (1998) Late Cretaceous
to Eocene Gualala basin provenance constraints from conglomerate clasts:
implications for the origin and early evolution of the Salinian block. in
Elder, WP, ed., Geology and tectonics of the Gualala block, northern California.
SEPM Book 84:75-94.
39. Beard B.L. and Johnson CM (1997) Hafnium isotope
evidence for the origin of Cenozoic basaltic lavas from the southwestern United
States. Jour. Geophys. Res. 102, 20149-20178. [PDF]
(3703kb).
38. Ezzo, JA, Johnson, CM, and Price, TD (1997)
Analytical perspectives on prehistoric migration: a case study from east-central
Arizona. Jour. Archaeological Sci. 24:447-466. [PDF]
(596kb).
37. Grupe G, Price, TD, Schroter, P, Sollner F,
Johnson, CM, and Beard, BL (1997) Mobility of Bell Beaker people revealed by
strontium isotope ratios of tooth and bone; a study of southern Bavarian
skeletal remains. Applied Geochemistry 12:517-525. [PDF]
(1059kb).
36. Scherer, EE, Cameron, KL, Johnson, CM, Beard, BL,
Barovich, KM, and Collerson, KD (1997) An improved whole-rock Lu-Hf analytical
method applied to dating Cenozoic events affecting lower crustal xenoliths from
Kilbourne Hole, New Mexico, Chem. Geol. 142:63-78. [PDF]
(1668kb).
35. Van Wyck, N and Johnson, CM (1997) Common lead,
Sm-Nd, and U-Pb constraints on petrogenesis, crustal architecture, and tectonic
setting of the Penokean orogeny (Paleoproterozoic) in Wisconsin. Bull. Geol.
Soc. Amer. 109:799-808. [PDF]
(287kb).
34. Winter, BL, Clark, DL, and Johnson, CM (1997). Late
Cenozoic Sr isotope evolution of the Arctic Ocean: Constraints on water mass
exchange with lower latitude oceans. Deep Sea Research 44:1531-1542. [PDF]
(1314kb).
33. Winter, BL, Johnson, CM, and Clark, DL (1997) Sr,
Nd, and Pb isotope variations of authigenic and silicate sediment components
from the Late Cenozoic Arctic Ocean: Implications for sediment provenance and
source of trace metals in seawater. Geochim. Cosmochim. Acta 61:4181-4200.
[PDF]
(2208kb).
32. Winter, BL, Johnson, CM, and Clark, DL (1997)
Geochemical constraints on the formation of Late Cenozoic ferromanganese
micronodules from the central Arctic Ocean. Marine Geology 138:149-169.
[PDF]
(1855kb).
31. Johnson, CM, Shirey, SB, and Barovich, KM (1996)
New approaches to crustal evolution studies and the origin of granitic rocks
through the Lu-Hf and Re-Os isotope systems: Roy. Soc. Edinburgh-Earth Sciences
87:339-352. Also published as Geological Society of America Special Paper 315.
[PDF]
(2752kb).
30. Winter, BL, Clark, DL, and Johnson, CM (1996)
Elemental and Isotope Geochemistry of Sediment from the Arctic Ocean. The 1994
Arctic Ocean Section: The First Major Scientific Crossing of the Arctic Ocean.
U.S. Army Cold Regions Res. and Engin. Lab., Special Report 96-23: 90-96.
29. Magavern, S, Clark, DL, and Clark, SL (1996) 87Sr/86Sr,
phytoplankton, and the nature of the Late Cretaceous and Early Cenozoic Arctic
Ocean. Marine Geol. 133:183-192. [PDF]
(878kb).
28. Barovich, KM, Beard, BL, Cappel, JM, Johnson, CM,
Kyser, TK, and Morgan BE (1995) A chemical method for hafnium separation from
high-Ti whole-rock and zircon samples. Chem. Geol. 121:303-308.
[PDF]
(441kb).
27. Beard BL, Medaris, LG Jr, Johnson, CM, Jelinek, E,
Tonika, J, and Riciputi LR (1995) Geochronology and geochemistry of eclogites
from the Mariánské Lázne Complex, Czech Republic: Implications for Variscan
Orogenesis. Geol. Rundsch. 84:552-567. [PDF]
(2683kb).
26. Medaris, LG Jr, Beard, BL, Johnson, CM, Valley, JW,
Spicuzza, MJ, and Misar, Z (1995) Garnet pyroxenite and eclogite in the Bohemian
Massif: geochemical evidence for Variscan recycling of subducted lithosphere.
Geol. Rundsch. 84:489-505. [PDF]
(2572kb).
25. Riciputi, LR, Johnson, CM, Sawyer, DA, and Lipman,
PW (1995) Crustal and magmatic evolution in a large multicyclic caldera complex:
isotopic evidence from the central San Juan volcanic field. Jour. Volcanol.
Geotherm. Res. 67:1-28. [PDF]
(3062kb).
24. Walker, JA, Carr, MJ, Patino, LC, Johnson, CM,
Feigenson, MD, and Ward, RL (1995) Abrupt change in magma generation processes
across the Central American arc in southeastern Guatemala: flux-dominated
melting near the base of the wedge to decompression melting near the top of the
wedge. Contrib. Mineral. Petrol. 120:378-390. [PDF]
(2020kb).
23. Winter, BL and Johnson, CM (1995) U-Pb dating of a
carbonate subaerial exposure event. Earth Planet. Sci. Lett. 131:177-187.
[PDF]
(738kb).
22. Winter, BL, Valley, JW, Simo, A, Nadon, GC, and
Johnson, CM (1995) Hydraulic seals and their origin: evidence from stable
isotope geochemistry of dolomites in the Middle Ordovician St. Peter Sandstone,
Michigan Basin. Amer. Assoc. Petrol. Geol. Bull. 79:30-48. [PDF]
(893kb).
21. Winter, BL, Johnson, CM, Simo, A, and Valley, JW
(1995) Paleozoic fluid history of the Michigan Basin: Evidence from dolomite and
anhydrite geochemistry in the Middle Ordovician St. Peter Sandstone. Jour. Sed.
Res. A65:306-320. [PDF] (1335kb).
20. Simo, JA, Johnson, CM, Vandrey, MR, Brown, PE,
Castrogiovanni, E, Drzewiecki, PE, Valley, JW, and Boyer, J (1994) Burial
dolomitization of the Middle Ordovician Glenwood Formation by evaporitic brines,
Michigan Basin. Int. Assoc. Sedimentologists, Spec. Publ. 21:169-186. [PDF]
(2588kb).
19. Price, TD, Johnson, CM, Ezzo, JA, Burton, JH, and
Ericson, J (1994) Residential mobility in the Prehistoric Southwest: a
preliminary study using strontium isotope analysis. Jour. Archaeological Sci.
21:315-330. [PDF] (2334kb).
18. Johnson, CM and Beard, BL (1993) Evidence from
hafnium isotopes for ancient sub-oceanic mantle beneath the Rio Grande rift.
Nature 362:441-444. [PDF]
(472kb).
17. Johnson, CM (1993) Mesozoic and Cenozoic
contributions to crustal growth in the southwestern United States. Earth
Planet. Sci. Lett. 118:75-89. [PDF]
(1281kb).
16. Beard, B.L. and Johnson, C.M. (1993) Hf isotope
composition of late Cenozoic basaltic rocks from NW Colorado, USA: new
constraints on mantle enrichment processes: Earth Planet. Sci.
Lett.119:395-409. [PDF]
(1221kb).
15. Beard, B.L., Medaris, L.G., Jr., Johnson, C.M.,
Brueckner, H.K., and Mísar, Z. (1992) Petrogenesis of Variscan high-temperature
Group A eclogites from the Moldanubian Zone of the Bohemian Massif,
Czechoslovakia: Contrib. Mineral. Petrol. 111:468-483. [PDF]
(2625kb).
14. Johnson, C.M. (1991) Large scale crust formation
and lithosphere modification beneath middle to late Cenozoic caldera complexes,
western North America (invited): Jour. Geophys. Res. 96:13485-13507. [PDF]
(2525kb).
13. Johnson, C.M. and Thompson, R.A. (1991) Isotopic
composition of Oligocene mafic volcanic rocks in the northern Rio Grande rift:
evidence for contributions of ancient intraplate and subduction magmatism to
evolution of the lithosphere: Jour. Geophys. Res. 96:13593-13608. [PDF]
(1771kb).
12. Thompson, R.A., Johnson, C.M., and Mehnert, H.H.
(1991) Oligocene basaltic volcanism of the northern Rio Grande rift: San Luis
Hills, Colorado: Jour. Geophys. Res. 96:13577-13592. [PDF]
(1431kb).
11. Comment-Reply: Johnson, C.M. (1990) Comment on "Lower crustal
evolution under central Arizona: Sr, Nd and Pb isotopic and geochemical
evidence from the mafic xenoliths of Camp Creek" by Esperanca, S., Carlson, R.W.,
and Shirey, S.B.: Earth Planet. Sci. Lett. 99:400-405. Esperanca, S., Carlson, R.W.,
and Shirey, S.B. (1990) Reply to comment by C.M. Johnson. Earth Planet. Sci. Lett. 99:406-409.
[PDF]
(825kb).
10. Riciputi, L.R. and Johnson, C.M. (1990) Nd and Pb
isotope variations in the multicyclic central caldera cluster of the San Juan
volcanic field, Colorado, and implications for crustal hybridization: Geology,
18, 975-978. [PDF]
(465kb).
9. Johnson, C.M., Lipman, P.W., and Czamanske, G.K.
(1990) H, O, Sr, Nd and Pb isotope geochemistry of the Latir volcanic field and
cogenetic intrusions, New Mexico, and relations between evolution of a
continental magmatic center and modifications of the lithosphere: Contrib.
Mineral. Petrol. 104:99-124. [PDF]
(4217kb).
8. Johnson, C.M. and Fridrich, C.J. (1990)
Non-monotonic chemical and O, Sr, Nd, and Pb isotope zonations and heterogeneity
in the mafic- to silicic-composition magma chamber of the Grizzly Peak Tuff,
Colorado: Contrib. Mineral. Petrol. 105:677-690. [PDF]
(2403kb).
7. Johnson, C.M., Shannon, J.R., and Fridrich, C.J.
(1989) Roots of ignimbrite calderas: batholithic plutonism, volcanism, and
mineralization in the southern Rocky Mountains, Colorado and New Mexico: NM
Bur. Mines Mineral. Res. Memoir 46, 275-302. [PDF]
(7138kb).
6. Johnson, C.M. (1989) Isotopic zonations in silicic
magma chambers: Geology 17:1136-1139. [PDF]
(489kb).
5. Johnson, C.M., Czamanske, G.K., and Lipman, P.W.
(1989) Geochemistry of intrusive rocks associated with the Latir volcanic field,
New Mexico, and contrasts between evolution of plutonic and volcanic rocks:
Contrib. Mineral. Petrol. 103:90-109. [PDF]
(3096kb).
4. Johnson, C.M. and Lipman, P.W. (1988) Origin of
metaluminous and alkaline volcanic rocks of the Latir volcanic field, northern
Rio Grande rift, New Mexico: Contrib. Mineral. Petrol. 100:107-128. [PDF]
(3305kb).
3. O'Neil, J.R., Johnson, C.M., White, L.D., and
Roedder, E. (1986) The origin of fluids in the salt beds of the Delaware basin,
New Mexico and Texas: Applied Geochem. 1:265-271. [PDF]
(991kb).
2. Hagstrum, J.T. and Johnson, C.M. (1986) A
paleomagnetic and stable isotope study of the pluton at Rio Hondo near Questa,
New Mexico: implications for CRM related to hydrothermal alteration, Earth
Planet. Sci. Lett. 78:296-314. [PDF]
(1332kb).
1. Johnson, C.M. and O'Neil, J.R. (1984) Triple
junction magmatism: a geochemical study of Neogene volcanic rocks in western
California: Earth Planet. Sci. Lett. 71:241-262. [PDF]
(1522kb).
