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Hiroshi Ohmoto - Publications

Pennsylvania State University, State College, PA, United States 
Geochemistry, Atmospheric Science Physics

91 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2010 Otake T, Wesolowski DJ, Anovitz LM, Allard LF, Ohmoto H. Mechanisms of iron oxide transformations in hydrothermal systems Geochimica Et Cosmochimica Acta. 74: 6141-6156. DOI: 10.1016/J.Gca.2010.07.024  1
2009 Watanabe Y, Farquhar J, Ohmoto H. Anomalous fractionations of sulfur isotopes during thermochemical sulfate reduction. Science (New York, N.Y.). 324: 370-3. PMID 19372427 DOI: 10.1126/Science.1169289  1
2009 Hoashi M, Bevacqua DC, Otake T, Watanabe Y, Hickman AH, Utsunomiya S, Ohmoto H. Primary haematite formation in an oxygenated sea 3.46 billion years ago Nature Geoscience. 2: 301-306. DOI: 10.1038/Ngeo465  1
2009 Kato Y, Suzuki K, Nakamura K, Hickman AH, Nedachi M, Kusakabe M, Bevacqua DC, Ohmoto H. Hematite formation by oxygenated groundwater more than 2.76 billion years ago Earth and Planetary Science Letters. 278: 40-49. DOI: 10.1016/J.Epsl.2008.11.021  1
2008 Ohmoto H, Runnegar B, Kump LR, Fogel ML, Kamber B, Anbar AD, Knauth PL, Lowe DR, Sumner DY, Watanabe Y. Biosignatures in ancient rocks: a summary of discussions at a field workshop on biosignatures in ancient rocks. Astrobiology. 8: 883-95. PMID 19025466 DOI: 10.1089/Ast.2008.0257  1
2008 Hayashi KI, Naraoka H, Ohmoto H. Oxygen isotope study of Paleoproterozoic banded iron formation, Hamersley basin, Western Australia Resource Geology. 58: 43-51. DOI: 10.1111/J.1751-3928.2007.00047.X  1
2008 Lasaga AC, Otake T, Watanabe Y, Ohmoto H. Anomalous fractionation of sulfur isotopes during heterogeneous reactions Earth and Planetary Science Letters. 268: 225-238. DOI: 10.1016/J.Epsl.2008.01.016  1
2008 Otake T, Lasaga AC, Ohmoto H. Ab initio calculations for equilibrium fractionations in multiple sulfur isotope systems Chemical Geology. 249: 357-376. DOI: 10.1016/J.Chemgeo.2008.01.020  1
2007 Otake T, Wesolowski DJ, Anovitz LM, Allard LF, Ohmoto H. Experimental evidence for non-redox transformations between magnetite and hematite under H2-rich hydrothermal conditions Earth and Planetary Science Letters. 257: 60-70. DOI: 10.1016/J.Epsl.2007.02.022  1
2007 Yamaguchi KE, Johnson CM, Beard BL, Beukes NJ, Gutzmer J, Ohmoto H. Isotopic evidence for iron mobilization during Paleoproterozoic lateritization of the Hekpoort paleosol profile from Gaborone, Botswana Earth and Planetary Science Letters. 256: 577-587. DOI: 10.1016/J.Epsl.2007.02.010  1
2006 Ohmoto H, Watanabe Y, Ikemi H, Poulson SR, Taylor BE. Sulphur isotope evidence for an oxic Archaean atmosphere. Nature. 442: 908-11. PMID 16929296 DOI: 10.1038/Nature05044  1
2006 Yamaguchi KE, Ohmoto H. Comment on "Iron isotope constraints on the Archean and Paleoproterozoic ocean redox state". Science (New York, N.Y.). 311: 177; author reply 17. PMID 16410508 DOI: 10.1126/science.1118221  1
2006 Yamaguchi KE, Ohmoto H. Geochemical and isotopic constraints on the origin of Paleoproterozoic red shales of the Gamagara/Mapedi Formation, Postmasburg Group, South Africa South African Journal of Geology. 109: 123-138. DOI: 10.2113/gssajg.109.1-2.123  1
2006 Kesler SE, Ohmoto H. Memoir of the Geological Society of America: Preface Memoir of the Geological Society of America. 198. DOI: 10.1130/978-0-8137-1198-0.v  1
2006 Ohmoto H, Watanabe Y, Yamaguchi KE, Naraoka H, Haruna M, Kakegawa T, Hayashi KI, Kato Y. Chemical and biological evolution of early Earth: Constraints from banded iron formations Memoir of the Geological Society of America. 198: 291-333. DOI: 10.1130/2006.1198(17)  1
2006 Kato Y, Yamaguchi KE, Ohmoto H. Rare earth elements in precambrian banded iron formations: Secular changes of Ce and Eu anomalies and evolution of atmospheric oxygen Memoir of the Geological Society of America. 198: 269-289. DOI: 10.1130/2006.1198(16)  1
2006 Yamaguchi KE, Ohmoto H. Evidence from sulfur isotope and trace elements in pyrites for their multiple post-depositional processes in uranium ores at the Stanleigh Mine, Elliot Lake, Ontario, Canada Memoir of the Geological Society of America. 198: 143-156. DOI: 10.1130/2006.1198(08)  1
2006 Ishihara S, Ohmoto H, Anhaeusser CR, Imai A, Robb LJ. Discovery of the oldest oxic granitoids in the Kaapvaal Craton and its implications for the redox evolution of early Earth Memoir of the Geological Society of America. 198: 67-80. DOI: 10.1130/2006.1198(04)  1
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  1
2005 Nedachi Y, Nedachi M, Bennett G, Ohmoto H. Geochemistry and mineralogy of the 2.45 Ga Pronto paleosols, Ontario, Canada Chemical Geology. 214: 21-44. DOI: 10.1016/J.Chemgeo.2004.08.026  1
2004 Ohmoto H, Watanabe Y, Kumazawa K. Evidence from massive siderite beds for a CO2-rich atmosphere before approximately 1.8 billion years ago. Nature. 429: 395-9. PMID 15164058 DOI: 10.1038/Nature02573  1
2004 Ohmoto H, Spangler KR, Watanabe Y, Kamei G. Smectite dissolution kinetics in high-alkaline conditions Materials Research Society Symposium Proceedings. 807: 723-728. DOI: 10.1557/Proc-807-723  1
2004 Jiménez-López C, Romanek CS, Huertas FJ, Ohmoto H, Caballero E. Oxygen isotope fractionation in synthetic magnesian calcite Geochimica Et Cosmochimica Acta. 68: 3367-3377. DOI: 10.1016/j.gca.2003.11.033  1
2004 Watanabe Y, Stewart BW, Ohmoto H. Organic- and carbonate-rich soil formation ∼2.6 billion years ago at Schagen, East Transvaal district, South Africa Geochimica Et Cosmochimica Acta. 68: 2129-2151. DOI: 10.1016/J.Gca.2003.10.036  1
2004 Chu X, Ohmoto H, Cole DR. Kinetics of sulfur isotope exchange between aqueous sulfide and thiosulfate involving intra- and intermolecular reactions at hydrothermal conditions Chemical Geology. 211: 217-235. DOI: 10.1016/J.Chemgeo.2004.06.013  1
2003 Ohmoto H. Nonredox transformations of magnetite-hematite in hydrothermal systems Economic Geology. 98: 157-161. DOI: 10.2113/Gsecongeo.98.1.157  1
2003 Haruna M, Hanamuro T, Uyeda K, Fujimaki H, Ohmoto H. Chemical, isotopic, and fluid inclusion evidence for the hydrothermal alteration of the footwall rocks of the BIF-hosted iron ore deposits in the Hamersley District, Western Australia Resource Geology. 53: 75-88. DOI: 10.1111/J.1751-3928.2003.Tb00160.X  1
2003 Ohmoto H. Banded iron formations and the evolution of the atmosphere, hydrosphere, biosphere and lithosphere Transactions of the Institution of Mining and Metallurgy, Section B: Applied Earth Science. 112.  1
2002 Beukes NJ, Dorland H, Gutzmer J, Nedachi M, Ohmoto H. Tropical laterites, life on land, and the history of atmospheric oxygen in the Paleoproterozoic Geology. 30: 491-494. DOI: 10.1130/0091-7613(2002)030<0491:Tllola>2.0.Co;2  1
2002 Lasaga AC, Ohmoto H. The oxygen geochemical cycle: Dynamics and stability Geochimica Et Cosmochimica Acta. 66: 361-381. DOI: 10.1016/S0016-7037(01)00685-8  1
2002 Yoshida T, Hayashi KI, Ohmoto H. Dissolution of iron hydroxides by marine bacterial siderophore Chemical Geology. 184: 1-9. DOI: 10.1016/S0009-2541(01)00297-2  1
2001 Ohmoto H, Yamaguchi KE, Ono S. Questions regarding Precambrian sulfur isotope fractionation. Science (New York, N.Y.). 292: 1959. PMID 11408623 DOI: 10.1126/Science.292.5524.1959A  1
2001 Hayashi KI, Shibata H, Yui M, Ohmoto H. Experimental study assessing the role of sedimentary organic materials to control the redox state of groundwater: Consumption of dissolved oxygen by humic acid Resource Geology. 51: 45-54. DOI: 10.1111/J.1751-3928.2001.Tb00080.X  1
2000 Watanabe Y, Martini JE, Ohmoto H. Geochemical evidence for terrestrial ecosystems 2.6 billion years ago. Nature. 408: 574-8. PMID 11117742 DOI: 10.1038/35046052  1
2000 Liu Y, Naraoka H, Hayashi KI, Ohmoto H. Laser microprobe technique for stable carbon isotope analyses of organic carbon in sedimentary rocks Geochemical Journal. 34: 195-205. DOI: 10.2343/Geochemj.34.195  1
2000 Kakegawa T, Kasahara Y, Hayashi KI, Ohmoto H. Sulfur and carbon isotope analyses of the 2.7 Ga Jeerinah Formation, Fortescue Group, Australia Geochemical Journal. 34: 121-133. DOI: 10.2343/Geochemj.34.121  1
1999 Ohmoto H. Redox state of the archean atmosphere: Evidence from detrital heavy minerals in ca. 3250-2750 Ma sandstones from the pilbara Craton, Australia: Comment Geology. 27: 1151-1152. DOI: 10.1130/0091-7613(1999)027<1151:RSOTAA>2.3.CO;2  1
1999 Kojima S, Hanamuro T, Hayashi K, Haruna M, Ohmoto H. Sulphide minerals in Early Archean chemical sedimentary rocks of the eastern Pilbara district, Western Australia Mineralogy and Petrology. 64: 219-235. DOI: 10.1007/Bf01226570  1
1999 Kakegawa T, Ohmoto H. Sulfur isotope evidence for the origin of 3.4 to 3.1 Ga pyrite at the Princeton gold mine, Barberton Greenstone Belt, South Africa Precambrian Research. 96: 209-224.  1
1998 Kakegawa T, Kawai H, Ohmoto H. Origins of pyrites in the ~2.5 Ga Mt. McRae Shale, the Hamersley District, Western Australia Geochimica Et Cosmochimica Acta. 62: 3205-3220. DOI: 10.1016/S0016-7037(98)00229-4  1
1997 Hayashi KI, Fujisawa H, Holland HD, Ohmoto H. Geochemistry of approximately 1.9 Ga sedimentary rocks from northeastern Labrador, Canada. Geochimica Et Cosmochimica Acta. 61: 4115-37. PMID 11540490 DOI: 10.1016/S0016-7037(97)00214-7  1
1997 Ohmoto H. Evidence in pre-2.2 Ga paleosols for the early evolution of atmospheric oxygen and terrestrial biota: comment and reply Geology. 25: 858-859. PMID 11540483  1
1997 Holland HD, Rye R. Evidence in pre-2.2 Ga paleosols for the early evolution of atmospheric oxygen and terrestrial biota: comment and reply Geology. 25: 857-8. PMID 11540482 DOI: 10.1130/0091-7613(1997)025<0857:Eipgpf>2.3.Co;2  0.56
1997 Watanabe Y, Naraoka H, Wronkiewicz DJ, Condie KC, Ohmoto H. Carbon, nitrogen, and sulfur geochemistry of Archean and Proterozoic shales from the Kaapvaal Craton, South Africa Geochimica Et Cosmochimica Acta. 61: 3441-3459. DOI: 10.1016/S0016-7037(97)00164-6  1
1996 Ohmoto H. Evidence in pre-2.2 Ga paleosols for the early evolution of atmospheric oxygen and terrestrial biota Geology. 24: 1135-1138. DOI: 10.1130/0091-7613(1996)024<1135:Eipgpf>2.3.Co;2  1
1996 Naraoka H, Ohtake M, Maruyama S, Ohmoto H. Non-biogenic graphite in 3.8-Ga metamorphic rocks from the Isua district, Greenland Chemical Geology. 133: 251-260. DOI: 10.1016/S0009-2541(96)00076-9  1
1996 Ohmoto H. Formation of volcanogenic massive sulfide deposits: The Kuroko perspective Ore Geology Reviews. 10: 135-177. DOI: 10.1016/0169-1368(95)00021-6  1
1996 Haruna M, Ohmoto H. Oxygen and carbon isotope studies on the skarn-type ores at the Tengumori copper deposit of the Kamaishi mine, Northeastern Japan Resource Geology. 46: 125-136.  1
1995 Poulson SR, Ohmoto H, Ross TP. Stable isotope geochemistry of waters and gases (CO2, CH4) from the overpressured Morganza and Moore-Sams fields, Louisiana Gulf Coast Applied Geochemistry. 10: 407-417. DOI: 10.1016/0883-2927(95)00014-B  1
1994 Graham UM, Ohmoto H. Experimental study of formation mechanisms of hydrothermal pyrite Geochimica Et Cosmochimica Acta. 58: 2187-2202. DOI: 10.1016/0016-7037(94)90004-3  1
1994 Ohmoto H, Hayashi KI, Kajisa Y. Experimental study of the solubilities of pyrite in NaCl-bearing aqueous solutions at 250-350°C Geochimica Et Cosmochimica Acta. 58: 2169-2185. DOI: 10.1016/0016-7037(94)90003-5  1
1994 Logsdon MJ, Ohmoto H. The special issue in honor of Heinrich D. Holland. Associate editor Hiroshi Ohmoto Pennsylvania State University, USA and Tohoku University, Sendai, Japan Geochimica Et Cosmochimica Acta. 58: 2153-2156. DOI: 10.1016/0016-7037(94)90001-9  1
1993 Ohmoto H, Kakegawa T, Lowe DR. 3.4-Billion-year-old biogenic pyrites from Barberton, South Africa: sulfur isotope evidence. Science (New York, N.Y.). 262: 555-7. PMID 11539502 DOI: 10.1126/Science.11539502  1
1993 Chu Xuelei, Ohmoto H. The role of polysulfides and the mechanism of isotopic exchanges in aqueous sulfide-thiosulfate system Acta Petrologica Sinica. 9: 255-266.  1
1992 Cole DR, Ohmoto H, Jacobs GK. Isotopic exchange in mineral-fluid systems: III. Rates and mechanisms of oxygen isotope exchange in the system granite-H2O ± NaCl ± KCl at hydrothermal conditions Geochimica Et Cosmochimica Acta. 56: 445-466. DOI: 10.1016/0016-7037(92)90144-8  1
1991 Ohmoto H, Hayashi K, Onuma K, Tsukamoto K, Kitakaze A, Nakano Y, Yamamoto Y. Solubility and reaction kinetics of solution-solid reactions determined by in situ observations Nature. 351: 634-636. DOI: 10.1038/351634A0  1
1991 Hayashi Ki, Ohmoto H. Solubility of gold in NaCl-and H2S-bearing aqueous solutions at 250-350°C Geochimica Et Cosmochimica Acta. 55: 2111-2126. DOI: 10.1016/0016-7037(91)90091-I  1
1991 Poulson SR, Kubilius WP, Ohmoto H. Geochemical behavior of sulfur in granitoids during intrusion of the South Mountain batholith, Nova Scotia, Canada Geochimica Et Cosmochimica Acta. 55: 3809-3830. DOI: 10.1016/0016-7037(91)90076-H  1
1991 Xue-lei C, Ohmoto H. Kinetics of isotope exchange reactions involving intra- and intermolecular reactions: I. Rate law for a system with two chemical compounds and three exchangeable atoms Geochimica Et Cosmochimica Acta. 55: 1953-1961. DOI: 10.1016/0016-7037(91)90035-4  1
1990 Kamilli RJ, Ohmoto H. Discussions: Crystallization and recrystallization of growth-zoned vein quartz crystals from epithermal systems-implications for fluid inclusion studies-a discussion Economic Geology. 85: 1084-1085. DOI: 10.2113/Gsecongeo.85.5.1084  1
1990 Haruna M, Ueno H, Ohmoto H. Development of Skarn-Type Ores at the Tengumori Copper Deposit of the Kamaishi Mine, Iwate Prefecture, Northeastern Japan Mining Geology. 40: 223-244. DOI: 10.11456/Shigenchishitsu1951.40.223  0.32
1990 Poulson SR, Ohmoto H. An evaluation of the solubility of sulfide sulfur in silicate melts from experimental data and natural samples Chemical Geology. 85: 57-75. DOI: 10.1016/0009-2541(90)90123-O  1
1990 Whelan JF, Rye RO, De Lorraine W, Ohmoto H. Isotopic geochemistry of a mid-Proterozoic evaporite basin: Balmat, New York American Journal of Science. 290: 396-424.  1
1989 Gauthier-Lafaye F, Weber F, Ohmoto H. Natural fission reactors of Oklo Economic Geology. 84: 2286-2295. DOI: 10.2113/gsecongeo.84.8.2286  1
1989 Eldridge CS, Walshe JL, Compston W, Williams IS, Both RA, Ohmoto H. Sulfur isotope variability in sediment-hosted massive sulfide deposits as determined using the ION microprobe shrimp: I. An example from the rammelsberg orebody - A reply Economic Geology. 84: 453-457. DOI: 10.2113/Gsecongeo.84.2.453  1
1989 Poulson SR, Ohmoto H. Devolatilization equilibria in graphite-pyrite-pyrrhotite bearing pelites with application to magma-pelite interaction Contributions to Mineralogy and Petrology. 101: 418-425. DOI: 10.1007/Bf00372215  1
1989 Hoy LD, Ohmoto H. Constraints for the genesis of redbed-associated stratiform Cu deposits from sulphur and carbon mass-balance relations Geological Association of Canada Special Paper. 36: 135-149.  1
1988 Eldridge CS, Bourcier WL, Ohmoto H, Barnes HL. Hydrothermal inoculation and incubation of the chalcopyrite disease in sphalerite Economic Geology. 83: 978-989. DOI: 10.2113/Gsecongeo.83.5.978  1
1988 Ohmoto H, Felder RP. Bacterial activity in the warmer, sulphate-bearing, Archaean oceans Nature. 328: 244-246. DOI: 10.1038/328244A0  1
1987 Cole DR, Mottl MJ, Ohmoto H. Isotopic exchange in mineral-fluid systems. II. Oxygen and hydrogen isotopic investigation of the experimental basalt-seawater system Geochimica Et Cosmochimica Acta. 51: 1523-1538. DOI: 10.1016/0016-7037(87)90334-6  1
1986 Wesolowski D, Ohmoto H. Calculated oxygen isotope fractionation factors between water and the minerals scheelite and powellite Economic Geology. 81: 471-477. DOI: 10.2113/Gsecongeo.81.2.471  1
1986 Ohmoto H. Stable isotope geochemistry of ore deposits Stable Isotopes in High Temperature Geological Processes. 491-559.  1
1986 Cole DR, Ohmoto H. Kinetics of isotopic exchange at elevated temperatures and pressures Stable Isotopes in High Temperature Geological Processes. 41-90.  1
1986 Rose AW, Smith AT, Lustwerk RL, Ohmoto H, Hoy LD. Geochemical aspects of stratiform and red-bed copper deposits in the Catskill formation (Pennsylvania, USA) and Redstone area (Canada). Sequence of mineralization in sedimemt-hosted copper deposits (Part 3) Geology and Metallogeny of Copper Deposits. 412-421.  1
1985 Drummond SE, Ohmoto H. Chemical evolution and mineral deposition in boiling hydrothermal systems Economic Geology. 80: 126-147. DOI: 10.2113/Gsecongeo.80.1.126  1
1984 Wesolowski D, Drummond SE, Mesmer RE, Ohmoto H. Hydrolysis equilibria of tungsten(VI) in aqueous sodium chloride solutions to 300 °C Inorganic Chemistry. 23: 1120-1132.  1
1983 Cole DR, Ohmoto H, Lasaga AC. Isotopic exchange in mineral-fluid systems. I. Theoretical evaluation of oxygen isotopic exchange accompanying surface reactions and diffusion Geochimica Et Cosmochimica Acta. 47: 1681-1693. DOI: 10.1016/0016-7037(83)90018-2  1
1982 Ohmoto H, Lasaga AC. Kinetics of reactions between aqueous sulfates and sulfides in hydrothermal systems Geochimica Et Cosmochimica Acta. 46: 1727-1745. DOI: 10.1016/0016-7037(82)90113-2  1
1982 Kusakabe M, Chiba H, Ohmoto H. Stable isotopes and fluid inclusion study of anhydrite from the East Pacific Rise at 21oN Geochemical Journal. 16: 89-95.  1
1981 Styrt MM, Brackmann AJ, Holland HD, Clark BC, Pisutha-Arnond V, Eldridge CS, Ohmoto H. The mineralogy and the isotopic composition of sulfur in hydrothermal sulfide/sulfate deposits on the East Pacific Rise, 21°N latitude Earth and Planetary Science Letters. 53: 382-390. DOI: 10.1016/0012-821X(81)90042-X  1
1980 McLimans RK, Barnes HL, Ohmoto H. Sphalerite stratigraphy of the upper Mississippi valley zinc-lead district, Southwest Wisconsin Economic Geology. 75: 351-361. DOI: 10.2113/gsecongeo.75.3.351  1
1979 Ripley EM, Ohmoto H. A FORTRAN program for plotting mineral stabilities in the FeCuSO system in terms of log ( ΣSO4 ΣH2S) or log fO2 vs pH or T Computers and Geosciences. 5: 289-300. DOI: 10.1016/0098-3004(79)90025-6  1
1979 Ripley EM, Ohmoto H. Oxygen and hydrogen isotopic studies of ore deposition and metamorphism at the Raul mine, Peru Geochimica Et Cosmochimica Acta. 43: 1633-1643. DOI: 10.1016/0016-7037(79)90182-0  1
1974 Ohmoto H, Rye RO. Hydrogen and oxygen isotopic compositions of fluid inclusions in the Kuroko Deposits, Japan Economic Geology. 69: 947-953. DOI: 10.2113/Gsecongeo.69.6.947  1
1974 Rye RO, Ohmoto H. Sulfur and carbon isotopes and ore genesis: A review Economic Geology. 69: 826-842. DOI: 10.2113/Gsecongeo.69.6.826  1
1974 Rye RO, Hall WE, Ohmoto H. Carbon, hydrogen, oxygen, and sulfur isotope study of the Darwin lead-silver-zinc deposit, Southern California Economic Geology. 69: 468-481. DOI: 10.2113/Gsecongeo.69.4.468  1
1973 Robinson BW, Ohmoto H. Mineralogy, fluid inclusions, and stable isotopes of the echo bay U-Ni-Ag-Cu deposits, Northwest Territories, Canada Economic Geology. 68: 635-656. DOI: 10.2113/Gsecongeo.68.5.635  1
1972 Ohmoto H. Systematics of sulfur and carbon isotopes in hydrothermal ore deposits Economic Geology. 67: 551-578. DOI: 10.2113/Gsecongeo.67.5.551  1
1970 Ohmoto H, Rye RO. The bluebell mine, British Columbia. I. Mineralogy, paragenesis, fluid inclusions, and the isotopes of hydrogen, oxygen, and carbon Economic Geology. 65: 417-437. DOI: 10.2113/Gsecongeo.65.4.417  1
1966 Ohmoto H, Hart SR, Holland HD. Studies in the providencia area, mexico, ii, k-ar and rb-sr ages of intrusive rocks and hydrothermal minerals Economic Geology. 61: 1205-1213. DOI: 10.2113/gsecongeo.61.7.1205  1
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