Group [internal]




Raven MR, Sessions AL, Fischer WW, Adkins JF (2016) Sedimentary pyrite d34S differs from porewater sulfide in Santa Barbara Basin: proposed role of organic sulfur, Geochimica et Cosmochimica Acta, in press.

Fischer WW, Hemp J, Valentine JS (2016) How did life survive Earth's great oxygenation?, Current Opinion in Chemical Biology, 31, 166-178. pdf

Slotznick SP, Winston D, Webb SM, Kirschvink JL, Fischer WW (2016) Iron mineralogy and redox conditions during deposition of the mid-Proterozoic Appekunny Formation, Belt Supergroup, Glacier National Park, in MacLean JS and Sears JW (eds.), Belt Basin: Window to Mesoproterozoic Earth, Geological Society of America Special Paper, 522, doi:10.1130/2016.2522(09), in press. pdf

Trembath-Reichert E, Ward LM, Slotznick SP, Bachtel SL, Kerans C, Grotzinger JP, Fischer WW (2016) Gene sequencing microbial community analysis of mat morphologies, Caicos Platform, British West Indies, Journal of Sedimentary Research, in press.

Johnson JE, Savalia P, Davis R, Kocar BD, Webb SM, Nealson KH, Fischer WW (2016) Real-time manganese phase dynamics during biological and abiotic manganese oxide reduction, Environmental Science & Technology, doi:10.1021/acs/est5b04834. pdf si

Hemp J, Lücker S, Schott J, Pace LA, Johnson JE, Schink B, Daims H, Fischer WW (2016) Genomics of a phototrophic nitrite oxidizer: Insights into the evolution of photosynthesis and nitrification, ISME Jounal, 1-10, doi:10.1038/ismej.2016.56. pdf sm1 sm2

Slotznick SP, Fischer WW (2016) Examining Archean Methanotrophy, Earth and Planetary Science Letters, 441, 52-59. pdf mmc1

Fischer WW (2016) Breathing room for early animals, Proceedings of the National Academy of Sciences, 113, 1686-1688, doi: 10.1073/pnas.1525100113. pdf

Fischer WW, Hemp J, Johnson JE (2016) Evolution of oxygenic photosynthesis, Annual Review of Earth and Planetary Sciences, 44, in press.

Ward LM, Kirschvink JL, Fischer WW (2016) Timescales of oxygenation following the evolution of oxygenic photosynthesis, Origin of Life and Evolution of Biospheres, 46, 51-65. online 19 Aug, 2015, doi:10.1007/s110084-015-9460-3. pdf

Johnson JE, Webb SM, Ma C, Fischer WW (2016) Manganese mineralogy and diagenesis in the sedimentary rock record, Geochimica et Cosmochimica Acta 173, 210-231. pdf S1 S2 S3 S4 S5 S6 S7 Appendix

Lee C, Love GD, Fischer WW, Grotzinger JP, Halverson GP (2015) Marine organic matter cycling during the Ediacaran Shuram excursion, Geology, online Nov. 6, 2015, doi:10.1130/G37236.1. pdf

Grotzinger JP, Gupta S, Malin MC, Rubin DM, Schieber J, Siebach K, Sumner DY, Stack KM, Vasavada AR, Arvidson RE, Calef III F, Edgar L, Fischer WW, Grant JA, Griffes J, Kah LC, Lamb MP, Lewis KW, Mangold N, Minitti ME, Palucis M, Rice M, E. Williams RME, Yingst RA, Blake D, Blaney D, Conrad P, Crisp J, Dietrich WE, Dromart G, Edgett KS, Ewing RC, Gellert R, Hurowitz JA, Kocurek G, Mahaffy P, McBride MJ, McLennan SM, Mischna M, Ming D, Milliken R, Newsom H, Oehler D, Parker TJ, Vaniman D, Wiens RC, Wilson SA (2015) Deposition, exhumation, and paleoclimate of an ancient lake deposit, Gale Crater, Mars, Science, 350, in press, online Oct. 9, 2015, doi: 10.1126/science.aac7575. pdf sm press press

Present TM, Paris G, Burke A, Fischer WW, Adkins JF (2015) Large carbonate-associated sulfate isotopic variability between brachiopods, micrite, and other sedimentary components in Late Ordovician Strata, Earth and Planetary Science Letters, 432, 187-198. pdf mmc1 mmc2 mmc3 mmc4 mmc5

Ward LM, Hemp J, Pace LA, Fischer WW (2015) Draft genome of Herpetosiphon geysericola GC-42, a non-phototrophic member of the Chloroflexi class Chloroflexia, Genome Announcements, 3, e01352-15. pdf

Hemp J, Ward LM, Pace LA, Fischer WW (2015) Draft genome of Ornatilinea apprima P3M-1, an anaerobic member of the Chloroflexi class Anaerolineae, Genome Announcements, 3, e01353-15. pdf

Ward LM, Hemp J, Pace LA, Fischer WW (2015) Draft genome of Leptolinea tardivitalis YMTK-2, a mesophilic anaerobe from the Chloroflexi class Anaerolineae, Genome Announcements, 3, e01356-15. pdf

Hemp J, Ward LM, Pace LA, Fischer WW (2015) Draft genome of Levilinea saccharolytica KIBI-1, a member of the Chloroflexi class Anaerolineae, Genome Announcements, 3, e01357-15. pdf

Pace LA, Hemp J, Ward LM, Fischer WW (2015) Draft genome of Thermanaerothrix daxensis GNS-1, a thermophilic facultative anaerobe from the Chloroflexi class Anaerolineae, Genome Announcements, 3, e01354-15. pdf

Hemp J, Ward LM, Pace LA, Fischer WW (2015) Draft genome of Ardenticatena maritima 110S, a thermophilic nitrate and iron-reducing member of the Chloroflexi class Ardenticatenia, Genome Announcements, 3, e01347-15. pdf

Slotznick SP, Zieg J, Webb SM, Kirschvink JL, Fischer WW (2015) Iron mineralogy and redox chemistry of the Mesoproterozoic Newland Formation in the Helena Embayment, Belt Supergroup, Montana, Northwest Geology, 44, 55-72. pdf

Trembath-Reichert E, Wilson JW, McGlynn SE, Fischer WW (2015) Four hundred million years of silica biomineralization in land plants, Proceedings of the National Academy of Sciences, 112, 5449-5454. doi: 10.1073/pnas.1500289112. pdf | sd01 | sd02 | sd03 | sd04 | news & views

Stefurak EJT, Lowe DR, Zentner D, Fischer WW (2015) Sedimentology and geochemistry of Archean silica granules, Geological Society of America Bulletin, doi: 10.1130/B31181.1. pdf

Fischer WW, Hemp J, Johnson JE (2015) Manganese and the evolution of photosynthesis, Origin of Life and Evolution of Biospheres, online 29 May, doi: 10.1007/s11084-015-9442-5. pdf

Stefurak EJT, Fischer WW, Lowe DR (2015) Texture-specific Si isotope variations in Barberton Greenstone Belt cherts record low temperature fractionations in early Archean seawater, Geochimica et Cosmochimica Acta, 150, 26-52. pdf | ea

Paris G, Adkins JF, Sessions AL, Webb SM, Fischer WW (2014) Neoarchean carbonate-associated sulfate records positive D33S anomalies, Science, 346, 739-741. pdf | sm | data | perspective

Planavsky NJ, Reinhard CT, Wang X, Thomson D, McGoldrick P, Rainbird RH, Johnson T, Fischer WW, Lyons TW (2014) Low Mid-Proterozoic atmospheric oxygen levels and the delayed rise of animals, Science, 346, 635-638. pdf | sm | s1 | s2

Reinhard CT, Planavsky NJ, Wang X, Fischer WW, Johnson TM, Lyons TW (2014) The isotopic composition of authigenic chromium in anoxic marine sediments: A case study from the Cariaco Basin, Earth and Planetary Science Letters, 407, 9-18. pdf | smt1

Ewing RC, Lamb MP, Eisenman I, Poppick L, Maloof AC, Fischer WW (2014) New constraints on equatorial temperatures during a Late Neoproterozoic snowball Earth glaciation, Earth and Planetary Science Letters, 406, 110-122. pdf | sm

Lanza NL, Fischer WW, Wiens RC, Grotzinger JP, Ollila AM, Cousin A, Anderson RB, Clark BC, Gellert R, Mangold N, Maurice S, Le Mouelic S, Nachon M, Schmidt M, Berger J, Clegg SM, Formi O, Hardgrove C, Melikechi N, Newson HE, Sautter V, High manganese concentrations in rocks at Gale crater, Mars, Geophysical Research Letters, 41, doi:10.1002/2014GL060329. pdf | si | s1 | s2 | a4

Cummins RC, Finnegan S, Fike DA, Eiler JM, Fischer WW (2014) Carbonate clumped isotope constraints on Silurian ocean temperatures and seawater \delta^(18)O, Geochimica et Cosmochimica Acta, 140, 241-258. pdf | mmc1 | mmc2 | mmc3

Fischer WW, Fike DA, Johnson JE, Raub TD, Guan Y, Kirschvink JL, Eiler JM (2014) SQUID-SIMS is a useful approach to uncover primary signals in the Archean sulfur cycle, Proceedings of the National Academy of Sciences, 111, 5468-5473, doi: 10.1073/pnas.1322577111. pdf+si | data

Fischer WW (2014) Breathing life into oxygen, Science, 343, 840. pdf

Milliken RE, Ewing RC, Fischer WW, Hurowitz JA (2014) Wind-blown sandstones cemented by sulfate and clay minerals in Gale Crater, Mars, Geophysical Research Letters, 41, 1149-1154. pdf aux info

Johnson JE, Gerpheide A, Lamb MP, Fischer WW (2014) O2 constraints from Paleoproterozoic detrital pyrite and uraninite, Geological Society of America Bulletin, Published online ahead of print on 27 Feb. 2014, doi: 10.1130/B30949.1. pdf

Stefurak EJT, Lowe DR, Zentner D, Fischer WW (2014) Primary silica granules - A new mode of Paleoarchean sedimentation, Geology, First published online February 10, 2014, doi: 10.1130/G35187.1. pdf

Doughty DM, Dieterle M, Sessions AL, Fischer WW, Newman DK (2014) Probing the subcellular localization of hopanoid lipids in bacteria using NanoSIMS, PLoS One, 9, e84455. pdf

Hurowitz JA, Fischer WW (2014) Contrasting styles of water-rock interaction at the Mars Exploration Rover landing sites, Geochimca et Cosmochimica Acta, 127, 25-38. pdf

Johnson JE, Webb SM, Thomas K, Ono S, Kirschvink JL, Fischer WW (2013) Manganese-oxidizing photosynthesis before the rise of cyanobacteria, Proceedings of the National Academy of Sciences, 108, 11238-11243. pdf+si

Johnson JE, Webb SM, Thomas K, Ono S, Kirschvink JL, Fischer WW (2013) Correcting mistaken views of sedimentary geology, Mn-oxidation rates, and molecular clocks, Proceedings of the National Academy of Sciences, 110, E4119-E41120. pdf

Lee C, Fike DA, Love GD, Session AL, Grotzinger JP, Summons RE, Fischer WW (2013) Carbon isotopes and lipid biomarkers from organic-rich facies of the Shuram Formation, Sultanate of Oman, Geobiology, 11, 406-419. pdf

DiBiase RA, Limaye AB, Scheingross JS, Fischer WW, Lamb MP (2013) Deltaic deposits at Aeolis Dorsa: Sedimentary evidence for a standing body of water on the northern plains of Mars, Journal of Geophysical Research : Planets, 118, 1285-1302. pdf

Hayes AG, Lorenz RD, Donelan MA, Manga M, Lunine JI, Schneider T, Lamb MP, Mitchell JM, Fischer WW, Graves SD, Tolman HL, Aharonson O, Encrenaz PJ, Ventura B, Casarano D, Notarnicola C, the Cassini RADAR Team (2013) Wind driven capillary gravity waves on Titan’s lakes: hard to detect or non-existent?, Icarus, 225, 403-412. pdf

Bontognali TRR, Fischer WW, Foellmi KB (2013) Siliciclastic associated banded iron formation from the 3.2 Ga Moodies Group, Barberton Greenstone Belt, South Africa, Precambrian Research, 226, 116-124. pdf

Bergmann KD, Grotzinger JP, Fischer WW (2013) Biological influences on carbonate seafloor precipitation, Palaios, 28, 99-115. pdf

Finnegan S, Fike DA, Jones DS, Fischer WW (2012) A temperature-dependent positive feedback on the magnitude of carbon isotope excursions, Geoscience Canada, 139, 122-131. pdf

Bontognali TRR, Sessions AL, Allwood AC, Fischer WW, Grotzinger JP, Summons RE, Eiler JM (2012) Sulfur isotopes of organic matter preserved in 3.45 Gyr-old stromatolites reveal microbial metabolism, Proceedings of the National Academy of Sciences, 109, 15146-15151. pdf+si

Rohrssen M, Love GD, Fischer WW, Finnegan S, Fike DA (2012) Lipid biomarkers record fundamental changes in the microbial community structure of tropical seas during the Late Ordovician Hirnantian glaciation, Geology, 41, 127-130, doi: 10.1130/G33671.1. pdf

Halevy I, Peters SE, Fischer WW (2012) Sulfate burial constraints on the Phanerozoic sulfur cycle, Science, 337, 331-334. pdf | sm | data | perspective

Lamb MP, Fischer WW, Raub TD, Perron JT, Myrow P (2012) Origin of giant wave ripples in Snowball Earth cap carbonate, Geology, 40, 827-830. pdf | dr | scripts

Chakrabarti R, Knoll AH, Jacobsen SB, Fischer WW (2012) Si isotope variability in Proterozoic cherts, Geochimica et Cosmochimica Acta, 91, 187-201. pdf

Johnston DT, Fischer WW (2012) Stable isotope geobiology, in AH Knoll, DE Canfield, and KO Konhauser (editors), Fundamentals of Geobiology, First Edition, Blackwell Publishing Ltd., ISBN 978-1-4051-8752-7. pdf | figure 14.8

Wilson JP, Grotzinger JP, Fischer WW, Hand KP, Jensen S, Knoll AH, Abelson J, Metz JM, McLoughlin N, Cohen P, Tice MM (2012) Deep-water incised valley deposits at the Proterozoic-Cambrian boundary in southern Namibia contain abundant Treptichnus pedum, Palaios, 27, 252-273. pdf

Finnegan S, Peters SE, Heim NA, Fischer WW (2012) Climate change and the selective signature of the Late Ordovician mass extinction, Proceedings of the National Academy of Sciences, 109, 6829-6834. pdf+si | data | collections

Halevy I, Fischer WW, Eiler JM (2011) Carbonates in the Martian meteorite Allan Hills 84001 formed at 18 [+/-] 4 degrees C in a near-surface aqueous environment, Proceedings of the National Academy of Sciences, 108, 16895-16899. pdf | si

Knoll AH, Fischer WW (2011) Skeletons and ocean chemistry: the long view, in JP Gattuso, and L Hansson (editors), Ocean Acidification, Oxford University Press, ISBN: 978-0199591091. pdf

Jones DS, Fike DA, Finnegan S, Fischer WW, Schrag DP, McCay D (2011) Terminal Ordovician carbon isotope stratigraphy and glacioeustatic seal-level change across Anticosti Island (Quebec, Canada), Geological Society of America Bulletin, 123, 1645-1664. pdf

Finnegan S, Peters S, Fischer WW (2011) Late Ordovician-Early Silurian selective extinction patterns in Laurentia and their relationship to climate change, In: JC Gutiérrez-Marco, I Rábano, D García-Bellido (editors), Ordovician of the World, Cuadernos del Museo Geominero, 14, Instituto Geologico y Minero de España, Madrid, ISBN 978-84-7840-857-3, 155-159. pdf

Bergmann KD, Zentmyer RA, Fischer WW (2011) The stratigraphic expression of a large negative
carbon isotope excursion from the Ediacaran Johnnie Formation, Death Valley, Precambrian
, 188, 45-56. pdf | figure S1 | table S1

Wilson JP, Fischer W (2011) Geochemical support for a climbing habit within the Paleozoic seed fern genus Medullosa, International Journal of Plant Sciences, 172, 586-598. pdf

Grotzinger JP, Fike DA, Fischer WW (2011) Enigmatic origin of the largest known carbon isotope
excursion in Earth’s history, Nature Geoscience, 4, 285-292. pdf

Finnegan S, Bergmann K, Eiler JM, Jones DS, Fike DA, Eisenman I, Hughes NC, Tripati AK, Fischer WW (2011) The magnitude and duration of Late Ordovician-Early Silurian glaciation, Science, 331, 903-906. pdf | som

Wilson JP, Fischer WW (2011) Hydraulics of Asteroxylon mackei, an early Devonian vascular plant, and the early evolution of water transport tissue in terrestrial plants, Geobiology, 9, 121-130. pdf

Hurowitz JA, Fischer WW, Tosca NJ, Milliken RE (2010) Origin of acidic surface waters and the evolution of atmospheric chemistry on early Mars, Nature Geoscience, 3, 323-326. pdf | si

Wilson JP, Fischer WW, Johnston DT, Knoll AH, Grotzinger JP, Walter MR, McNaughton NJ, Simon M, Abelson J, Schrag DP, Summons R, Allwood A, Andres M, Gammon C, Garvin J, Rashby S, Schweizer M, Watters WA (2010) Geobiology of the Late Paleoproterozoic Duck Creek Formation, Western Australia, Precambrian Research, 179, 135-149. pdf

Pruss SB, Finnegan S, Fischer WW, Knoll AH (2010) Carbonates in skeleton-poor seas: new insights from Cambrian and Ordovician strata of Laurentia, Palaios, 25, 73-84. pdf

Higgins JA, Fischer WW, Schrag DP (2009) Oxygenation of the ocean and sediments: Consequences for the seafloor carbonate factory, Earth and Planetary Science Letters, 284, 25-33. pdf

Milliken RE, Fischer WW, Hurowitz JA (2009) Missing salts on early Mars, Geophysical Research Letters, 36, L11202, doi:10.1029/2009GL038558. pdf

Fischer WW, Schroeder S, Lacassie JP, Beukes NJ, Goldberg T, Strauss H, Horstmann UE, Schrag DP, Knoll AH (2009) Isotopic constraints on the Late Archean carbon cycle from the Transvaal Supergroup along the western margin of the Kaapvaal Craton, South Africa. Precambrian Research, 169, 15-27. pdf

Fischer WW, Knoll AH (2009) An iron shuttle for deep-water silica in Late Archean and Early Paleoproterozoic iron formation, Geological Society of America Bulletin, 121, 222-235. pdf

Fischer WW (2008) Life before the rise of oxygen. Nature, 455, 1051-1052. pdf

Pruss SB, Corsetti FA, Fischer WW (2008) Seafloor-precipitated carbonate fans in the Neoproterozoic Rainstorm Member, Johnnie Formation, Death Valley Region, US, Sedimentary Geology, 207, 34-40. pdf

Fischer WW, Pearson AP (2007) Hypotheses for the origin and early evolution of triterpenoid cyclases., Geobiology, 5, 19-34. pdf

Pearson AP, Flood Page SR, Jorgenson TL, Fischer WW, Higgins MB (2007) Novel hopanoid cyclases from the environment. Environmental Microbiology, 9, 2175-2188. pdf

Knoll AH, Bambach RK, Payne JL, Pruss S, Fischer WW (2007) Paleophysiology and the end-Permian mass extinction. Earth and Planetary Science Letters, 256, 295-313. pdf

Fischer WW, Summons RE, Pearson AP (2005) Targeted genomic detection of biosynthetic pathways: anaerobic production of hopanoid biomarkers by a common sedimentary microbe. Geobiology, 3, 33-40. pdf

Knoll AH, Carr M, Clark B, Des Marais DJ, Farmer JD, Fischer WW, Grotzinger JP, McLennan SM, Malin M, Schroder C, Squyres S, Tosca N, Wdowiak T (2005) An astrobiological perspective on Meridiani Planum. Earth and Planetary Science Letters, 240, 179-189. pdf

Myrow, PM, Pope M, Goodge JW, and Fischer, W (2002) Depositional history of pre-Devonian strata and timing of Ross Orogenic tectonism in the central Transantarctic Mountains. Geological Society of America Bulletin, 114, 1070-1088. pdf

Myrow, PM, Fischer, W, and Goodge, JW (2002) Wave-modified turbidites: combined-flow shoreline and shelf deposits, Cambrian, Central Transantarctic Mountains. Journal of Sedimentary Research, 72, 641-656. pdf