A Neoproterozoic snowball earth PF Hoffman, AJ Kaufman, GP Halverson, DP Schrag science 281 (5381), 1342-1346, 1998 | 3204 | 1998 |
Neoproterozoic variations in the C-isotopic composition of seawater: stratigraphic and biogeochemical implications AJ Kaufman, AH Knoll Precambrian research 73 (1-4), 27-49, 1995 | 1566* | 1995 |
A whiff of oxygen before the great oxidation event? AD Anbar, Y Duan, TW Lyons, GL Arnold, B Kendall, RA Creaser, ... Science 317 (5846), 1903-1906, 2007 | 1106 | 2007 |
The abundance of 13C in marine organic matter and isotopic fractionation in the global biogeochemical cycle of carbon during the past 800 Ma JM Hayes, H Strauss, AJ Kaufman Chemical Geology 161 (1-3), 103-125, 1999 | 959 | 1999 |
The Sr, C and O isotopic evolution of Neoproterozoic seawater SB Jacobsen, AJ Kaufman Chemical Geology 161 (1-3), 37-57, 1999 | 945 | 1999 |
Biostratigraphic and geochronologic constraints on early animal evolution JP Grotzinger, SA Bowring, BZ Saylor, AJ Kaufman Science 270 (5236), 598-604, 1995 | 880 | 1995 |
Sedimentary cycling and environmental change in the Late Proterozoic: evidence from stable and radiogenic isotopes LA Derry, AJ Kaufman, SB Jacobsen Geochimica et Cosmochimica Acta 56 (3), 1317-1329, 1992 | 826 | 1992 |
Secular variation in carbon isotope ratios from Upper Proterozoic successions of Svalbard and East Greenland AH Knoll, JM Hayes, AJ Kaufman, K Swett, IB Lambert Nature 321 (6073), 832-838, 1986 | 769 | 1986 |
The Vendian record of Sr and C isotopic variations in seawater: implications for tectonics and paleoclimate AJ Kaufman, SB Jacobsen, AH Knoll Earth and Planetary Science Letters 120 (3-4), 409-430, 1993 | 736 | 1993 |
Pulsed oxidation and biological evolution in the Ediacaran Doushantuo Formation KA McFadden, J Huang, X Chu, G Jiang, AJ Kaufman, C Zhou, X Yuan, ... Proceedings of the National Academy of Sciences 105 (9), 3197-3202, 2008 | 666 | 2008 |
Isotopes, ice ages, and terminal Proterozoic earth history AJ Kaufman, AH Knoll, GM Narbonne Proceedings of the National Academy of Sciences 94 (13), 6600-6605, 1997 | 655 | 1997 |
Isotopic compositions of carbonates and organic carbon from upper Proterozoic successions in Namibia: stratigraphic variation and the effects of diagenesis and metamorphism AJ Kaufman, JM Hayes, AH Knoll, GJB Germs Precambrian Research 49 (3-4), 301-327, 1991 | 493 | 1991 |
Carbon isotope variability across the Ediacaran Yangtze platform in South China: Implications for a large surface-to-deep ocean δ13C gradient G Jiang, AJ Kaufman, N Christie-Blick, S Zhang, H Wu Earth and Planetary Science Letters 261 (1-2), 303-320, 2007 | 461 | 2007 |
Experimental measurement of boron isotope fractionation in seawater K Klochko, AJ Kaufman, W Yao, RH Byrne, JA Tossell Earth and Planetary Science Letters 248 (1-2), 276-285, 2006 | 443 | 2006 |
Late Archean biospheric oxygenation and atmospheric evolution AJ Kaufman, DT Johnston, J Farquhar, AL Masterson, TW Lyons, S Bates, ... Science 317 (5846), 1900-1903, 2007 | 418 | 2007 |
On the initiation of a snowball Earth DP Schrag, RA Berner, PF Hoffman, GP Halverson Geochemistry, Geophysics, Geosystems 3 (6), 1-21, 2002 | 411 | 2002 |
The sulfur isotopic composition of Neoproterozoic seawater sulfate: implications for a snowball Earth? MT Hurtgen, MA Arthur, NS Suits, AJ Kaufman Earth and Planetary Science Letters 203 (1), 413-429, 2002 | 339 | 2002 |
Isotopic evidence for Mesoarchaean anoxia and changing atmospheric sulphur chemistry J Farquhar, M Peters, DT Johnston, H Strauss, A Masterson, U Wiechert, ... Nature 449 (7163), 706-709, 2007 | 327 | 2007 |
Integrated chemostratigraphy and biostratigraphy of the Windermere Supergroup, northwestern Canada: Implications for Neoproterozoic correlations and the early evolution of animals GM Narbonne, AJ Kaufman, AH Knoll Geological Society of America Bulletin 106 (10), 1281-1292, 1994 | 319 | 1994 |
A composite reference section for terminal Proterozoic strata of southern Namibia BZ Saylor, AJ Kaufman, JP Grotzinger, F Urban Journal of Sedimentary Research 68 (6), 1223-1235, 1998 | 313 | 1998 |