Publications
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HOFFMAN P.F., KAUFMAN A.J., HALVERSON G.P. and SCHRAG D.P. (1998) A Neoproterozoic snowball earth. Science 281: 1342-1346.
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HOFFMAN P.F., KAUFMAN A.J. and HALVERSON G.P. (1998) Comings and goings of global glaciation on a Neoproterozoic tropical platform in Namibia. GSA Today 8: 1-9.
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KAUFMAN A.J., KNOLL A.H. and NARBONNE G.M. (1997) Isotopes, ice ages, and
terminal Proterozoic earth history. Proceedings of the National Academy
of Sciences 94: 6600-6605.
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XIAO S., KNOLL A.H., KAUFMAN A.J., YIN L. and ZHANG Y., Neoproterozoic
fossils in Mesoproterozoic rocks? A stratigraphic conundrum from the North
China Platform (Precambrian Research).
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KAUFMAN A.J. (1997) Isotopic analyses of Chinese Scholars' Rocks.
In Worlds Within Worlds: The Richard Rosenblum Collection of Chinese Scholars'
Rocks (ed. Robert D. Mowry). Harvard University Art Museums, pp.
145-148.
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KAUFMAN A.J. (1997) An ice age in the tropics. Nature 385: 227-228.
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KNOLL A.H., KAUFMAN A.J., SEMIKHATOV M., GROTZINGER J.P. and ADAMS W.R.
(1997) Reply: Sizing up the sub-Tommotian unconformity
in Siberia. Geology 25: 287.
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KAUFMAN A.J., KNOLL A.H., SEMIKHATOV M., GROTZINGER J.P., JACOBSEN S.B.
and ADAMS W.R. (1996) Isotopic chemostratigraphy of Precambrian-Cambrian
boundary beds in the Western Anabar Region, Northern Siberia. Geological
Magazine 133: 509-533.
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KNOLL A.H., KAUFMAN A.J., SEMIKHATOV M.A., GROTZINGER J.P. and ADAMS W.
(1996) Reply: Sizing up the sub-Tommotian unconformity in Siberia.
Geology 24: 861-862.
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KAUFMAN A.J. (1996) Effects of contact metamorphism on banded iron-formation:
Mineralogic and isotopic evidence. Precambrian Research (Special
Issue on the Geology and Geochemistry of the Transvaal Supergroup) 79:
171-193.
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KAUFMAN A.J. and DANIELSON A. (1996) Preface. Precambrian Research
(Special Issue on the Geology and Geochemistry of the Transvaal Supergroup)
79: 1-2.
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PELECHATY S., KAUFMAN A.J. and GROTZINGER J.P. (1996) Evaluation of d13C
isotope stratigraphy for intrabasinal correlation: Data from Vendian strata
of the Olenek uplift and Kharaulakh Mountains, Siberian platform, Russia.
Geological Society of America Bulletin 108: 992-1003.
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KAUFMAN A.J. and CORSETTI F.A. (1996) Reply: Chemostratigraphy of Neoproterozoic-Cambrian
Units, White-Inyo Region, Eastern California: Implications for Global
Correlation and Faunal Distribution. Palios 11: 86-89.
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SMITH L.H., KAUFMAN A.J., KNOLL A.H. and LINK P.K. (1996) Reply: Chemostratigraphy
of the terminal Proterozoic Pocatello Formation and Lower Brigham Group,
Southeastern Idaho and Northern Utah. Geological Magazine 133: 347-349.
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GROTZINGER, J.P., BOWRING, S.A., SAYLOR, B.Z., and KAUFMAN, A.J. (1995)
Biostratigraphic and geochronologic constraints on early animal evolution.
Science 270: 598-604.
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KNOLL A.H., KAUFMAN A.J., SEMIKHATOV M.A., GROTZINGER J.P. and ADAMS W.R.
(1995) Sizing up the sub-Tommotian unconformity in Siberia. Geology
23: 1139-1143.
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KAUFMAN A.J. and KNOLL A.H. (1995) Neoproterozoic variations in the carbon
isotopic composition of seawater: Stratigraphic and biogeochemical implications.
Precambrian Research 73: 27-49.
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KNOLL A.H., GROTZINGER J.P., KAUFMAN A.J. and KOLOSOV P. (1995) Integrated
chronostratigraphy of the terminal Proterozoic successions of the Olenek
Uplift, northern Siberia. Precambrian Research 73: 251-270.
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KNOLL A.H., KAUFMAN A.J. and SEMIKHATOV M. (1995) The carbon-isotopic composition
of Proterozic carbonates: Riphean successions from the Anabar Massif and
Turukhansk Uplift, Siberia. American Journal of Science 295: 823-850.
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NARBONNE G., KAUFMAN A.J. and KNOLL A.H. (1994) Integrated carbon isotope
and biostratigraphy of the upper Windemere Group, MacKenzie Mountains,
N.W. Territories, Canada. The Bulletin of the Geological Society
of America 106: 1281-1292.
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SMITH L.H., KAUFMAN A.J., KNOLL A.H. and LINK P.K. (1994) Chemostratigraphy
of the terminal Proterozoic Pocatello Formation and Lower Brigham Group,
Southeastern Idaho and Northern Utah. Geological Magazine 131: 301-314.
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CORSETTI F.A. and KAUFMAN A.J. (1994) Chemostratigraphy of Neoproterozoic-Cambrian
Units, White-Inyo Region, Eastern California: Implications for Global
Correlation and Faunal Distribution. Palios 9: 211-219.
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KAUFMAN A.J., JACOBSEN S.B. and KNOLL A.H. (1993) The Vendian record of
C- and Sr-isotopic variations: Implications for tectonics and paleoclimate.
Earth and Planetary Science Letters 120: 409-430.
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KAUFMAN A.J., KNOLL A.H. and AWRAMIK S.M. (1992) Biostratigraphic and chemostratigraphic
correlation of Neoproterozoic sedimentary successions: Upper Tindir Group,
northwestern Canada, as a test case. Geology 20: 181-185.
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DERRY L.A., KAUFMAN A.J. and JACOBSEN S.B. (1992) Sedimentary cycling and
environmental change in the Late Proterozoic: Evidence from stable and
radiogenic isotopes. Geochimica et Cosmochimica Acta 56: 1317-1329.
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KAUFMAN A.J., HAYES J. M., KNOLL A.H. and GERMS G.J.B. (1991) Isotopic
compositions of carbonates and organic carbon from Upper Proterozoic successions
in Namibia: Stratigraphic variation and the effects of diagenesis and metamorphism.
Precambrian Research 49: 301-327.
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KAUFMAN A.J., HAYES J.M. and KLEIN C. (1991) Primary and diagenetic controls
of isotopic compositions of iron-formation carbonates. Geochimica
et Cosmochimica Acta 54: 3461-3473.
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BEUKES N.J., KLEIN C., KAUFMAN A.J. and HAYES J.M. (1990) Carbonate petrography,
kerogen distribution, and carbon and oxygen isotope variations in an Early
Proterozoic transition from limestone to iron-formation deposition, Transvaal
Supergroup, South Africa. Economic Geology 85: 663-690.
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KNOLL A.H., HAYES J.M., KAUFMAN A.J., SWETT K. and LAMBERT I.B. (1986)
Secular variations in carbon isotope ratios from Upper Proterozoic successions
of Svalbard and East Greenland. Nature 321: 832-838.
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