Late Precambrian Oxygenation; Inception of the Clay Mineral Factory

An enigmatic stepwise increase in oxygen in the late Precambrian is widely considered a prerequisite for the expansion of animal life. Accumulation of oxygen requires organic matter burial in sediments, which is largely controlled by the sheltering or preservational effects of detrital clay minerals in modern marine continental margin depocenters. Here, we show mineralogical and geochemical evidence for an increase in clay mineral deposition in the Neoproterozoic that immediately predated the first metazoans. Today most clay minerals originate in biologically active soils, so initial expansion of a primitive land biota would greatly enhance production of pedogenic clay minerals (the “clay mineral factory”), leading to increased marine burial of organic carbon via mineral surface preservation.

[1]  R Buick,et al.  Archean molecular fossils and the early rise of eukaryotes. , 1999, Science.

[2]  F. Prahl,et al.  Sorptive preservation of labile organic matter in marine sediments , 1994, Nature.

[3]  Linda C. Kah,et al.  Low marine sulphate and protracted oxygenation of the Proterozoic biosphere , 2004, Nature.

[4]  J. Ashby References and Notes , 1999 .

[5]  L. P. Knauth,et al.  Life on Land in the Precambrian , 1994, Science.

[6]  D. Lowe,et al.  The influence of sediment recycling and basement composition on evolution of mudrock chemistry in the southwestern United States , 1995 .

[7]  A. Prave,et al.  Life on land in the Proterozoic: Evidence from the Torridonian rocks of northwest Scotland , 2002 .

[8]  C. E. Weaver Clays, muds, and shales , 1989 .

[9]  J A Raven,et al.  Roots: evolutionary origins and biogeochemical significance. , 2001, Journal of experimental botany.

[10]  F. L. Lynch Frio Shale Mineralogy and the Stoichiometry of the Smectite-to-Illite Reaction: The Most Important Reaction in Clastic Sedimentary Diagenesis , 1997 .

[11]  R. Hill,et al.  Mineral Surface Control of Organic Carbon in Black Shale , 2002, Science.

[12]  T. Taylor,et al.  Lichen-Like Symbiosis 600 Million Years Ago , 2005, Science.

[13]  J. Calvin Giddings,et al.  Mineralogical and textural controls on the organic composition of coastal marine sediments: Hydrodynamic separation using SPLITT-fractionation , 1994 .

[14]  L. Derry,et al.  Organic carbon burial forcing of the carbon cycle from Himalayan erosion , 1997, Nature.

[15]  A. J. Kaufman,et al.  Sedimentary cycling and environmental change in the Late Proterozoic: Evidence from stable and radiogenic isotopes , 1992 .

[16]  J. Chorover,et al.  Implications of the evolution of organic acid moieties for basalt weathering over geological time , 2005 .

[17]  S. Carroll,et al.  Early animal evolution: emerging views from comparative biology and geology. , 1999, Science.

[18]  F. Mackenzie,et al.  Evolution of sedimentary rocks , 1971 .

[19]  M. Kastner,et al.  ORGANIC MATTER PRESERVATION ON CONTINENTAL SLOPES: IMPORTANCE OF MINERALOGY AND SURFACE AREA , 1998 .

[20]  J. McCarthy,et al.  Organic matter in small mesopores in sediments and soils , 2004 .

[21]  J. D. H. Dott The Importance of Eolian Abrasion in Supermature Quartz Sandstones and the Paradox of Weathering on Vegetation‐Free Landscapes , 2003 .

[22]  T. Lowenstein,et al.  Seawater chemistry and the advent of biocalcification , 2004 .

[23]  L. Mayer SURFACE AREA CONTROL OF ORGANIC CARBON ACCUMULATION IN CONTINENTAL SHELF SEDIMENTS , 1994 .

[24]  J. Hedges,et al.  Sedimentary organic matter preservation: an assessment and speculative synthesis , 1995 .

[25]  S. Hedges,et al.  Molecular Evidence for the Early Colonization of Land by Fungi and Plants , 2001, Science.

[26]  J. Banfield,et al.  Biological impact on mineral dissolution: application of the lichen model to understanding mineral weathering in the rhizosphere. , 1999, Proceedings of the National Academy of Sciences of the United States of America.

[27]  H. Strauss,et al.  Carbon isotope evidence for the stepwise oxidation of the Proterozoic environment , 1992, Nature.

[28]  S. Campbell Soil stabilization by a prokaryotic desert crust: Implications for Precambrian land biota , 1979, Origins of life.

[29]  Donald E. Canfield,et al.  Late Proterozoic rise in atmospheric oxygen concentration inferred from phylogenetic and sulphur-isotope studies , 1996, Nature.

[30]  B. Runnegar Oxygen requirements, biology and phylogenetic significance of the late Precambrian worm Dickinsonia, and the evolution of the burrowing habit , 1982 .