50 Myr recovery from the largest negative δ 13 C excursion in the Ediacaran ocean

Le Guerroue, ErwanAllen, Philip ACozzi, AndreaEtienne, James LFanning, Christopher2015-12-070954-4879http://hdl.handle.net/1885/23847Sedimentary rocks deposited during the Ediacaran period (∼630542 Ma) contain carbonates whose carbon isotopic ratios show a marked negative excursion consisting of a precipitous drop from +5‰ to - 12‰, followed by a sub-linear recovery to positive �Keywords: carbon isotope; Ediacaran; sedimentary rock50 Myr recovery from the largest negative δ 13 C excursion in the Ediacaran ocean200610.1111/j.1365-3121.2006.00674.x2015-12-07