The strontium isotopic composition of carbonates from the late Precambrian (∼ 560-540 Ma) Huqf Group of Oman

A paired sulfate–pyrite δ34S approach to understanding the evolution of the Ediacaran–Cambrian sulfur cycle

“…There is evidence for increased sedimentation rates over the Ediacaran-early Paleozoic interval associated with the assembly of Gondwanaland, particularly based on the volume of quartzite sediments accumulating at this time (Squire et al, 2006). Similarly, there is a pronounced peak in 87 Sr/ 86 Sr, a proxy for sedimentation rate, in the terminal Ediacaran-early Cambrian (Burns et al, 1994;Veizer et al, 1999;. As such, increased sedimentation rate may play a role in enhanced f pyr during Ara time, but its contribution is hard to quantify in the absence of a direct measure of sedimentation rate through time.…”

87 Sr/ 86 Sr chemostratigraphy of Neoproterozoic Dalradian limestones of Scotland and Ireland: constraints on depositional ages and time scales

“…(Derry et al 1989;Asmerom et al 1991;Burns et al 1994;Narbonne et al 1994;Gorokhov et al 1995;Kuznetsov et al 1997;Kennedy et al 1998;Misi & Veizer 1998;Saylor et al 1998;Yang et al 1999;Fairchild et al 2000; see also reviews by Jacobsen & Kaufman 1999;Shields 1999;Walter et al 2000;Melezhik et al 2001).…”

Integrated chemo- and biostratigraphic calibration of early animal evolution: Neoproterozoic–early Cambrian of southwest Mongolia

“…Both strontium and carbon isotopic data are consistent with a terminal Neoproterozoic 'Ediacarian' age for this part of the section (cf. Burns et al 1994;.…”