Enorama Creek, Flinders Ranges, South Australia | 31.3314 S 138.6334 E | Base of
the Marinoan cap Carbonate | (1) rapid decay of Marinoan ice sheets and onset of
distinct cap carbonates throughout the world, and (2) the beginning of a distinctive
pattern of secular changes in carbon isotopes. | Ratified 1990 | Lethaia 39, p.13
30, 2006 | http://stratigraphy.science.purdue.edu/references/Ediacaran_Lethaia060SP.pdf