Table 1:
Spectral maxima for isotopic ratios
Prokoph et al., 2008
Range
(Myr)
δ18O
permil
δ13C
permil
δ34S
permil
87Sr/
86Sr
#
300-400
387
1
200-300
240
248
2
100-200
135
100
123
181
155
160
6
80-100
80
1
60-80
77
66
68
60
4
40-60
49.2
40
47.5
49.3
4
20-40
30
21.7
36
3
0-20
14.5
3.4
3.1
3.2
2.2
5
6