Table 1.

Soil carbonate T(Δ₄₇) and δ¹⁸O_carbonate values, and calculated oxygen isotopic ratios of soil water (δ¹⁸O_{soil water}). T(Δ₄₇) errors are calculated as the standard error of the mean.

Sample	Ages	Alternative Ages	T(Δ47)	T(Δ47) 1σ SE	δ18Ocarbonate	δ18Osoil water	δ18Osoil water 1σ SE
	[Ma]	[Ma]	[°C]	[°C]	[‰, VSMOW]	[‰, VSMOW]	[‰, VSMOW]
MC 946	13.35	13.97	16.9	4.1	20.0	−9.9	1.8
MC 956B	14.13	14.36	12.7	1.3	19.7	−11.2	0.6
MC 965B	14.48	14.54	29.8	2.8	19.7	−7.5	1.1
MC 961B	14.93	14.93	35.1	2.9	20.4	−5.8	1.1
MC 975A	15.36	15.36	28.1	1.7	20.0	−7.6	0.7
MC 981B	15.82	15.82	24.4	1.4	19.2	−9.1	0.6
MC 1011B	16.38	16.38	23.4	2.9	19.5	−9.1	1.2
MC 1003A	16.46	16.46	28.6	4.1	19.9	−7.6	1.6
MC 1001	16.59	16.59	30.6	2.1	19.8	−7.3	0.8
MC 991B	17.38	17.38	25.4	1.6	19.2	−8.9	0.7
MC 987B	17.61	17.61	22.4	3.8	19.1	−9.7	1.6