Table T7. Estimated concentration of dissolved Li (ppb) and Si (ppm) at the sampling times in the Hole 1274A (76 mbsf) sample set.

Table T7. Estimated concentration of dissolved Li (ppb) and Si (ppm) at the sampling times in Hole 1274A (76 mbsf) sample set.


Time (d):	Hole 1274A (76 mbsf) sample set
Time (d):	10	40	204
pH 7.5, temp 25°C
Ol dissolved (g)	0.0687	0.2749	1.4021
Li released (ng) calculated	150	500	3,000
Li released (ng) measured	150 ± 20	100 ± 10	100 ± 15
Si released (µg) calculated	10,000	50,000	300,000
Si released (µg) measured	250 ± 250	150 ± 100	50 ± 15
pH 9.5, temp 25°C
Ol dissolved (g)	0.0137	0.0550	0.2804
Li released (ng) calculated	30	100	500
Li released (ng) measured	100 ± 20	100 ± 15	100 ± 30
Si released (µg) calculated	2,000	10,000	50,000
Si released (µg) measured	250 ± 250	150 ± 150	50 ± 15

Notes: Based upon a Li concentration of 2 ppm in the olivine. The measured averages are the combined average of the inoculated and control cultures, the two temperatures, and the seven amendments (N = 28). Error = 1.