*Peck WH, Valley JW, Wilde SA, and Graham CM (2000) Ion microprobe Evidence for Pre-4.4 Ga Continental Crust and Low Temperature Water/Rock Interaction. ''Geol. Soc. Am. Abstr'', vol 32, no. 7. | *Peck WH, Valley JW, Wilde SA, and Graham CM (2000) Ion microprobe Evidence for Pre-4.4 Ga Continental Crust and Low Temperature Water/Rock Interaction. ''Geol. Soc. Am. Abstr'', vol 32, no. 7. |