Ushikubo, T.; Kita, N.T.; Cavosie, A.J.; Wilde, S.A.; Rudnick, R.L.; Valley, J.W. (2008). »Lithium in Jack Hills zircons: Evidence for extensive weathering of Earth's earliest crust«. Earth and Planetary Science Letters. 272: 666–676. doi:10.1016/j.epsl.2008.05.032.
Nemchin, A.A.; Pidgeon, R.T.; Whitehouse, M.J. (2006). »Re-evaluation of the origin and evolution of >4.2 Ga zircons from the Jack Hills metasedimentary rocks«. Earth and Planetary Science Letters. 244: 218–233. doi:10.1016/j.epsl.2006.01.054.
Cavosie, A.J.; Valley, J.W.; Wilde, S.A.; E.I.M.F. (2005). »Magmatic δ18O in 4400–3900 Ma detrital zircons: a record of the alteration and recycling of crust in the Early Archean«. Earth and Planetary Science Letters. 235: 663–681. doi:10.1016/j.epsl.2005.04.028.