Footnotes
af
See Keir et al. 2006.
Keir, R.S., J. Sültenfuß, M. Rhein, G. Petrick and J. Greinert. 2006. Separation of
3
He and CH
4
signals on the Mid-Atlantic Ridge at 5°N and 51°N.
Geochemica et Cosmochemica Acta
70(23):5766-5778.