ZC0 2 (mM) SO/ or S = (mM) NHj(mM) PO/ (/xM) SiO 
o 
O o o 
o 
o o 
(UJO) Hid 3 a 
12 
Figure 2-1. Concentrations of TC0 2 , SC> 4 _ , S _ , NH 3 , P 04 - , and H4SiC>4 in pore waters 
from a Jamestown North long core (JN-8) (from McCaffrey et al, 1977). 
