Page 151 - Geochemical Remote Sensing of The Sub-Surface

128 M.Zhang

Fig. 4-5. Lithogeochemical halos at the Qixiashan lead-zinc deposit, China.

TABLE 4-I

Release of CO2 into solution from pure carbonates at 100~

Carbonate NaHCO3 Na2CO3 K2CO3 CaCO3
CO2 release (%) 9.62 0.31 0.15 n.d.

n.d. - not detected