Volcanogenic CO₂ Degassing in the Songliao Continental Rift System, NE China

Figure 9

Genetic model of the cold spring gases in WMVF. (a) Crustal contribution to the EM-derived volatiles. (b) A schematic map shows the interactions between the depleted mantle and the slab materials in the MTZ. Abbreviations are as follows: MTZ: mantle transition zone; Moho: Mohorovičić discontinuity; SCLM: subcontinental lithospheric mantle; CC: continental crust.

(a)

(b)