Geofluids / 2019 / Article / Fig 5

Research Article

The Petrogenesis of the Permian Podong Ultramafic Intrusion in the Tarim Craton, Western China: Constraints from C-He-Ne-Ar Isotopes

Figure 5

Plots of 3He/4He versus 4He contents (a) and 20Ne/22Ne versus 21Ne/22Ne (b) in the Podong ultramafic intrusion, China. Olv: olivine; Pyx: pyroxene; Gbr: gabbro; OlGbr: olive gabbro; Pyt: pyroxenite; Plht: plagioclase lherzolite; ATM: atmosphere [29, 39]; MFL: the mass fractionation line [29, 39]; CC: continental crust [29]; Nucl.: nucleogenic; L-K: Loihi- Kilauea line [26]; MORB: mid-ocean ridge basalts [58].

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