Table 1 Run conditions, products, and the calculated nitrogen partition coefficients between phengite, K-hollandite, and fluid
From: Inefficient nitrogen transport to the lower mantle by sediment subduction
Runsa | P (GPa) | T (°C) | t (h) | Phasesb | Solutes(wt%)c | N in Phe and K-holl (wt%) | N in fluid (wt%)d | \({{{{\rm{D}}}}}_{{{{\rm{N}}}}}^{{{{\rm{Phe}}}}/{{{\rm{Fluid}}}}}\) | \({{{{\rm{D}}}}}_{{{{\rm{N}}}}}^{{{{\rm{K}}}}-{{{\rm{holl}}}}/{{{\rm{Fluid}}}}}\) |
|---|---|---|---|---|---|---|---|---|---|
NH-1 | 10 | 1000 | 48 | Phe, Cpx, Grt, Ky, St | 25–52 | 0.49 (Phe) | 13.4–19.4 | 0.031 (8) | – |
NH-2 | 10 | 1100 | 48 | K-holl, Cpx, Grt, Ky, St | 28–55 | 0.10 (K-holl) | 10.8–16.3 | – | 0.008 (2) |
NH-3 | 10.5 | 800 | 48 | K-holl, Cpx, Grt, Tp-OH, St | 19–42 | 0.70 (K-holl) | 13.7–18.0 | – | 0.045 (9) |
NH-4 | 11 | 800 | 48 | K-holl, Cpx, Grt, Tp-OH, St | 19–41 | 0.83 (K-holl) | 13.5–17.6 | – | 0.054 (10) |
NH-5 | 11 | 900 | 48 | K-holl, Cpx, Grt, Tp-OH, St | 20–42 | 0.89 (K-holl) | 13.2–17.4 | – | 0.059 (12) |
NH-6 | 11 | 1000 | 72 | K-holl, Cpx, Grt, Tp-OH, St | 25–51 | 0.66 (K-holl) | 12.4–17.8 | – | 0.045 (11) |
NH-7 | 11 | 1100 | 48 | K-holl, Cpx, Grt, Ky, St | 28–55 | 0.29 (K-holl) | 10.5–15.7 | – | 0.023 (6) |
NH-8 | 12 | 1000 | 48 | K-holl, Cpx, Grt, Tp-OH, St | 26–51 | 0.84 (K-holl) | 11.0–15.8 | – | 0.064 (16) |
N2-1 | 11 | 1000 | 72 | K-holl, Cpx, Grt, Ky, St, Hm, Fe-Ti phase | 25–51 | b.d. (K-holl) | – | – | – |
