From: Nitrogen in the Earth: abundance and transport
KD
Muscovite/biotite
0.43 ± 0.11
K-feldspar/biotite
0.38 ± 0.08
Plagioclase/biotite
0.11 ± 0.04
K-feldspar/muscovite
0.85 ± 0.15
Plagioclase/K-feldspar
0.32 ± 0.16