measured	value	uncertainty	unit
[Li]	5.5		ppm
δ¹¹B	-11.2		‰

tables:

Table 1. Representative analyses of the diamond-grade K-tourmaline and lower-grade Na-tourmalinesa from the Kokchetav belt of Tsutomu Ota (2008) Boron cycling by subducted lithosphere; insights from diamondiferous tourmaline from the Kokchetav ultrahigh-pressure metamorphic belt, Geochimica et Cosmochimica Acta, 72, 3531–3541. more