measured	value	unit
[B]	5.9	ppm
[Zr]	156.0	ppm
[Hf]	4.0	ppm
[Nb]	5.7	ppm
[Ta]	0.3	ppm

tables:

Table 1: Major elements, trace elements and isotopic compositions from SW Colombian volcanic arc of Marin-Ceron, M. I. (2010) Slab decarbonation and CO₂ recycling in the Southwestern Colombian volcanic arc, Geochim. Cosmochim. Acta, 74, 1104-1121. more