Erratum to: Miner Deposita

DOI 10.1007/s00126-015-0628-6

Equation 1: 2H4 += N2+8H+ is erroneous. The correct formulation for Equation 1 is:

$$ {{2\mathrm{N}\mathrm{H}}_4}^{+}={\mathrm{N}}_2+2{\mathrm{H}}^{+}+3{\mathrm{H}}_2. $$