Reference
Rosaline C. Figueiredo e Silva, Steffen Hagemann, David Banks, L. M. Lobato (2011): In situ laser ablation ICP-MS analyses of fluid inclusions, Serra Norte jaspilite-hosted high grade iron ore, Carajas Mineral Province, Brazil – Berichte der Geologischen Bundesanstalt – 87: 90 - 91.