The Cristalino deposit is located at the south-eastern extremity of the Carajás copper region approximately 100km south-east of Carajás and 40km east of the Sossego deposit. A pre-feasibilty study was undertaken in 2008/9 and a feasibility study in 2010. The project was studied with conceptual capacity of 16Mt/a of ore producing up to 120kt/a of copper in concentrate. Cristalino has since been considered a satellite deposit and life-of-mine extension option to Sossego. It is now included as part of Sossego and this analysis relates to notes on the project's early works.