Re @Freehold post yesterday on many similarities between AVZ and Ivanhoe Mine's Kamoa-Kakula Project in DRC, below are a few links that give some info about the project.
https://ivanhoemines.com/projects/kamoa-kakula-project/
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S2225-62532018001100003