Here is a picture of what drill core can look like when it holds up to 88.82 percent copper and 37.7 percent copper overall.  There is no mention of associated metals in the sample, which is from the Kamoa-Kakula project of Ivanhoe Mines (et al.) in the Democratic Republic of Congo. [Strataform copper deposit.]

https://twitter.com/rickrulerulz/status/1601910286109188096?s=46&t=TAf_dS1O_VPT6jSHSJMtSQ

This is not a promotion.  I have no association with Ivanhoe or any other company working outside North America except for one company in Australia. 

VP