RE:RE:what is a porphyryHere's an example of a junior who owned a big copper deposit, a porphyry: https://www.northernminer.com/news/taca-taca-gets-bigger-and-better/1000765311/
Bought for $470 million, at a time when copper prices were falling, in a part of the world hostile to mining, at 10,000 feet up in the Andes in a very arid place. So ST looks pretty good and pretty valuable.