News: AZY Rio Tinto leads copper charge into Western Australia's Paterson region, page-133

The absence of a lot of information about Winu does lead to a lot of speculation.  

Case histories and anecdotes can give some idea of what is involved in finding and the initial resource drill out.  After that the process enters a different phase.

As mentioned above here is some weekend material for Kidd Creek and Olympic Dam.  Early exploration to discovery.

Exploration and the occasional discovery.pdf
Very dense with a lot of links and reference material so only for dedicated readers.

This image shows magnetic and gravity anomalies in South Australia along with named prospects to mines that are all in a related geological province.  A similar pattern is beginning to emerge in the Paterson.