For anyone who wants to call bullshit, here's a report by Jubilee in 1998.Search tthe pdf for pegmatite.
https://geodocsget.dmirs.wa.gov.au/api/GeoDocsGet?filekey=02c618a3-fe4f-4a81-92a6-722cacba6f15-vyewkmtv9fswf0fhyjtalbqoz67xewep01iilfhuThey also wweren't the first to look at them, I just cannot be bothered digging for the reports from the middle of last century.
