Ann: Sandfire Identify Massive Sulphides at Morck's Well, page-63

DeGrussa announcements of note

30 April 2009 - a sniff of copper sulphides.

https://www.asx.com.au/asxpdf/20090430/pdf/31hbbs2hp1nlml.pdf

18 May 2009 - DeGrussa discovered

https://www.asx.com.au/asxpdf/20090518/pdf/31hnb2jzvb5x20.pdf

4 May 2010 - chalcocite grades of 52% copper

https://www.asx.com.au/asxpdf/20100504/pdf/31q4ytw3dxl5tc.pdf

Monty announcements of note

11 May 2015 - commencement of drilling at Springfield (Monty)

https://www.asx.com.au/asxpdf/20150511/pdf/42ygstz2djm1ty.pdf

17 June 2015 - massive sulphide mineralisation at Monty

https://www.asx.com.au/asxpdf/20150617/pdf/42z78yj00djrcv.pdf

25 June 2015 - 16.5metres of copper at Monty @ 18.9%copper

https://www.asx.com.au/asxpdf/20150625/pdf/42zdk2z6lk6vjd.pdf

Citra-Homestead announcement

15 May 2018 - sulphide and supergene copper mineralisation discovered in aircore drilling.

https://www.asx.com.au/asxpdf/20180515/pdf/43v19czl09cw3v.pdf

….to be continued.....

Just look at the time of the year -May/June.