Lol 'The Surge Brothers'!
Good to see that Hutabargot Julu and Malawi are not just large by my layman standards.
This confirms for me that Hutabargot Julu is about 4 times(!) as large as a typical epithermal vein system.
See page 17
http://imagesignal.comsec.com.au/asxdata/20080512/pdf/00841195.pdf