W HA T W E L E ARNED IN 2019 AT THE WL GS TS XV C OR E 12 The s pa ti al ass oc i a ti on be tw ee n porph yr y dyk es and higher gr ade mi ner al i z a ti on w as not r ec ogn i z ed b y his t ori c al ope r a t or s the y did not sa mple mos t of the porph yri es i n the Wi r e Lak e Main Z one H i gh er gr ade miner ali z a ti on i s pr e f er en ti al l y dis tr i but ed al ong the ma fic v ol c anic porph yr y dyk e c on t act s pXRF and whol e r oc k g eochem i s try se es thr oug h alt er a ti on t o det ect the che mic al signat ur e of the s tr ong l y alt er ed porph yr y dyk es Signifi c an t de f orma ti on occ urr ed s yn pos t miner ali z a ti on and alt er a ti on