Tertiary Minerals PLC (AIM:TYM, OTC:TTIRF, FRA:TMU) told investors that early drilling results indicate that the higher-grade copper zone at its Mushima North project in Zambia continues across the northern section of Target A1.
Preliminary pXRF analysis returned 45 metres at 0.41% copper and 0.28% zinc from 12 metres, including 6 metres grading 1.01% copper.
Further intersections included 55 metres at 0.32% copper and 0.29% zinc, and 73 metres at 0.29% copper and 0.38% zinc.
The first 12 holes also produced indicative silver readings of up to 214 grams per tonne.
Tertiary cautioned that the silver readings are semi-quantitative, while all reported intersections are downhole widths with true widths currently unknown.
Infill drilling has so far supported the existing exploration target of 15–30 million tonnes at 40–60 grams per tonne silver equivalent, ahead of work to delineate a JORC mineral resource.
Tertiary has completed 22 holes totalling 2,175 metres of its planned 4,000-metre programme, with certified laboratory results expected in the coming weeks.
