Tertiary Minerals (LSE:TYM) has reported analytical results from seven Phase 4 infill drill holes at the Discovery Zone of its Mushima North Project, with all seven holes intersecting near-surface silver-copper-zinc mineralisation.
The results include an intersection of 82 metres grading 53 g/t silver equivalent and a higher-grade interval of 22 metres grading 105 g/t silver equivalent.
According to the company, the latest drilling extends the known mineralisation at depth and provides additional information within the existing near-surface Exploration Target.
Several of the drill holes ended in mineralisation, with intersections extending below the current Exploration Target envelope. Tertiary Minerals said this indicates that the mineralised system remains open at depth.
The company is also evaluating the potential transition from oxide to sulphide mineralisation below the areas tested to date. This deeper potential remains untested.
Drilling also intersected bismuth, antimony and cobalt in addition to the principal silver, copper and zinc mineralisation. The supplied results do not establish whether these accessory metals can be economically recovered.
Further laboratory results from the drilling programme are expected in the coming weeks.
More about Tertiary Minerals
Tertiary Minerals plc is an AIM-listed mineral exploration company focused on silver, copper and zinc projects.
Its portfolio includes the Mushima North Project in Zambia, where the company is exploring for polymetallic mineralisation in an Iron-Oxide-Copper-Gold region near the historic Kalengwa copper-silver mine.
The company is carrying out exploration at the Discovery Zone with the objective of defining mineral resources compliant with JORC reporting standards.
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