Vancouver — The latest drill results from the Nui Phao tungsten project in Vietnam continue to show promising signs of an open-pittable resource for junior Tiberon Minerals (TBR-V).
Hole 29 returned 46 metres grading 0.40% tungsten, 0.17% copper, 0.09% bismuth and 0.17 gram gold per tonne from 32 metres down-hole.
Hole 31 cut five zones of mineralization ranging up to 0.65% tungsten, 0.34% copper, 0.16% bismuth and 0.43 gram gold over 3.2 metres from 43 metres down-hole.
Based on the drill results to date, mineralization extends for 2 km in an east-west direction and for 300-to-400 metes in a north-south direction. It is a flat-lying body up to 160 metres thick. With four rigs still turning, assay results are pending from eight additional drill holes.
Mineralization on the property is hosted in skarns and their greisenized or retrograde equivalents. Greisenization refers to a replacement process whereby quartz, fluorine and micas — as well as accessory minerals, such as tourmaline, rutile, cassiterite and wolframite — replace skarns or granites. At Nui Phao, it consists of fluorine, beryllium, tungsten, tin and limited rare earth metals, which have replaced granitic dykes and earlier-formed skarn units.
Tiberon is testing a 500-metre section of a geophyscial anomaly to the east of the current holes and is continuing to delineate the known mineralization.
The company has hired Thibault & Associates to conduct a scoping study. Its aim is to establish a protocol and methodology for bench-scale metallurgical work, which is expected to begin in late summer. Tiberon plans to launch a prefeasibility study later in the year.
The Nui Phao project lies in the Dai Tu district of Thai Nguyen province, about 80 km northwest of Hanoi.
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