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- Latest drilling follows structural targeting and geophysical modelling
- Studies highlighted Warrego-scale target footprint
- Multi-stage drilling program testing for extensions/repeats of Bluebird
- Four priority diamond drilling targets identified within 800m corridor
Tennant Minerals (ASX:TMS) has commenced a multi-stage, diamond drilling program targeting major extensions to the Bluebird mineralised system in the Northern Territory.
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The latest drilling program comes after the company commissioned an extensive structural targeting exercise which was integrated with new gravity and magnetic modelling of the high-grade copper-gold-bismuth deposit.
The structural interpretation indicates high-grade mineralised zones are associated with the intersection of two faults, termed the Camel and Kamran Faults.
“We are very pleased to get this new, multi-stage drilling program underway, which is targeting major extensions of the Bluebird copper-gold-bismuth system,” GM, Chris Ramsay, said.
“Bluebird has only been tested over a strike-length of less than 500m, and recent structural analysis and geophysical modelling suggests the mineralisation could extend over the entire 1.5km strike-length of a newly interpreted fault-intersection and geophysical corridor extending west of Bluebird to Perseverance.”
The initial diamond drillhole is testing priority step-out sections within the 800m corridor extending west of Bluebird, down-plunge of exceptionally high-grade intersections such as 18m at 10 grams per tonne (g/t) gold equivalent (AuEq).
Further step-out drilling will follow and will test a major ‘Warrego-scale’ target footprint with the objective of identifying a stand-alone copper-gold-bismuth system for future development.
The first of four stage one diamond drillholes is testing a target corridor on a 60m step-out section down-plunge and to the west of the drilled Bluebird zone.
Further drilling will test target points above or below the initial intersection, then step out a further 120m to the west, following the shallow plunging fault intersection/inversion model corridor.
The projection is that the modelled target corridor continues for at least 800m west of Bluebird and is of a scale that could contain a repeat of the largest deposit in the Tennant Creek mineral field – the Warrego gold-copper project.
Mr Ramsay said a recent high-grade gold-bismuth intersection at Bluebird included a 4.55m zone of 15.4 g/t gold, 4.0% copper and 3.5% bismuth indicating potential for higher gold-bismuth grades down-plunge to the west within the targeted zone.
TMS is up 6.67% to 0.8¢. Mkt cap $7.994M.
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