Vancouver – The latest batch of drill results from Mansfield Minerals (MDR-V, MFMNF-O) is boosting the growth potential at its Lindero porphyry gold project in northwestern Argentina’s Salta Province.
Several holes have returned significant gold intercepts that extend and expand zones of mineralization in the deposit.
Hole LDH-81 cut 148 metres (from 36 metres down-hole depth) grading 0.85 gram gold per tonne to extend mineralization into an area previously thought to be a barren, post-mineral intrusive. The interval included a 90-metre section of 1.03 grams gold.
On the Eastern body of the deposit, hole 84 returned 140 metres (from 34 metres) of 0.9 gram gold including an 84-metre interval of 1.1 grams gold that upgrades the southwestern corner of the zone.
Hole 86 intersected 226 metres (from 226 metres) of 0.85 gram gold in what is described as a mineralized embayment in the barren central post-mineral intrusive. A 124-metre portion of the interval averaged 1.01 grams gold.
Mansfield in on track with its pre-feasibility program on Lindero and anticipates a revised resource estimate by late-2007.
A previous estimate at Lindero tabled an inferred resource of about 30 million tonnes grading 1.08 grams gold (just over one million contained oz.) in the MVZ, PVZ and Di P2 zones using a 0.6 gram gold cut-off grade.
The resource is contained in an area of just 600 metres in length by 200 metres width located on the southeastern flank of the hill that is the Lindero intrusive. Exploration by Mansfield has since boosted the footprint size of the deposit by about three-times.
Gold mineralization at Lindero is mainly associated with quartz-magnetite stockworks and minor breccias or feeder structures hosted within the circular dioritic intrusive body.
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