Surface trenching on the Cerro Gordo property in the Argentine province of Salta is defining a northeast-southwest-trending zone of gold-silver mineralization.
Mansfield Minerals (MDR-V) tested 1,300 metres of strike length by digging four widely spaced trenches in the northern portion of the zone. Results are as follows:
* One of the trenches, known as North Ridge, returned a 72-metre interval averaging 1.37 grams gold and 23.8 grams silver per tonne (including 16 metres averaging 5.01 grams gold and 33.7 grams silver). By comparison, preliminary chip sampling averaged 10.7 grams gold and 36.2 grams silver over 100 metres (including 32.4 grams gold and 46.2 grams silver over 30 metres).
* About 600 metres to the northeast, the 6018 trench cut 10 metres averaging 1.51 grams gold and 16.5 grams silver (including 3.31 grams gold and 34.8 grams silver over 4 metres).
* Trenching on the VG Ridge, 1,000 metres northeast of North Ridge, returned 16 metres averaging 0.98 gram gold and 48.7 grams silver (including 6 metres of 1.61 grams gold and 111.8 grams silver).
* The Gordon zone trench, 300 metres southwest of North Ridge, yielded 20 metres averaging 0.82 gram gold and 6.5 grams silver (including 4 metres of 3.46 grams gold and 9.5 grams silver).
The zone remains open in both directions, though trenching along the southwestern extension has revealed a general weakening of the structure.
Mansfield continues to define the northeastern extension by digging additional trenches, with drilling expected to follow.
The Cerro Gordo project comprises 25,300 ha, and, once Mansfield has spent US$2.5 million on exploration, RTZ Mining & Exploration can elect to earn a 55% interest by financing the project through to production.
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