Auroch enters copper-zinc JV in Portugal
Auroch Minerals has announced a new joint venture to earn up to 75% of the Alcoutim project, a significant Cu-Zn-Pb-Au-Ag opportunity in south-eastern Portugal located immediately along strike from the high profile Neves Corvo Mine in the western half of the world famous Iberian Pyrite Belt .
The IPB is one of the largest and most significant mining districts in the world, renowned for its polymetallic (copper-zinc dominant) volcanic massive sulphide deposits with over 80 known deposits and resources totalling in excess of 1.7 billion tons. The Rio Tinto deposit has been mined since circa 1200BC and the world’s second largest mining company was founded in Britain in 1873 to mine copper at the Rio Tinto, deposit near Huelva in southern Spain.
Chief executive Andrew Tunks said, “The district is home to 10 giant deposits and three super-giant deposits in Neves Corvo (8 million tonnes contained copper-zinc metal), Aljustrel (8 million tonnes contained copper-zinc metal) and the original Rio Tinto mine with contained copper and zinc metal of more than 3 million tonnes.”
The Alcoutim project is immediately along strike and down plunge from Lundin Mining’s Neves Corvo deposit which based on the Lundin Mining 2016 resources and reserves report is rich in copper and zinc.
The Neves Corvo mine’s copper zones are estimated to be 90,551 million tonnes grading 2.5% copper, 1.1% zinc, and 116 million ounces of silver grading 43 grams per tonne based on resource statements released by the operator Lundin mining.
The zinc zones are estimated at 118,205 million tonnes grading 5.9% zinc, 0.3% copper and 216 million ounces of silver grading 57 grams per tonne.
Exploration has continued at Neves Corvo since the initial discovery in 1977 and even recently new orbodies are being discovered. Semblana a copper rich zone was discovered in 2010 with intercepts such as;
PSN44A-1 11.1m @ 14.6% Cu, 1.61% Sn & 133 g/t Ag
PSN42 13.6m @ 1.9% Cu, 2.64% Zn, 56 g/t Ag & 1.15 g/t Au
PSM46B-1 20.5m @6.1% Cu, 4.0% Zn, 110 g/t Ag & 0.23 g/t Au
Given the Alcoutim tenements lie directly along strike and down plunge of the Super-Giant Neves Corvo mine, and multiple coincident magnetic-gravity and electromagnetic anomalies have been identified, AOU intends to immediately conduct diamond drilling to test these targets.
From a broader perspective, Portugal is a mining friendly jurisdiction with first-class infrastructure, transparent mining laws and judicial security.
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