The Harena open pit  grew by 1.4 million tonnes adding 113 million pounds of zinc and 32 million pounds of copper. The Harena open pit grew by 1.4 million tonnes adding 113 million pounds of zinc and 32 million pounds of copper.

Nevsun Extends Harena with Additional High Grade Drill Results

Highlights

  • Intersections of massive sulphide including:
  • HX-040:  1.78% Cu, 5.78% Zn, 0.53 g/t Au, 31 g/t Ag over 32.0 m
    including 4.19% Cu, 0.65% Zn, 1.12 g/t Au, 70 g/t Ag over 11.9 m
    and 0.35% Cu, 8.82% Zn, 0.18 g/t Au, 8 g/t Ag over 20.1 m
  • HX-041:  1.10% Cu, 3.04% Zn, 0.63 g/t Au, 36 g/t Ag over 50.0 m
    and 2.24% Cu, 6.46% Zn, 2.60 g/t Au, 87 g/t Ag over 3.9 m 
  • Intersections display a significant grade improvement over the historical resource grade
  • Mineralization remains open with significant widths still being encountered
  • Borehole geophysics indicates deposit has substantial growth potential at depth and along strike
  • Additional drilling and geophysical surveys ongoing

Vancouver, BC – Nevsun Resources Ltd. (TSX:NSU / NYSE MKT:NSU) (Nevsun or the Company) is pleased to announce new assay results from exploration drilling completed on the Harena Mining License located 10 kilometers south of the Bisha Mine and processing plant.  The drilling is part of the 2014 Bisha Regional Exploration program.

Nevsun CEO Cliff Davis commented, “Our exploration program is demonstrating the enormous growth potential of the Bisha VMS District.  Our exploration methodology and execution has been very effective and we will continue to employ it over the entire under-explored Bisha area.  Results from our work to-date at Harena will be included in the Company’s annual mineral reserve and resource statement, expected in February 2015.  In 2015, exploration work will be expanded at Harena and will continue across the Bisha VMS District with further diamond drilling and geophysical programs.”

The 2014 Bisha Mining Share Company exploration program successfully completed 27,300 meters of diamond drilling, 228 square kilometers of helicopter-borne Versatile Transient Electromagnetic (VTEM) surveys, 20 square kilometers of ground and 40 borehole Transient Electromagnetic (BHTEM) surveys.

A presentation summarizing the Bisha District potential and the 2014 Harena exploration results can be accessed by the following link: www.nevsun.com/harena2014.

Harena Drill Results

The 2014 Harena exploration results reported today are part of an on-going program designed to expand the deposit beyond the known resource (see also press releases dated August 18, September 23 and November 13, 2014).  Drilling is being guided by BHTEM surveys as the massive sulphides give strong electromagnetic (EM) responses.

Numerous in-hole, edge and off-hole responses have been detected and the drilling of these targets has been very successful.  A plan map of the drilling and representative sections are attached at the end of this release.
Holes HX-040 and HX-041 were drilled to test greater than 100 meter wide gaps in the drill pattern of Harena above the 400 meter depth level.  Both holes hit considerable intervals of massive sulphide that is recrystallized and coarse grained and contain appreciable chalcopyrite and sphalerite.  This mineralization should be simple to process metallurgically.  BHTEM surveys completed in these holes, coupled with the survey results from neighboring holes have defined a large geophysical plate that extends well below the current level of drilling.

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The two drill holes reported today are believed to be drilled in the core of the Harena deposit based on the thickness of massive sulphide intersected and the increased base metal content.  These holes clearly demonstrate that Harena has the potential for further growth.  The Harena mineralization is open at depth and down plunge.  The massive sulphide zone is thick and the host felsic volcanic unit continues to be highly altered, suggesting that the deposit is robust and likely to continue at depth.  Future drilling will assess this potential.

To view all tables and figures associated with this press release, please follow this link.

Quality Assurance 

A Quality Assurance/Quality Control program was part of the sampling program for the Harena work.  This program includes chain of custody protocols as well as systematic use of standards, duplicates and blank samples into the flow of samples produced by the sampling. Samples were prepared at African Horn Testing Services (Eritrea) and analyzed at Genalysis Laboratories (a NATA registered laboratory) in Perth, Western Australia.  Drilling intercept lengths only are reported in the tables and text below.

Mr. Robert Foy P.Geo., BMSC’s Exploration Manager, has been overseeing the drilling at Harena and is a Qualified Person as defined by NI 43-101.  Mr. Foy has reviewed the technical content of this press release and approved its dissemination.

About Nevsun Resources Ltd.

Nevsun Resources Ltd. is a Vancouver-based mining company with an operating mine in Eritrea.  Nevsun’s 60%-owned Bisha Mine commenced commercial copper concentrate production in December 2013 and ranks as one of the highest grade open pit copper mines in the world.  Nevsun has a strong balance sheet and future cash flows to grow shareholder value through exploration at Bisha and acquisition of additional mining assets.

By Editorial Team

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