North Bullfrog Project’s, Preliminary Economic Assessment – Corvus Gold’s Detailed Phase-1, Standalone, Near-Term Mine Development Plan in the Bullfrog Mining District, Nevada

Corvus Gold Inc. (“Corvus” or the “Company”) – (TSX: KOR, NASDAQ: KOR) announces results for its Preliminary Economic Assessment (“PEA”) of the Company’s North Bullfrog project in southwest Nevada (Figure 1).  Results outline the potential for a large, standalone, Nevada mining project with attractive preliminary production and financial performance statistics.  This project will be the initial mine development target for Corvus because of its expected low initial capital requirements, potential high margins and anticipated strong free cashflow generation that could provide development capital for the Company’s potential, second mining project at the Mother Lode deposit.

The PEA results indicate robust economics at a gold price of $1,500/oz with free cash flow of $763M and post-tax NPV5% of $452M with an IRR of 47% and strong leverage to higher gold prices with a USD $1.36B pre-tax cash flow at $1,900 gold price and post-tax NPV5% $815M with an IRR of 70% (Table 1).  The financial performance of the North Bullfrog project PEA as a standalone project, at its base case $1,500 gold price produces comparable results to the overall previously announced combined North Bullfrog-Mother Lode project PEA reported in November of 2018 at its base case, $1,250 gold price.  The North Bullfrog Project could be an excellent development option for Corvus to advance gold production in the Bullfrog Mining District.  Corvus Gold’s potential of becoming the first producer in the Bullfrog Mining District could position it for expanding organic production growth and possible further District consolidation of other assets.  The North Bullfrog property is considered to be a separate, standalone project for the Company.

The North Bullfrog PEA is preliminary in nature, and includes inferred mineral resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as mineral reserves, and there is no certainty that the PEA will be realized.  Mineral resources that are not mineral reserves do not have demonstrated economic viability.

Jeffrey Pontius, President and CEO of Corvus states, “The results from our PEA study of the North Bullfrog project are encouraging.  The potential projected annual gold production during the first 7 years is significant, especially as a new open pit deposit in Nevada.  The PEA demonstrates the potential for the project to produce nearly 147,000 ounces of gold and 400,000 ounces of silver per year at a projected low cost which could result in high margins.  This analysis, in conjunction with our continued positive Mother Lode and District-wide exploration drill results, is encouraging for expanding and improving the economic model as our programs move forward.  Furthermore, the greater Bullfrog District is seeing a resurgence of exploration activity with multiple mining companies conducting large scale drilling programs and new discoveries being made. The North Bullfrog PEA study has highlighted a re-emergence of the Bullfrog Gold District and with Corvus Gold’s commanding land position we believe we have the District’s dominant asset base with excellent growth potential for our shareholders.”  

The North Bullfrog Project is modeled as a large open pit, run-of-mine, heap leach operation with a grinding circuit for gravity gold recovery of the high-grade YellowJacket vein and stockwork deposit.  The mining plan utilizes standard mining practices and has a production scale that is currently being used by many operating open pit mines in Nevada.  The updated North Bullfrog mineral resource estimate is shown in Table 5.    

The new PEA study also includes a number of changes to the prior North Bullfrog project (NBP) configuration which enhance the project that include:

  • Incorporating new NBP metallurgical testing results that indicated that the high-grade vein and vein stockwork mineralization at YellowJacket can be processed by a simple gravity mill and that the gravity tail can then be directly blended with low-grade mineralization for final gold recovery on the Heap Leach Pad. The approach reduced plant capital and Opex costs while maintaining relatively high gold (85%) recovery for the YellowJacket mineralization. The process plant and processing configuration for NBP has been modified to incorporate this approach.
  • Defining a starter phase of mining at NBP that focuses on the higher-grade YellowJacket vein and higher-grade heap leach mineralization to begin the project, increasing project returns and cash flow in the early mining phase.
  • Improved open-pit mining and development plans to enhance project economics.

The PEA only includes drill results completed up until May 2020.  In addition, Corvus will continue follow-up mineral resource expansion work and new discovery drilling on priority targets at both the North Bullfrog and Mother Lode properties through 2021.

Please find further information in the attachement.

Firmenkontakt und Herausgeber der Meldung:

Swiss Resource Capital AG
Poststrasse 1
CH9100 Herisau
Telefon: +41 (71) 354-8501
Telefax: +41 (71) 560-4271

Jochen Staiger
Telefon: +41 (71) 3548501
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