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Farallon's G-9 Mine was discovered, financed, and constructed in under 4 years. This is a remarkable achievement of development for a mining company to bring a blind, greenfield discover into production in under 4 years.

Site Advantages:

A site layout for the G-9 Mine can be seen in the following figure below. The operation has many distinct advantages as well including:
  • 22 km from main power transmission line
  • 34 km from paved Mexican highway system
  • Plentiful local water supply
  • 700 km to established concentrate export terminal
  • Very compact location, low disturbed land area
  • Mine-Site uses topography to its advantage
  • Naranjo Valley- good access to all facilities
  • Mine utilizes decline access, no shaft access.
  • Gravity tailings
  • "V" shaped tailings storage dam

click to enlarge

Farallon's G-9 Project Scope:

Project throughput - 550,000 tpy (aprrox. 1,500 tpd)
Mine access - Dual Decline from the Naranjo valley
Mining Method - Primary Mining method is open stoping
Ore delivery to Crusher - Truck haulage from underground to minesite
Processing - Flotation of zinc, copper and lead concentrates
- silver and gold by-product production
Tailings - Tailings storage and water sourcing will be in Naranjo valley


Infrastructure:

Power - 22 km from main power transmission line
Road Access - 34 km from paved Mexican highway system
Water Supply - Excellent water supply from contained local rainfall
Terminal - Concentrate trucked to the shipping terminal port of Manzanillo 700km away.


Farallon's Parallel Track Approach:

The Company followed a "Parallel Track" strategy with respect to its approach to the development of the G-9 deposit. In effect the Company advanced exploration, permitting, mine and mill design, equipment acquisition, mill construction and mine pre-development work concurrently.

A parallel-track strategy for the G-9 deposit involves incurring some expenditures as if a positive production decision had already been made. This strategy may be contrasted with a more conventional approach whereby expenditures of a post-production decision nature, such as ordering plant and equipment, constructing site access roads and power lines, are deferred until a formal production decision has been made, based usually on the results of a feasibility study. By contrast, the parallel-track strategy accepts that the risks that some of the expenditures outlined might prove to be either wasted if theproduction decision is negative and the property ultimately abandoned; or inefficient if a positive decision is made using a different mine plan (in which case the parallel-track approach weighs this risk against the benefits of potentially being in production sooner). The strategy takes into account that some of the parallel-track expenditures will benefit the project if a production decision is merely deferred.

In Farallon's case, the strategy worked remarkably well, with very few hiccups. So much so, that the mine and mill were built substantially on-time and on-budget. The mine and mill were in operation on July 1, 2008 and the final project cost was only 20% above the Company's Preliminary Economic Assessment cost of US$125 million.

Diagram of the Parallel Track Approach

click to enlarge
G-9 Mine : Overview Location History of G-9 Development Production & Mine Plan Processing Marketing

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