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Hayden Hill

Project History

  • Amax Gold Inc., a subsidiary Amax Inc., bulk mined Hayden based on a shallow, disseminated mineralization model.
  • Historic drilling was limited in scope and depth: 742 holes (327,514 ft), avg. only 441 ft (<150m).
  • Approximately 480,000 ozs of gold and 1.3 million ozs of silver were recovered.
  • Amax Inc. merged with Cyprus in the mid-1990’s which led to the shutdown of Hayden’s operations to focus on copper and molybdenum projects.
  • Kinross acquired Amax Gold in 1997 focusing on three properties, two to develop and one to mine. Kinross did not explore Hayden.

Project Highlights

  • Hayden has not been drill-explored for 27 years.
  • During this period, exploration techniques and understanding of the Low Sulfidation deposit model have significantly evolved.
  • The Four Nines geological team, through 3D modelling of all available data, has determined that Hayden gold mineralization is structurally controlled.
  • The core of Hayden Hill property is comprised of private lands.

3d Modelling

Four Nines has created a comprehensive 3d modelling of all available data sets for Hayden Hill:

  • Grade shells for historically mined mineralization generated
  • Shells envelope > 75% of mineralized drill intervals and surface samples
  • Mapped epithermal banded veins (green color in subsequent slides) and hydrothermal breccia bodies are present in the core of most of the modeled zones – strong structural control
  • Data-indicated mineralization present beneath the current pits
  • Geologically-indicated extensions to mineralization also modeled (blue shape)

The Plan

  • Opportunity: Our expert geological team has applied an advanced understanding of Hayden Hill geology, and the low sulfidation deposit model, to identify significant potential of undeveloped gold and silver mineralization.
  • Objective: Drill to confirm a data-driven understanding of significant mineralization below and peripheral to the current pits and revive a past-producing gold and silver mine.
  • Approval:  10 sites at < 10 acres total new disturbance for up to 25,000 feet of PQ core.
  • Drillhole Plan:   Target potential high-grade feeder zones identified by integrating surface mapping and sampling results with modelled historical drill data.
  • Environmental Considerations:   Maximize current infrastructure and minimize new disturbances.

LOOKOUT PIT

  • Significant pit production by Amax
  • Multiple discrete mineralized veins
  • Multiple exploration holes with intact mineralized intercepts
  • Excellent access on historical ramp
  • Multiple permitted drill sites

Targets

  • Historical drilling with high-grade intercepts
  • Northerly trending structures to depth and breccia bodies

NORTHERN HIGH-GRADE TARGET

  • High quality target
  • Multiple historical exploration holes indicate strong targets beneath the current pit
  • Proposed drill hole indicated in green
  • Open to depth

Targets

  • Northerly trending veins
  • Drill-indicated mineralization beneath the pit
  • High-grade

LOWER TELEGRAPH TARGET

  • High-quality, data driven drill target beneath historical pit wall
  • Drill targets are deeper extensions of the controlling veins and breccia
  • Proposed drill hole shown by green line

Targets

  • Two prominent parallel northerly trending mineralized structures
  • Projected feeder zone at depth (blue)

NOSE TARGET

  • Highest surface gold grade 45.4 g/t
  • Numerous high-grade values from surface samples
  • The Nose Zone can be drill-explored, at depth, from a location at the bottom of the Lookout Pit
  • Historical exploration mineralized intervals correlate well to the modeled vein surfaces
  • Main NE trending vein set intersected by NW trending veins
  • Historical exploration mineralized intervals correlate well to the modeled vein surfaces
  • Hydrothermal breccia bodies (blue) along, and at intersection of veins
  • Numerous high-grade values from surface samples 
  • Permitted drill site to explore at depth

Targets

  • NE trending veins to depth
  • NE-NW vein intersections to depth
  • Hydrothermal breccia bodies

PROVIDENCE PIT

  • Highest gold value for the Providence Zone is 37.9 g/t
  • Hayden Hill historical underground production was from the Golden Eagle veins (i.e., 4 – 7 meters wide with gold grades up to 30 g/t)
  • One (1) drill station to explore the intersection of the Providence and Golden Eagle zones
  • Permitted drill site to explore at depth

Targets

  • NE trending veins to depth
  • NE-NW vein intersections to depth
  • Hydrothermal breccia bodies

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