Big River

Big River vein outcrop

Exploration Strategy – Alexander River

Tenement: EP 60448

Area: 44.87km2

Ownership: 100%

Historical Production: 136koz @ 34.1g/t Au (cut off grade ~15g/t Au).
Mined to 560m from 12 levels
Big River closed in 1942 due to WWII.

Status: Currently drilling high grade drill targets.

High-grade intersections & drilling strategy

Outstanding downhole diamond drilling intercepts by OceanaGold 2012
20m @ 8.1g/t Au from 127m incl.
0.8m @ 71.5g/t Au & 0.7m @ 54.5g/t Au (BR004)
3m @ 18.5g/t Au from 147m incl.
1m @ 45.2g/t Au (BR009)
1.5m @ 17.4g/t Au from 154m incl. 0.5m @ 50.4g/t Au (BR009)
2.0m @ 12.1g/t from 99m Au incl. 0.7m @ 26.6g/t Au (BR003)
2.5m @ 8.5g/t Au from 139m incl. 0.5m @ 22.7g/t Au (BR011)

High-grade intersections & drilling strategy

High-grade intersections & drilling strategySchematic long section through Alexander reef system. Proposed drillholes shown by grey dots and exploration targets by ellipses.

Drilling strategy (2,800m)

  • Phase 1 - Drill 10 x holes (1,800m)
  • Phase 2 – Drill 7 x holes (1,000m)
Big River1 Big River 2