WKP PFS – Geotechnical Section Approved by: Approval Date: TBA OceanaGold PEX-000-PLN-046-A Page 3 of 22 Figure 2: Western decline access lithology Figure 2 shows a cross-section (looking north) through the Western Decline stope access. Most of the stopes and access drives from the Western Decline are located within an unclassified lithology (no wireframe model for this area). The far western side of the access drives are located within the Northern Rhyolite Flow. The stopes and ore drives located on the northern side of the South Decline are located within the Eastern Rhyolite Flow. Figure 3: Northern decline access lithology Figure 3 shows a cross-section (looking north) through the Northern Decline stope access. The stopes and access drives are located within the Northern Rhyolite Flow.
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