Supporting Technical Assessments

2000 2500 3000 3500 1800 1900 2100 2200 2300 2400 2600 2700 2800 2900 3100 3200 3300 3400 MAIN DRIVE Lineament NE Lineament NE Lineament SE Lineament NE 0 100 200 300 400 500 -100 -200 This Drawing must not be used for Construction unless signed as Approved Date Check Drafting Date Drawn Revision No A1 Rev: Drawing No: Original Size Title Project Client Check Designer Drawn Scale Design Conditions of Use. This document may only be used by GHD's client (and any other person who GHD has agreed can use this document) for the purpose for which it was prepared and must not be used by any other person or for any other purpose. DO NOT SCALE Note: * indicates signatures on original issue of drawing or last revision of drawing GHD Pty Ltd 11/F Alphaland Southgate Tower 2258 Chino Roces Ave corner EDSA Makati City 1232 Philippines T 63 2 479 5600 F 63 2 479 5601 E [email protected] W www.ghd.com Plot Date: Cad File No: 17 August 2020 - 2:31 PM C:\Users\nburke\Desktop\WKP C drive\master_section_newalignment.dwg Plotted by: Nick Burke (Project Director) Approved Job Manager Project Director DISTANCE (m) ELEVATION (m) OCEANA GOLD LIMITED WKP EXPLORATION TUNNEL - WATER ASSESSMENT CONCEPTUAL GEOLOGICAL LONGSECTION DRAFT 17082020 Q002 A PRELIMINARY 1:2500 @ A1 NICK BURKE NICK BURKE DM NE NE 17082020 A CONCEPTUAL NB TM NE 082020Y LONGSECTION 2 - CH 1723 TO CH 3567 SCALE 1:2500 0 75 50 SCALE 1:2500 AT ORIGINAL SIZE 25 100 125m LEGEND OMAHINE SUBGROUP WHAKAMOEHAU ANDESITE (ow) WHIRITOA ANDESITE (ah) WAIHAREKEKE DACITE (ae) WAIPUPU FORMATION "andesite" (aw) STRUCTURAL LINEAMENT STRUCTURAL FAULT GNS MAPPED HYDROTHERMAL ALT TUNNEL ALIGNMENT U D SMECTITE SURFICIAL ALTERATION ILLITE-SMECTITE ALTERATION SILICIFICATION/ FULL QUARTZ ALTERATION

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