Figure 3.12 Job Number Revision 0 12552081 N:\NZ\Christchurch\Projects\51\12526951\GIS\Maps\Deliverables\12552081\12552081_Z007_Gladstone_GOPExcavationResults.ai © 2021. Whilst every care has been taken to prepare this map, GHD make no representations or warranties about its accuracy, reliability, completeness or suitability for any particular purpose and cannot accept liability and responsibility of any kind (whether in contract, tort or otherwise) for any expenses, losses, damages and/or costs (including indirect or consequential damage) which are or may be incurred by any party as a result of the map being inaccurate, incomplete or unsuitable in any way and for any reason. Date 07 Dec 2021 Data source: GHD. Created by:jrprice Level 3, 138 Victoria Street, PO Box 13 468, Christchurch 8141, New Zealand T 64 3 378 0900 F 64 3 378 8001 E [email protected] W www.ghd.com Oceana Gold Limited Waihi North GOP Excavation Results LEGEND Weathered Andesite Hydrothermal Breccia Groundwater Flow Direction Wetland / tributory Proposed Gladstone Pit Potentiometric groundwater level Groundwater Recharge RT Dacite Andesite Ash / Regolith Volcaniclastic Sandy Ignimbrite 100 0 200 300 400 500 600 700 800 900 1000 1100 Ohinemuri Tributary TB5 980 1000 1020 1040 1060 1080 1100 1120 1140 1160 1180 GOP excavated to maximum depth Infiltration to deeper groundwater Favona vein system dewatered Gladstone wetland & Ohinemuri Tributary TB4 EAST Distance (m) 50 0 Favona vein system dewatered Ohinemuri River (OH6) Ohinemuri River (OH3) 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 950 970 990 1010 1030 1050 1070 1090 1110 1130 1150 Level (m RL) WEST GOP excavated to maximum depth Infiltration to deeper groundwater Infiltration to deeper groundwater Distance (m) NORTH SOUTH Level (m RL)
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