FINAL Topsoil RIVER TERRACE DEPOSITS RESIDUAL SOIL - ALLOPHANE SILT with some sand; dark brown. Very soft; moist; low plasticity; trace rootlets; sand, fine to medium (TOPSOIL) CORE LOSS Sandy clayey SILT; brown. Very soft; moist; high plasticity (RIVER TERRACE DEPOSITS) Clayey SILT with some sand; brown. Soft; moist; high plasticity; sand, fine CLAY with some silt; reddish brown. Soft; moist; extremely high plasticity 2.00 XRD lab test results: halloysite, cristobalite 3.00 Becomes very soft 3.50 Becomes orangish brown BOULDERS with some gravel; grey. Very dense; iron staining on clast surfaces; gravel, coarse, sub angular to sub rounded, slightly weathered; strong porphyritic andesite CORE LOSS (inferred gravel) Sandy silty CLAY; grey mottled orange and brown. Firm; moist; high plasticity; sand, fine to coarse (RESIDUAL SOIL - ALLOPHANE) Silty CLAY with some sand; orangish brown mottled grey. Stiff; moist; high plasticity; sand, fine to medium 7-09-2020 7-09-2020 23-09-2020 0.2 0 0.7 1 1.8 5.5 6.5 7.1 8.8 9.8 CW VS VS VS S VS VD F St M M M M M M M HQTT SPT HQTT HQTT SPT HQTT SPT HQTT SPT HQTT HQTT SPT HQTT HQTT SPT HQTT HQTT SPT HQTT SPT 0/0 1/0 0/1 N = 2 SPT 1/0 0/1 1/1 N = 3 SPT 0/0 1/0 0/0 N = 1 SPT 0/0 0/0 0/1 N = 1 SPT 1/6 6/41 3 for 5mm N > 50 SPT 1/0 1/0 2/2 N = 5 SPT 3/4 4/4 3/3 N = 14 2.00 2.45 SPT-D1 TCR: 50 TCR: 100 TCR: 250 TCR: 100 TCR: 133 TCR: 145 TCR: 110 TCR: 101 TCR: 25 TCR: 120 TCR: 109 TCR: 100 0 1 2 3 4 5 6 7 8 9 10 Geological Unit Material Description Instrumentation Installation Commenced: 7/09/2020 Easting: 2763719.184 Hole No. : WFBH002 Completed: 7/09/2020 Sheet : 1 of 2 Hole Length : 12.45 Project : WKP Exploration Tunnel - Ground Investigation Client : Oceana Gold Corporation / GWS / Golder Job Number: 12533958 Processed : HJ System: NZMG 1949 Northing: 6423833.114 Checked : JHS Datum: NZVD2016 Logged : HJ Site : Willows Farm, Waihi North, Scale @ A4 : 1:50 Method: SURVEY RL: 158.228 m Water level Notes and Comments: Refer to explanation sheets for abbreviation and symbols. Shear Vane values are corrected. Ground Water Level Time Date Reading Hole depth (mbgl) (mbgl) Equipment: Tractor Rig, (Rig 83) Orientation: Inclination: Vertical 07/09/20 10:00 1.78 3 07/09/20 12:00 2.95 6 07/09/20 14:00 2.22 9 07/09/20 17:00 2.74 12.45 23/09/20 00:00 5.98 6.7 End of Hole @ 12.45m Silt Pond Area No water return information Field soil descriptions have been adjusted to reflect lab test results were applicable Contractor: Alton Drilling Ltd SPT ETR: 81% Depth (m) 1 2 3 4 5 6 7 8 9 RL (m) 158 157 156 155 154 153 152 151 150 149 Graphic Report ID: GENERAL_LOG-BK1 || Project: WILLOWS FARM BHS.GPJ || Library: GHD - NZGD.GLB || Date: 10 May 2021 Weathering Flush Return (%) 25 50 75 Consistency / Relative Density Moisture condition Casing Method Result Sample Number / Type Estimated Strength (MPa) Defect Spacing (mm) EW VW W MS VS ES 20 60 200 600 2000 TCR SCR RQD (%) 7-09-2020 7-09-2020
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