FINAL TOPSOIL RESIDUAL SOIL - ALLOPHANE WHIRITOA ANDESITE - COLUVIUM/SLIP WHIRITOA ANDESITE SILT with some sand; dark brown. Very soft; moist; low plasticity; trace rootlets; sand, fine to medium (TOPSOIL) Sandy silty CLAY; orangish brown. Very soft; moist; high plasticity; sand, fine (RESIDUAL SOIL - ALLOPHANE) CORE LOSS Silty CLAY; orangish brown. Very soft; moist; high plasticity CORE LOSS Sandy silty CLAY with some gravel; reddish brown. Very soft; moist; high plasticity; gravel, fine to medium, sub angular to sub rounded, grey completely weathered, extremely weak, andesite Silty CLAY with trace sand and gravel; orangish brown mottled grey. Firm; moist; high plasticity; sand, fine to medium; gravel, fine, sub angular to sub rounded, completely weathered, extremely weak andesite Sandy silty CLAY; orangish brown. Firm; moist; high plasticity; sand, fine 4.50 becomes stiff Completely weathered; orangish brown; massive welded TUFF; extremely weak; locally stained orange and black; recovered as gravel sized fragments (WHIRITOA ANDESITE - COLLUVIUM/SLIP) CORE LOSS Silty sandy GRAVEL with cobbles and boulders; grey and brown. 'Dense'; moist; gravel, fine to coarse, sub angular to sub rounded, slightly weathered to highly weathered, weak to strong porphyritic andesite; iron and manganese staining across clast boundaries; sand, fine to coarse; brown. Silt matrix possibly washed out during drilling Slightly weathered; grey; massive; porphyritic ANDESITE; strong; unaltered; magnetic iron staining along defects (WHIRITOA ANDESITE) 9.15 JT, 60°, u, r, VN, Fe, trace clay 9.40 JT, 30°, u, r, VN, Fe, trace clay 15-09-2020 15-09-2020 16-09-2020 16-09-2020 0.2 0 0.55 1.1 1 0.8 2.4 3.4 5.5 6.66.45 8.85 CW SW VS VS VS VS F F St 'D' M M M M M M M HQTT HQTT SPT HQTT HQTT SPT HQTT HQTT SPT HQTT SPT HQTT SPT HQTT SPT HQTT SPT 1/0 0/1 0/1 N = 2 SPT 0/1 0/2 3/2 N = 7 SPT 1/2 2/3 3/3 N = 11 SPT 3/1 8/4 4/4 N = 20 SPT 2/2 2/3 4/4 N = 13 SPT 50 for 15mm N > 50 TCR: 69 TCR: 86 TCR: 100 TCR: 100 TCR: 100 TCR: 90 TCR: 100 TCR: 100 RQD: 12 TCR: 100 RQD: 11 TCR: 100 RQD: 100 0 1 2 3 4 5 6 7 8 9 10 Geological Unit Material Description Instrumentation Installation Commenced: 15/09/2020 Easting: 2762897.705 Hole No. : WFBH011 Completed: 16/09/2020 Sheet : 1 of 2 Hole Length : 15.08 Project : WKP Exploration Tunnel - Ground Investigation Client : Oceana Gold Corporation / GWS / Golder Job Number: 12533958 Processed : HJ System: NZMG 1949 Northing: 6423934.452 Checked : JHS Datum: NZVD2016 Logged : HJ Site : Willows Farm, Waihi North, Scale @ A4 : 1:50 Method: SURVEY RL: 233.18 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 15/09/20 10:00 2.36 4.8 15/09/20 17:00 3.16 9 16/09/20 12:00 8.96 12 16/09/20 17:00 8.04 15 End of Hole @ 15.08m Tunnel Alignment - Gully Crossing Piezo Contractor: Alton Drilling Ltd SPT ETR: 81% Depth (m) 1 2 3 4 5 6 7 8 9 RL (m) 233 232 231 230 229 228 227 226 225 224 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 (%)
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