FINAL TOPSOIL RIVER TERRACE DEPOSITS COLLUVIUM 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; trace rootlets; sand, fine (RIVER TERRACE DEPOSITS) Silty CLAY with some sand and clay; brown. Soft; moist; high plasticity; sand, fine 1.50 Becomes firm CORE LOSS Sandy CLAY with some gravel; redish brown. Firm; moist; high plasticity; sand, fine to coarse; gravel, fine to medium, sub rounded completely weathered andesite CORE LOSS Silty CLAY; orangish brown mottled grey. Firm; moist; high plasticity Silty clayey GRAVEL with some sand and cobbles; orangish brown. Medium dense; moist; sand, fine to coarse; gravel, angular to sub angular, highly weathered andesite and welded tuff; iron staining at gravel edges (COLLUVIUM) CORE LOSS Silty clayey GRAVEL with some sand and cobbles; orangish brown. Medium dense; moist; sand, fine to coarse; gravel, angular to sub angular, highly weathered andesite and welded tuff; rare slightly weathered, strong corase gravel of porphyritic andesitel; iron staining at gravel edges (COLLUVIUM) 6.00 Becomes very dense Completely weathered; brownish red; massive welded TUFF; extremely weak (WHIRITOA ANDESITE) 8.20 - 8.85 Recovered as gravel sized fragments 0.25 0 0.6 2.525.45 3.45 3.95 4.5 4.95 5.15 7.1 CW VS VS S F F F MD VD M M M M M M OB SPT HQTT SPT HQTT SPT HQTT SPT HQTT SPT HQTT SPT HQTT SPT HQTT SPT 1/0 1/1 1/1 N = 4 SPT 1/0 1/1 1/2 N = 5 SPT 1/1 1/2 1/2 N = 6 SPT 1/2 4/5 8/8 N = 25 SPT 2/3 3/0 27 for 75mm bouncing @ 375 mm SPT 2/3 3/3 3/4 N = 13 SPT 2/2 3/3 3/3 N = 12 TCR: 100 TCR: 100 TCR: 82 TCR: 48 TCR: 76 TCR: 100 TCR: 100 TCR: 100 0 1 2 3 4 5 6 7 8 9 10 Geological Unit Material Description Instrumentation Installation Commenced: 24/08/2020 Easting: 2763752.035 Hole No. : WFBH003 Completed: 27/08/2020 Sheet : 1 of 3 Hole Length : 22.95 Project : WKP Exploration Tunnel - Ground Investigation Client : Oceana Gold Corporation / GWS / Golder Job Number: 12533958 Processed : HJ System: NZMG 1949 Northing: 6423791.265 Checked : JHS Datum: NZVD2016 Logged : HJ Site : Willows Farm, Waihi North, Scale @ A4 : 1:50 Method: SURVEY RL: 163.112 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 27/08/20 17:00 12.5 22.95 23/09/20 11:45 13.57 15 End of Hole @ 22.95m Silt Pond Area No water return information Contractor: Alton Drilling Ltd SPT ETR: 81% Depth (m) 1 2 3 4 5 6 7 8 9 RL (m) 163 162 161 160 159 158 157 156 155 154 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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