Supporting Technical Assessments

93 100 100 50 100 75 87 93 107 93 HQ Coring Push tube HQ Coring 14 27 21 W S 'D' S 'L' 'D' 'L' OL ML SP ML SP SM HQ HQ FILL: SILT, with some sand and gravel, trace clay, trace rootlets; brown. Soft, low plasticity. sand, well graded fine to coarse grained, fine to medium-grained well graded angular gravel, trace clay, trace rootlets. FILL 0.16m: Fine to coarse-grained, well-graded angular gravelly cobbles; grey, dense, wet. Organic SILT, with some clay; black, minor fine to medium sand, firm, wet, low plasticity. (inferred buried topsoil). SILT with minor clay and trace of fine sand; light brown, firm, wet, low plasticity. 1.5 - 1.6 appears friable Silty fine to medium, well graded SAND; light brown. Loose, wet. SILT with some clay and minor fine sand; grey, soft, wet, moderate plasticity. Fine to coarse-grained SAND; with some silt, light grey brown. Loose, wet. from 4.3m: minor fine to coarse grained weathered rhyolite gravel from 4.5-4.6m: dense Fine to medium-grained, light greyish brown RHYOLITE CRYSTAL TUFF; very weak; Breaks down to fine to coarse-grained sand, trace fine to coarse-grained gravel and some silt. from 6m: becomes weak. from 8.31m: becomes very weak. Silty fine to coarse SAND, with trace fine gravel; light grey brown. Loose. Fill Alluvium Homunga Rhyolite - Tuff 0.2 [] 1.5 [] 2.5 [] 3.0 [] 3.4 [] 5.0 [] 9.0 [] -Push Tube at 2m 5.68-,JT, 80,sm,u,, VN,Joint set 1 at 5.68m -Note: abundant drill breaks as material is fragile, not logged as defects/ weakness set or drill break set along weakness from 6m 1. Very closely spaced to closely spaced, narrow, subhorizontal, undualting, rough, tight -Manganese staining on Joint set 1 @ 7.47m 8.31-8.49,JT, undulating, rough, Manganese, very narrow, 8.63-,JT, undulating, rough, Manganese, very narrow PO Box 6543 Auckland 1141 GHD Limited Project Quattro OceanaGold Ltd Waihi - TSF3 51/37083 Site Identification: Logged: Processed: Checked: Project: Client: Site: Job No.: AP07a JM AS LP BOREHOLE with Piezo LOG Commenced: 26-May-17 Completed: 26-May-17 Contractor: Perry Geotech Datum: Mine (1000 m) Total Depth: 27.3m Sheet 1 of 3 BOREHOLE LOG NZ ALT 5137083_NZ LIB_PROJECT QUATTRO - TSF3 LP COMPLETE DRAFT.GPJ NZ GINT DATA TEMPLATE VER 1.5.GDT 10/8/17 Piezometer Shear Vane: Drilling Method 1 2 3 4 5 6 7 8 9 10 -90 Comments: ROCK DESCRIPTION: Weathering, colour, fabric, ROCK NAME (Formation Name) W MS VS S Water Bore Diameter (mm): Inclination: VW ES Core Run / Recovery (%) 20 60 200 600 2000 SOIL DESCRIPTION: (Soil Code), Soil Name [minor MAJOR], colour, structure [zoning, defects, cementing], plasticity or grain size, secondary components, structure. (Geological Formation) / Defect Spacing (mm) RQD (%) Estimated Rock Strength EW Graphic Log Classification Support / Casing (m) tractor JD Tractor Rig Depth (m)/ [Elev.] Equipment: Weathering Consistency/ Relative Density Moisture Condition TESTS & SAMPLES / ROCK MASS DEFECTS: Depth, Type, Inclinations, Roughness, Texture, Aperture, Coating Geological Fm 1 2 3 4 5 6 7 8 9 10 96 F 'L' Coordinates: Refer to attached Table Elevation: Refer to attached Table Ash

RkJQdWJsaXNoZXIy MjE2NDg3