14 80 33 98 51 65 89 100 HQ Coring RS W W M W W-S W StVSt VSt S VSt F StVSt VStH H VS F St VSt H VSt ML CH ML CH ML CI ML HW Very poor core recovery between 9.0m-10.5m: SILT, some clay, some fine to coarse sand; grey, stiff to very stiff, wet, non plastic [residual soil weathering from parent rock] CLAY, some silt; grey with pink streaks, very stiff, wet, high plasticity [residual soil weathering from parent rock] from 11.2m: dark grey SILT, some fine to coarse sand, some clay; grey, soft, wet, low plasticity [residual weathering from parent rock] CLAY, some silt; dark grey, very stiff, wet, high plasticity [residual soil weathering from parent rock] SILT, minor fine to coarse sand, trace clay; blackish grey, firm wet, non plastic [residual soil weathering from parent rock from13.7m: minor clay; grey, firm, wet, low plasticity [residual soil weathering] Clayey SILT, some fine to coarse sand; grey, moist, stiff to very stiff, medium to high plasticity [residual soil weathering from parent rock] - slight white mottling in core [weathered phenocryst of Na plagioclase from volcanic rock] from 15.1m: moist to wet, very stiff to hard Residual soil, extremely weathered, grey with white mottles, clayey SILT, minor fine to coarse sand, wet, hard, moderate to hard plasticity [VOLCANIC ROCK] SILT, some fine to coarse sand, brown, very soft, wet to saturated, non plastic SILT, some clay, minor fine sand, dark greyish brown, wet, firm, low plasticity Clayey SILT, trace fine to coarse sand, grey, wet, stiff, moderate to high plasticity, mottled white [weathered phenocrysts] from 17.5m: very stiff, dark brownish grey from 17.7m: hard, greenish staining/ colouring (mainly dark brownish grey) from 18m: very stiff, dark brownish grey Weathered Volcanics Coromandel Volcanics 10.0 [] 10.6 [] 11.5 [] 12.0 [] 13.5 [] 14.0 [] 16.0 [] 16.5 [] 16.7 [] -Note: at 12.0m water pressure increase and loss of water circulation in drillpotentially artesian -at 13.5m water pressure increase -at 13.7m further increase of water pressure -from 15.016.5m: low recovery [drill encountered bands of softer silty layers during run] PO Box 6543 Auckland 1141 GHD Limited Project Quattro OceanaGold Ltd Waihi- Gladstone 51/37083 Site Identification: Logged: Processed: Checked: Project: Client: Site: Job No.: GLD01b HB AS HB BOREHOLE with Piezo LOG Commenced: 20-Jun-17 Completed: 20-Jun-17 Contractor: Perry Geotech Datum: Total Depth: 33.0m Sheet 2 of 4 BOREHOLE LOG NZ ALT 5137083_NZ LIB_PROJECT QUATTRO_FVN AND GLD HB COMPLETE DRAFT.GPJ NZ GINT DATA TEMPLATE VER 1.5.GDT 10/8/17 Piezometer Shear Vane: Drilling Method 11 12 13 14 15 16 17 18 19 20 -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) 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 11 12 13 14 15 16 17 18 19 20 96 and 114
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