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Visit AUSQUEST.COM.AU for AusQuest’s interactive Investor Hub AusQuest Limited ABN 35 091 542 451 | 8 Kearns Crescent Ardross WA 6153 Visit Investor Hub for further updates January 6th, 2026 DIAMOND AND RC DRILLING SUBSTANTIALLY EXPANDS SCALE OF COPPER MINERALISATION AT CANGALLO • Recent diamond and Reverse Circulation (RC) drilling has significantly increased the size of the porphyry copper-gold system(s) at Cangallo. • Diamond drilling (two holes for a total of 1,630m) has extended the mineralised vein system to a depth of over 800m in the area covered by Stage 1 and 2 drilling. • Stage 3 RC drilling (six holes completed to date) has intersected visual copper oxides and sulphide mineralisation (chalcopyrite) more than 500m south of the earlier drilling. • The potential of this exciting new copper discovery continues to grow – with the mineralised system(s) now extended by drilling for more than 1.0km from north to south with potential for further expansion as RC drilling progresses to the south. • Initial assay results from the RC drilling program are expected later this month. • Results from RC drilling will help guide the next diamond drilling program. AusQuest Limited (“AusQuest” or the “Company”) (ASX: AQD) is pleased to advise that recently completed diamond drilling and the RC drilling program that is currently in progress have significantly expanded the scale of the porphyry copper-gold system at its 100%-owned Cangallo Porphyry Copper-Gold discovery in Peru. Figure 1: Cangallo Prospect showing location of completed and planned Stage 3 RC drill-holes. 2 Preliminary visual inspection of drill-chips from the first six RC drill-holes indicates that copper oxides and sulphides are present in all drill-holes to varying degrees, extending the strike length of the mineralisation at least 500 metres to the south of Stage 1 and 2 drilling – effectively increasing the size of the overall porphyry system to more than 1.0 kilometre from north to south (Figure 1). Copper continues to occur in stockwork veins and veinlets within the host volcanics, but in some drill-holes there is evidence of porphyry dykes that appear to be mineralised. RC drill samples are being sent to the ALS laboratory in Lima for analysis. Initial assay results are expected to be available in January 2026. (Cautionary Statement: Visual estimates of mineral abundance should never be considered a proxy or substitute for laboratory analyses where concentrations or grades are the factor of principal economic interest. Visual estimates also potentially provide no information regarding impurities or deleterious physical properties relevant to valuations. A summary log of visual estimates of mineralisation for drill- holes CANRC022 and CANRC027 is provided in Table 2 below.) Diamond Drilling: Initial diamond drilling (two holes for a total of 1,630m) has been completed to test the depth extent of the hypogene copper (sulphide mineralisation) below the current level of RC drilling, and provide insights into the geological relationships and controls on the mineralisation. Significant intersections from these drill-holes are shown in Figure 2 and provided in Table 1 below. Figure 2: Cangallo Porphyry Copper Prospect showing RC and diamond drill-hole locations and significant intersections. Core logging has confirmed that copper oxides occur to depths in excess of 300m and sulphide mineralisation to depths exceeding 800m. The main oxide minerals are malachite, chrysocolla and atacamite with sulphide mineralisation dominated by chalcopyrite, chalcocite 3 and bornite with rare covellite. Supergene enrichment appears to have upgraded the copper mineralisation in parts of the system. Table 1: Significant intersections from the diamond drilling program include: Hole Number From (m) To (m) Interval (m) Cu % Au ppm Mo ppm Ag ppm CANDD001 212 220 8 0.11 0.02 53 0.08 284 294 10 0.12 0.02 43 0.41 430 442 12 0.12 0.03 55 0.20 458 478 20 0.14 0.03 55 0.20 546 624 78 0.17 0.04 27 0.33 662 676 14 0.12 0.02 51 0.20 686 830 EOH 144 0.15 0.04 30 0.29 CANDD002 5 560 555 0.26 0.06 16 0.36 including 32 68 36 0.38 0.11 5 0.06 120 130 10 0.5 0.08 22 0.40 350 380 30 0.5 0.08 19 0.63 406 426 20 0.42 0.08 16 0.57 456 480 24 0.40 0.08 27 0.37 500 522 22 0.41 0.11 26 0.82 542 556 14 0.44 0.11 21 1.02 580 610 30 0.19 0.07 45 0.34 622 664 42 0.17 0.04 16 0.30 Broad copper intervals determined using a 0.1% Cu cut-off and an internal waste of 6 metres. Gold, molybdenum and silver values were averaged for same intervals as the copper intersections Higher grade intervals (including) were determined using 0.3% Cu cut-off and 6 metre waste intervals and a minimum 10m interval Mineralisation occurs dominantly in stockwork veins and veinlets within both the andesitic and dacitic volcanics. Hypogene copper (primary sulphides) is closely associated with chlorite and sericite/muscovite alteration within veins that can be up to 2cm thick (Figures 3 and 4). The amount of copper in the rock and hence grade, appears to be controlled by the density of mineralised veins within the host volcanics. All drill-core has been orientated so that structural measurements on the various vein sets could be undertaken in order to provide vectors to the stronger parts of the mineralised system where veining is expected to be more intense. Up to four different mineralised vein sets related to the porphyry system were identified and measurements taken (Figure 4). Structural interpretation of this data is in progress to determine potential vectors to the causative intrusions. The presence of hypogene copper (sulphide mineralisation) within stockwork veins and fractures, accompanied by a variety of mineral assemblages associated with porphyry systems, provides evidence that a strongly mineralised porphyry stock could occur nearby. 4 Figure 3: Core photo from CANDD002 at 581m, showing mineralised vein within the host volcanics – chalcopyrite (brassy yellow colour) and pyrite with chlorite and sericite within the central vein surrounded by a potassic alteration selvage (quartz and K feldspar). Figure 4: Core photo from CANDD002 at 379m, showing multiple vein sets within the host volcanics and quartz sericite veins containing chalcopyrite (brassy yellow colour). Commenting on progress at Cangallo, AusQuest’s Managing Director, Graeme Drew, said: “We are very pleased with what we are seeing in the RC drilling, which is clearly extending the mineralisation a long way to the south, as we expected. It is still early days with this drilling program but initial indications are very encouraging. “Assay results for the two deep diamond drill-holes are also encouraging but in different ways. Results from CANDD001 have confirmed that the porphyry system extends to depths greater than 800m, making it potentially a very large porphyry system, while CANDD002 has extended the higher grade copper intersections from the earlier RC programs to depths up to 660 metres. “Thanks to the recently completed successful placement, we now have sufficient funds to significantly expand our drilling programs and determine the full potential of this exciting and potentially transformational new copper discovery. 5 “We look forward to keeping the market updated on the results from our drilling as they become available in the coming weeks.” Context: Peru is the second largest copper producer in the world behind Chile, with around 2.8Mt of copper being mined and processed per annum. The bulk of this production comes from around 10 large copper projects, mainly porphyries, that are located along the Andean Belt that extends from Chile in the south to Ecuador in the north. Porphyry deposits are typically large (often over 1 billion tonnes of ore) and usually open- cuttable with low waste to ore ratios. The shallower parts of these ore bodies are usually oxide ores that can be processed using heap leach methods, resulting in lower development and operational costs. There are a number of profitable large-scale operations (Cerro Verde, Cuajone, Toquepala, Quellaveco and new approved developments at Zafranal) located within the Arequipa District where Cangallo is situated, using head grades between 0.20% and 0.40% Cu. These mines have multi-decade mine-lives and are long-lived assets. The economic viability of the Peruvian resources is often affected by a range of issues including location, altitude, proximity to infrastructure and water, as well as land usage conflicts with local communities. The Cangallo Project is particularly well located with respect to the above, being close to significant infrastructure, 25km east of the town of Chala and within 10km of the coast. Community consultation has formed part of the Company’s exploration process, with no critical issues identified to date. Peru is a stable country and the government is supportive of new mine developments as they add significantly to the Peruvian economy and the communities where they are located. Graeme Drew Managing Director Visit Investor Hub for further updates COMPETENT PERSON’S STATEMENT The details contained in this report that pertain to exploration results are based upon information compiled by Mr Graeme Drew, a full-time employee of AusQuest Limited. Mr Drew is a Fellow of the Australasian Institute of Mining and Metallurgy (AUSIMM) and has sufficient experience in the activity which he is undertaking to qualify as a Competent Person as defined in the December 2012 edition of the “Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves” (JORC Code). Mr Drew consents to the inclusion in the report of the matters based upon his information in the form and context in which it appears. FORWARD-LOOKING STATEMENT This report contains forward looking statements concerning the projects owned by AusQuest Limited. Statements concerning mining reserves and resources may also be deemed to be forward looking statements in that they involve estimates based on specific assumptions. Forward-looking statements are not statements of historical fact and actual events and results may differ materially from those described in the forward looking statements as a result of a variety of risks, uncertainties and other factors. Forward looking statements are based on management’s beliefs, opinions and estimates as of the dates the forward looking statements are made and no obligation is assumed to update forward looking statements if these beliefs, opinions and estimates should change or to reflect other future developments. 6 *Announcements to ASX for the Cangallo Project 2023 – 2025 Quarterly Activities and Cashflow Reports 02/12/2025 Stage 3 Drilling commences at the Cangallo Copper-Gold Discovery in Peru 12/11/2025 Diamond Drilling more than doubles depth extent of Copper mineralisation at Cangallo 30/09/2025 Diamond Drilling Commences at Cangallo 28/08/2025 Cangallo Porphyry Copper Discovery continues to grow 21/07/2025 Cangallo Drilling Progress Report 12/06/2025 Drilling Commences at Cangallo 24/04/2025 Drilling set to commence at Cangallo 05/03/2025 Drilling to extend Cangallo Cu-Au discovery 06/02/2025 Cangallo Discovery Confirmed 23/01/2025 Significant Porphyry Copper Discovery at Cangallo 17/12/2024 Drilling commences at Cangallo in Peru 09/11/2023 Cangallo Porphyry Copper Prospect Upgraded 13/11/2025 RC Drilling set to commence at Cangallo Table 2: Summary drill log of visible mineralisation in RC drill-holes Drill-hole From (m) To (m) Interval (m) Mineralisation Modes Oxide Minerals Oxide % (Visual estimate) Sulphide Minerals Sulphide % (Visual Estimate) CANRC022 35 250 215 fractures, micro veinlets & veins Mixture of chrysocolla, jarosite. neoticite 0.1% to 0.5% 250 415 EOH 165 fractures, microveinlets & veins mixture of pyrite chalcopyrite, chalcocite 0.1% to 0.5% CANRC023 10 130 120 veins, veinlets & fractures jarosite, limonite neoticite 0.1% to 0.5% 250 320 EOH 70 veins, veinlets & fractures 0.1% chalcopyrite, pyrite, chalcocite pyrite 1% chalcopyrite 0.2% CANRC024 40 80 40m veins, veinlets & fractures neotocite, jarosite, limonite 0.1% 200 420 EOH 220m veins, veinlets & fractures pyrite, chalcopyrite, chalcocite molybdenite pyrite 1% chalcopyrite 0.5% CANRC025 45 90 45m veins, veinlets & fractures Jarosite. neoticite 0.1% 7 190 220 30m veins, veinlets & fractures iron oxide jarosite 0.1% CANRC026 60 200 140m veins, veinlets & fractures Mixture of chrysocolla, atacamite, malachite 0.1% to 0.5% mixture of pyrite chalcopyrite, chalcocite 150 350 200m veins, veinlets & fractures mixture of pyrite chalcopyrite, chalcocite trace bornite pyrite 1% chalcopyrite 0.5% chaclocite 0.5% CANRC027 180 435 EOH 255m veins, veinlets & fractures chalcopyrite, pyrite, chalcocite, trace bornite pyrite 1% chalcopyrite 1% chalcocite 0.3% 1 JORC Code, 2012 Edition – Table 1 report, Reverse Circulation Drilling at Cangallo in Peru Section 1 Sampling Techniques and Data (Criteria in this section apply to all succeeding sections.) Criteria JORC Code explanation Commentary Sampling techniques • Nature and quality of sampling (eg cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as down hole gamma sondes, or handheld XRF instruments, etc). These examples should not be taken as limiting the broad meaning of sampling. • Include reference to measures taken to ensure sample representivity and the appropriate calibration of any measurement tools or systems used. • Aspects of the determination of mineralisation that are Material to the Public Report. • In cases where ‘industry standard’ work has been done this would be relatively simple (eg ‘reverse circulation drilling was used to obtain 1 m samples from which 3 kg was pulverised to produce a 30 g charge for fire assay’). In other cases more explanation may be required, such as where there is coarse gold that has inherent sampling problems. Unusual commodities or mineralisation types (eg submarine nodules) may warrant disclosure of detailed information. • Samples are collected using a tube sampler by spearing into each one metre sample bag and compositing samples on a two-metre basis. • Sample depths are determined by the length of the rod- string and confirmed by counting the number of samples and bags at the drill platform as per standard industry practice. • A ~4kg sample is collected for representivity. Drilling techniques • Drill type (eg core, reverse circulation, open-hole hammer, rotary air blast, auger, Bangka, sonic, etc) and details (eg core diameter, triple or standard tube, depth of diamond tails, face-sampling bit or other type, whether core is oriented and if so, by what method, etc). • RC Drilling with a face sampling bit has been used with a hole diameter of approximately 132mm. • Down-hole surveys are recorded at 10m intervals using a down-hole gyroscope probe. Drill sample recovery • Method of recording and assessing core and chip sample recoveries and results assessed. • Measures taken to maximise sample recovery and ensure representative nature of the samples. • Whether a relationship exists between sample recovery and grade and whether sample bias may have occurred due to preferential loss/gain of fine/coarse material. • Experienced RC drillers and an appropriate rig were used to provide maximum sample recovery. • Minimal to no water was encountered in all drill holes. • The weight of every bulk 1 metre sample was recorded and checked for sample recovery estimates. Sample recovery was acceptable to industry standard. • The sample weight of every laboratory sample was also collected and weighed on site for future reference. • At this early stage of exploration, it is not known if there is a relationship between sample recovery and assay grade. 2 Criteria JORC Code explanation Commentary Logging • Whether core and chip samples have been geologically and geotechnically logged to a level of detail to support appropriate Mineral Resource estimation, mining studies and metallurgical studies. • Whether logging is qualitative or quantitative in nature. Core (or costean, channel, etc) photography. • The total length and percentage of the relevant intersections logged. • RC sample chips were collected into chip trays and are stored for future reference. • RC samples were logged on site during the drilling by experienced geologists to identify key rock types and mineralization styles. • Sample logging was qualitative with visual estimates of mineralization made for later comparison with assay results. • All one metre drill samples were logged. Sub-sampling techniques and sample preparation • If core, whether cut or sawn and whether quarter, half or all core taken. • If non-core, whether riffled, tube sampled, rotary split, etc and whether sampled wet or dry. • For all sample types, the nature, quality and appropriateness of the sample preparation technique. • Quality control procedures adopted for all sub-sampling stages to maximise representivity of samples. • Measures taken to ensure that the sampling is representative of the in situ material collected, including for instance results for field duplicate/second-half sampling. • Whether sample sizes are appropriate to the grain size of the material being sampled. • RC samples were collected every 1 metre into large plastic bags and stored in rows per depth at the drill site. • Samples were collected using a 50mm tube sampler and composited on a two metre basis. • Certified coarse blanks and fine standards are inserted approximately every 35 samples and duplicates taken every 20 samples for quality control purposes. • The sample sizes are considered appropriate for the geological materials sampled. Quality of assay data and laboratory tests • The nature, quality and appropriateness of the assaying and laboratory procedures used and whether the technique is considered partial or total. • For geophysical tools, spectrometers, handheld XRF instruments, etc, the parameters used in determining the analysis including instrument make and model, reading times, calibrations factors applied and their derivation, etc. • Nature of quality control procedures adopted (eg standards, blanks, duplicates, external laboratory checks) and whether acceptable levels of accuracy (ie lack of bias) and precision have been established. • Assaying of the drill samples is by standard industry practice. • The samples are sorted, dried, crushed then split to obtain a representative sub-sample which is then pulverized. • A portion of the pulverized sample is digested using a four acid digest (Hydrofluoric, Nitric, Hydrochloric and Perchloric) which approximates a total digest for most elements. Some refractory minerals are not completely dissolved. • Inductively Coupled Plasma Mass Spectroscopy (ICP- MS) was used to measure Ag, Al, As, Ba, Be, Bi, Ca, Cd, Ce, Co, Cr, Cs, Cu, Fe, Ga, Ge, Hf, In, K, La, Li, Mg, Mn, Mo, Na, Nb, Ni, P, Pb, Rb, Re, S, Sb, Sc, Se, Sn, Sr, Ta, Te, Th, Ti Tl, U, V, W, Y, Zn, Zr, • Au assays were provided by 30g fire assay with AA finish. • Every 2 metre composite sample is also submitted for 3 Criteria JORC Code explanation Commentary Hyperspectral analysis using a TerraSpec instrument and uploaded into the aiSIRISTM software for mineral identification and spectral output. • Assays are provided by ALS del Peru in Lima which is a certified laboratory for mineral analyses. Analytical data is transferred to the company via email. • Data from the laboratory’s internal quality procedures (standards, repeats and blanks) are provided to check data quality. • The Company collects duplicate samples on an approximate 1: 20 basis, and inserts coarse blanks on a 1:30 basis and fine blanks on a 1:35 basis and fine standards are inserted on a 1:35 basis. Verification of sampling and assaying • The verification of significant intersections by either independent or alternative company personnel. • The use of twinned holes. • Documentation of primary data, data entry procedures, data verification, data storage (physical and electronic) protocols. • Discuss any adjustment to assay data. • No verification of intersections was undertaken. Drilling is still wide spaced and semi-reconnaissance in nature. • All primary sample data is recorded onto a printed sheet on site and uploaded to a site laptop, all geological data is recorded at the drill platform on a site laptop and downloaded daily and onto an external backup. • No adjustments have been made to the assay data. Location of data points • Accuracy and quality of surveys used to locate drill holes (collar and down-hole surveys), trenches, mine workings and other locations used in Mineral Resource estimation. • Specification of the grid system used. • Quality and adequacy of topographic control. • Drill hole collars including elevation are located by hand held GPS to an accuracy of approximately 5m. • All surface location data are in WGS 84 datum, UTM zone 18S. Data spacing and distribution • Data spacing for reporting of Exploration Results. • Whether the data spacing and distribution is sufficient to establish the degree of geological and grade continuity appropriate for the Mineral Resource and Ore Reserve estimation procedure(s) and classifications applied. • Whether sample compositing has been applied. • RC drill-holes were sited to test for mineralization at shallow depths within a broader intrusive complex and testing for broad zones of stockwork veining associated with a hydrothermal mineralised system • Samples were composited on a 2 metre basis. Orientation of data in relation to geological structure • Whether the orientation of sampling achieves unbiased sampling of possible structures and the extent to which this is known, considering the deposit type. • If the relationship between the drilling orientation and the orientation of key mineralised structures is considered to have introduced a sampling bias, this should be assessed and reported if material. • Any bias due to the orientation of the drilling is unknown at this early stage of exploration. Sample security • The measures taken to ensure sample security. • Sample security is managed by the operator of the Project. 4 Criteria JORC Code explanation Commentary Procedures match with Industry best practice. • Samples are collected into securely tied bags and placed into cable-tied plastic bags for transport to the laboratory. Each sample batch has a sample submission sheet that lists the sample numbers and the work required to be done on each sample. • Samples were transported to the laboratory by company vehicle using trusted company personnel. • Sample pulps (after assay) are held by the laboratory and returned to the company after 90 days. Audits or reviews • The results of any audits or reviews of sampling techniques and data. • No reviews or audits of the sampling techniques or data have been carried out to date. Section 2 Reporting of Exploration Results (Criteria listed in the preceding section also apply to this section.) Criteria JORC Code explanation Commentary Mineral tenement and land tenure status • Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures, partnerships, overriding royalties, native title interests, historical sites, wilderness or national park and environmental settings. • The security of the tenure held at the time of reporting along with any known impediments to obtaining a licence to operate in the area. • The Cangallo project is located approximately 25 km east of the town of Chala in the south of Peru. • The Cangallo project comprises 14 granted mineral concessions. The tenements are held by Questdor which is a 100% subsidiary of AusQuest Limited. • There are no major heritage issues to prevent access to the tenements. A drill permit (FTA) has been provided by INGEMMET for the drilling program following environmental, and community approvals. Exploration done by other parties • Acknowledgment and appraisal of exploration by other parties. • No historic exploration data is available. Geology • Deposit type, geological setting and style of mineralisation. • The Cangallo project is targeting Porphyry deposits along the coastal belt of southern Peru. These are large scale disseminated copper (and gold) deposits found within orogenic belts that surround the Pacific Rim. The deposits can be really large requiring significant drilling 5 Criteria JORC Code explanation Commentary to evaluate. Drill hole Information • A summary of all information material to the understanding of the exploration results including a tabulation of the following information for all Material drill holes: o easting and northing of the drill hole collar o elevation or RL (Reduced Level – elevation above sea level in metres) of the drill hole collar o dip and azimuth of the hole o down hole length and interception depth o hole length. • If the exclusion of this information is justified on the basis that the information is not Material and this exclusion does not detract from the understanding of the report, the Competent Person should clearly explain why this is the case. • All relevant drill hole data and information are provided below. Data aggregation methods • In reporting Exploration Results, weighting averaging techniques, maximum and/or minimum grade truncations (eg cutting of high grades) and cut-off grades are usually Material and should be stated. • Where aggregate intercepts incorporate short lengths of high grade results and longer lengths of low grade results, the procedure used for such aggregation should be stated and some typical examples of such aggregations should be shown in detail. • The assumptions used for any reporting of metal equivalent values should be clearly stated. • N/A for this report. Relationship between mineralisation widths and intercept lengths • These relationships are particularly important in the reporting of Exploration Results. • If the geometry of the mineralisation with respect to the drill hole angle is known, its nature should be reported. • If it is not known and only the down hole lengths are reported, there should be a clear statement to this effect (eg ‘down hole length, true width not known’). • All intervals reported will be down-hole lengths. True widths will be unknown at this stage. Diagrams • Appropriate maps and sections (with scales) and tabulations of intercepts should be included for any significant discovery being reported These should include, but not be limited to a plan view of drill hole collar locations and appropriate sectional views. • All drill holes are shown on appropriate plans and included in the ASX release. • Drill-hole cross sections will be provided when sufficient drilling has been completed to make the cross sections meaningful. Balanced reporting • Where comprehensive reporting of all Exploration Results is not practicable, representative reporting of both low and high grades and/or widths should be practiced to avoid misleading reporting of Exploration Results. • At this early stage of drilling, only significant assay results will be reported. Other substantive exploration data • Other exploration data, if meaningful and material, should be reported including (but not limited to): geological observations; geophysical survey results; geochemical survey results; bulk samples – size and method of treatment; metallurgical test results; bulk density, groundwater, geotechnical and rock characteristics; potential deleterious • The relationship between this third phase of RC drilling and previous exploration data is shown in the report. 6 Criteria JORC Code explanation Commentary or contaminating substances. Further work • The nature and scale of planned further work (eg tests for lateral extensions or depth extensions or large-scale step-out drilling). • Diagrams clearly highlighting the areas of possible extensions, including the main geological interpretations and future drilling areas, provided this information is not commercially sensitive. • Further RC drilling will be dependant on results of this program. Drill-Hole Details Hole_ID East (m) North (m) RL (m) Azimuth Inclination Planned Depth CANRC022 603630 8244710 1161 90 -60 400 CANRC023 603630 8244710 1161 270 -60 400 CANRC024 603880 8244700 1166 270 -60 400 CANRC025 603775 8244454 1162 90 -60 400 CANRC026 603775 8244454 1162 270 -60 400 CANRC027 603450 8244442 1154 90 -60 400 Projection: WGS84 Zone 18S 1 JORC Code, 2012 Edition – Table 1 report, Diamond Drilling at Cangallo in Peru Section 1 Sampling Techniques and Data (Criteria in this section apply to all succeeding sections.) Criteria JORC Code explanation Commentary Sampling techniques • Nature and quality of sampling (eg cut channels, random chips, or specific specialised industry standard measurement tools appropriate to the minerals under investigation, such as down hole gamma sondes, or handheld XRF instruments, etc). These examples should not be taken as limiting the broad meaning of sampling. • Include reference to measures taken to ensure sample representivity and the appropriate calibration of any measurement tools or systems used. • Aspects of the determination of mineralisation that are Material to the Public Report. • In cases where ‘industry standard’ work has been done this would be relatively simple (eg ‘reverse circulation drilling was used to obtain 1 m samples from which 3 kg was pulverised to produce a 30 g charge for fire assay’). In other cases more explanation may be required, such as where there is coarse gold that has inherent sampling problems. Unusual commodities or mineralisation types (eg submarine nodules) may warrant disclosure of detailed information. • The entire cored hole is sampled (except for Quaternary cover sequence). Composite samples are being colle