White Rock Minerals : 20150630 Extensive Sulphide Alteration Confirmed

Shareholders

 Avalon Ventures Corporation

36.80%

Board and Management

• Brian Phillips - Non-Executive Chairman

 Greenstone Property Pty Ltd

10.30%

• Geoffrey Lowe - Non-Executive Director

 Lion Capital Advisory Pty Ltd

5.02%

• Peter Lester - Non-Executive Director

 Titeline Services Pty Ltd

2.76%

• Matthew Gill - Chief Operating Officer

 Grand South Development Ltd

1.40%

• Andrew Dart - Company Secretary & CFO

TOP 20

68%

• Rohan Worland - Exploration Manager

MT CARRINGTON INDICATED & INFERRED MINERAL RESOURCE SUMMARY

Gold Dominant Resources

Resource Category

Tonnes

Au (g/t)

Gold Oz

Ag (g/t)

Silver Oz

Indicated

2,830,000

1.3

116,000

3.1

286,000

Inferred

3,810,000

1.3

158,000

2.9

353,000

Indicated & Inferred

6,640,000

1.3

275,000

3.0

639,000

Silver Dominant Resources

Resource Category

Tonnes

Au (g/t)

Gold Oz

Ag (g/t)

Silver Oz

Indicated

3,550,000

0.3

37,000

72

8,270,000

Inferred

8,950,000

0.1

27,000

51

14,533,000

Indicated & Inferred

12,500,000

0.2

64,000

57

22,803,000

Total Resources

Total

19,140,000

338,000

23,442,000

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







All drilling is PQ, HQ or NQ diamond core from surface. Sampling is undertaken on selected 1m intervals unless defined otherwise by geological characteristics.

Core is split in half (or ¼ core for PQ) by automated core

gamma sondes, or handheld XRF instruments,

etc). These examples should not be taken as limiting the broad meaning of sampling.

saw to obtain a 3-4.5kg sample for external laboratory preparation and analysis. The oriented portion is retained for future reference.





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





Based on the grain size and distribution of mineralisation the sample size and mass is considered adequate for representative sampling.

Sampling accuracy and representativeness is ensured through comprehensive geotechnical and geological logging and oriented sampling along the apex of relevant mineralisation and veining.

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.

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).







All drilling is PQ, HQ or NQ diamond core from surface. Chrome barrels are used to maintain hole orientations. Triple tube is implemented as warranted by ground conditions.

All diamond core is oriented via an Islex Orifinder tool.

Drill sample



Method of recording and assessing core and



Drilling methods are selected to ensure maximum

recovery

chip sample recoveries and results assessed.

recovery possible. The maximum core length possible in



Measures taken to maximise sample recovery

competent ground is 3.1m.

and ensure representative nature of the



Drill run measurements and core loss are initially

samples.

recorded by the drilling contractor. Detailed geotechnical



Whether a relationship exists between sample

logging includes metre mark-ups and the measurement

recovery and grade and whether sample bias

of actual core length against run lengths recorded by the

may have occurred due to preferential loss/gain

drilling contractor. Any recorded core loss or recovery

of fine/coarse material.

measurements with >10% variance from expected

interval lengths is automatically flagged by data entry

procedures prior to validation by the supervising

geologist. Core recoveries for all drilled intervals are

typically greater than 95%.



All diamond core is oriented, which allows correct

positioning of core in the trays for accurate metre

measurements. Any orientation discrepancies are

documented and resolved with the supervising geologist

and drilling contractor.



A link between sample recovery and grade is not

apparent. No significant loss of fines or core has been

noted. Mineralisation is hosted in competent siliceous

ground with negligible oxide/supergene mineralisation

and limited soft ground.



Any contamination, potential contamination or areas of

poor recovery are noted and flagged in the database.

Logging



Whether core and chip samples have been



All diamond core undergoes geotechnical and geological

geologically and geotechnically logged to a level

logging to a level of detail (quantitative and qualitative)

of detail to support appropriate Mineral Resource

sufficient to support use of the data in all categories of

estimation, mining studies and metallurgical

Mineral Resource estimation. Logging includes

studies.

stratigraphy, lithology, colour, weathering, grain size,



Whether logging is qualitative or quantitative in

volcanic type, clast type, clast size, roundness, textural

nature. Core (or costean, channel, etc)

features, brecciation type, alteration type and intensity,

photography.

mineralogy, mineralisation, vein type, vein texture,



The total length and percentage of the relevant intersections logged.

proportion of vein components, sulphide and quartz

proportion per metre, structure, recovery, breaks per metre, rock quality designation, magnetic susceptibility

and specific gravity.



All core is photographed.

Sub-sampling techniques

and sample





If core, whether cut or sawn and whether quarter, half or all core taken.

If non-core, whether riffled, tube sampled, rotary



Diamond core is split in half (or ¼ core for PQ) by automated core saw to obtain a 3 - 4.5kg sample for external laboratory preparation by ALS Brisbane where it

preparation

split, etc and whether sampled wet or dry.

is dried, crushed to 70% passing -6mm, riffle split to



For all sample types, the nature, quality and

~3kg then pulverised to 85% passing -75micron.

appropriateness of the sample preparation



The oriented half core portion is retained for future

technique.

reference.



Quality control procedures adopted for all sub-



Quality control procedures include laboratory-prepared,

sampling stages to maximise representivity of

crushed duplicate samples of half core (1 in 50

samples.

samples). Variations outside of specifications are



Measures taken to ensure that the sampling is representative of the in situ material collected, including for instance results for field

queried with the laboratory to determine the cause and

errors mitigated through re-assaying of retained samples as a first step.

duplicate/second-half sampling.



Sampling techniques and laboratory preparation



Whether sample sizes are appropriate to the grain size of the material being sampled.

methods are considered to be industry standard and/or

best practice, are relevant to the material being sampled and are suitable for Mineral Resource estimation

purposes.

Quality of



The nature, quality and appropriateness of the



All diamond core samples were submitted to ALS

assay data

assaying and laboratory procedures used and

Brisbane for analysis. Au is assayed by technique Au-

and laboratory

whether the technique is considered partial or

AA25 (30g by fire assay and AAS with a 0.01ppm

tests

total.

detection limit). Multi-element suite of 33 elements



For geophysical tools, spectrometers, handheld

including Ag is assayed by technique ME-ICP61 (0.25g

XRF instruments, etc, the parameters used in

charge by four acid digest and ICP-AES finish with a

determining the analysis including instrument

0.5ppm Ag detection limit).

make and model, reading times, calibrations



Fire assay for Au by technique Au-AA25 is considered

factors applied and their derivation, etc.

total. Multi-element assay by technique ME-ICP61 is



Nature of quality control procedures adopted (eg

considered near-total for all but the most resistive

standards, blanks, duplicates, external

minerals (not of relevance).

laboratory checks) and whether acceptable



The nature and quality of the analytical technique is

levels of accuracy (ie lack of bias) and precision

deemed appropriate for the mineralisation style.

have been established.



Blanks, standards (relevant certified reference material)

and crushed core duplicate samples are inserted at

regular intervals (minimum 6 in 100 sample spacing).

Blanks are placed at the start of the batch and before

duplicate samples.



Additional blanks, standards and pulp duplicates are

analysed as part of laboratory QAQC and calibration

protocols



All QAQC results are reviewed on a batch by batch

basis.



Internal and external (geochemical consultant) reviews

of all QAQC results are undertaken periodically.



No external laboratory checks have been completed.



Acceptable levels of accuracy and precision have been

established for all assay data used in this report.



No handheld XRF values are reported.

Verification of



The verification of significant intersections by



All assay results are checked and verified by alternative

sampling and

either independent or alternative company

company personnel. Significant assay results prompt a

assaying

personnel.

visual review of relevant reference core for validation



The use of twinned holes.

purposes.



Documentation of primary data, data entry



No twinned holes have been completed in this report.

procedures, data verification, data storage



All data is logged digitally or via paper and subsequently

(physical and electronic) protocols.

entered digitally. Logging forms contain strict protocols



Discuss any adjustment to assay data.

for regimented coding via locked spreadsheets.



All drilling logs are validated by the supervising

geologist.



Logging errors are held in quarantine until checked,

updated and validated.



All hard copy data is filed and stored. Digital data is filed

and stored on a server with routine local and remote

backups.



No adjustment to assay data is undertaken.

Mineral

tenement and land tenure



Type, reference name/number, location and ownership including agreements or material issues with third parties such as joint ventures,





The Mt Carrington Project comprises 22 Mining Leases and 4 Exploration Licences.

All mining and exploration tenements are 100% owned

status

partnerships, overriding royalties, native title

and operated by White Rock (MTC) Pty Ltd, a 100%

interests, historical sites, wilderness or national

owned subsidiary of White Rock Minerals Limited.

park and environmental settings.



The exploration results reported here are on EL6273 and



The security of the tenure held at the time of

ML 1147.

reporting along with any known impediments to

obtaining a licence to operate in the area.



One active Native Title claim is registered over the area

(NNTT #NC11/5).



All of the mining and exploration tenements are granted.



No other known impediments to the tenement and

tenure situation exist.

Exploration



Acknowledgment and appraisal of exploration by



The Mount Carrington project has seen significant

done by other

other parties.

exploration conducted by Carpentaria Exploration,

parties

Mount Carrington Mines, Newmont, Aberfoyle, CRA,

Drake Resources and predecessor company Rex

Minerals, as well as less significant work by a number of

other operators.



All historical work has been reviewed, appraised and

integrated into the current database where of sufficient

quality, relevance and applicability.

Geology



Deposit type, geological setting and style of



Porphyry copper-gold and low sulphidation epithermal

mineralisation.

gold-silver mineralisation.



Host rocks are rhyolitic to andesitic volcanics and

volcaniclastics of the Permian Drake Volcanics.



Mineralisation is typically hosted by sheeted to

stockwork style quartz veining, breccia fill and minor

massive silicified zones within phyllic to silicic alteration

zones.

Drill hole



A summary of all information material to the



See Table 1 for location details of all drill holes in this

Information

understanding of the exploration results

report.

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.

Data



In reporting Exploration Results, weighting



All Exploration Results reported are downhole weighted

aggregation

averaging techniques, maximum and/or

means with duplicated sample values averaged.

methods

minimum grade truncations (eg cutting of high



Table 2 summarises intercepts with a minimum grade of

grades) and cut-off grades are usually Material

0.2g/t Au or 10g/t Ag or 0.1% Cu, with a maximum

and should be stated.

internal dilution of 3 metres. Assay results outside these



Where aggregate intercepts incorporate short

reporting criteria are deemed to be too low to be of any

lengths of high grade results and longer lengths

material significance and the exclusion of this

of low grade results, the procedure used for such

information does not detract from the understanding of

aggregation should be stated and some typical

the report. Internal high grade results are generally

examples of such aggregations should be shown

stated at 2g/t Au, 100g/t Ag and 1% Cu lower cut-offs or

in detail.

where individual high grade samples contribute >90% of



The assumptions used for any reporting of metal

the weighted average grade to any aggregated

equivalent values should be clearly stated.

intersection reported.



No top cut is applied to Exploration Results.



No metal equivalent values are calculated.

Relationship



These relationships are particularly important in



The geometry of individual veins and mineralisation

between

the reporting of Exploration Results.

zones are highly variable due to mineralisation style.

mineralisation

widths and intercept



If the geometry of the mineralisation with respect to the drill hole angle is known, its nature should be reported.



All mineralisation intercepts for Exploration Results are presented as down hole lengths.

lengths



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').

Diagrams



Appropriate maps and sections (with scales) and



Figures 1 and 2 illustrate the location of drill holes for

tabulations of intercepts should be included for

this report.

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.

Balanced reporting



Where comprehensive reporting of all

Exploration Results is not practicable,



Exploration results report intercepts with a minimum grade of 0.2g/t Au or 10g/t Ag or 0.1% Cu, with a

representative reporting of both low and high

maximum internal dilution of 3 metres. Assay results

grades and/or widths should be practiced to

outside these reporting criteria are deemed to be too low

avoid misleading reporting of Exploration

to be of any material significance and the exclusion of

Results.

this information does not detract from the understanding

of the report.



Drill holes with results that do not meet these criteria are

noted to avoid misinterpretation.

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



Multi-element analysis of diamond core is completed on all samples. Significant results for other metals analysed including Pb and Zn are reported where they are deemed an aid to interpretations.

samples - size and method of treatment;

metallurgical test results; bulk density, groundwater, geotechnical and rock



Minimal weathering and oxidation is developed and of limited effect on grade distribution.

characteristics; potential deleterious or

contaminating substances.

Further work



The nature and scale of planned further work (eg



Assessment of these Exploration Results will be in

tests for lateral extensions or depth extensions

conjunction with further quantitative and qualitative

or large-scale step-out drilling).

analytical work prior to targeting of future drilling within



Diagrams clearly highlighting the areas of

the newly defined sulphide system.

possible extensions, including the main

geological interpretations and future drilling

areas, provided this information is not

commercially sensitive.

Drill Hole ID

Easting

Northing

RL

Dip

Azimuth

(True)

Hole

Length

Hole Type

WCDD001

436960

6801404

581

-60

89.7

104.5

diamond

WCDD002

437825

6801436

546

-50

250.7

491.8

diamond

WCDD003

436843

6801097

556

-80

263.2

803.8

diamond

Drill Hole

ID

From

To

Interval

(m)

Cu (%)

Au (g/t)

Ag (g/t)

WCDD001

No significant assay results

WCDD002

13

14

1

0.14

2.2

17

18

1

0.58

96

97

1

0.58

0.01

3.7

141

142

1

0.12

0.01

1.4

166

167

1

0.02

0.36

0.8

190

191

1

0.27

0.6

204

205

1

0.21

2.0

241

242

1

0.3

1.0

385

386

1

0.27

0.02

4.8

390

391

1

0.44

0.09

3.7

437

438

1

0.11

0.01

0.5

456

457

1

0.29

5.7

WCDD003

162

163

1

0.11

518

519

1

0.22

0.8

537

538

1

0.12

0.8