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Natural

4

4

100%

8mm Synthetic

7

7

100%

4mm Synthetic

4

4

100%

2mm Synthetic

3

1

33.3%

Total

18

16

88.9%

# of

# of Tracers

Percent

Tracers

Recovered

Recovery

Percent Recovery

Table 13.3: Summary of tracer recovery statistics on LDD and underground batch samples LDD Batch: Samples 19379 and 19380

Underground Batch: Samples 19381 and 19382

Tracer Type

Tested

Tracer Type

  • #

    of

Tracers Tested

  • #

    of Tracers

Recovered

Natural

16

16

100%

8mm Pink Synthetic

16

16

100%

8mm Brown Synthetic

18

18

100%

8mm Violet Synthetic

18

18

100%

4mm Pink Synthetic

16

15

93.8%

2mm Pink Synthetic

14

14

100%

2mm Green Synthetic

17

16

94.1%

Total

115

113

98.3%

Notes:

LDD Batch Sample: Grease Concentrate Sample #19379; X-Ray Concentrate Sample #19380 Underground Batch Sample: Grease Concentrate Sample #19381; X-Ray Concentrate Sample #19382

13.7.2 HOWE COMMENTS ON PROCESS PLANT AND QA/QC

Overall, the audit exercise revealed a well-operated and documented operation of the treatment of bulk samples. There were no issues of sample integrity. Audit results indicate a high efficiency of diamond recovery. The bulk sampling plant facility established and operated by Shore conforms to industry standards. The audit results for the recovery plant tailings were good, as expected, and tailings data are accepted with no problems. Based on the review of the historical density tracer tests of the DMS cyclone as well as results obtained by Howe during its audit, Howe is satisfied with the DMS circuit efficiency.

Howe considers that the QA/QC program and results obtained were adequate to ensure quality data to support mineral Resource Estimation work.

13.8

PROJECT DATABASE

The project database is hosted by a SQL database manager. P&E reviewed the procedures and protocols for adding data to the database and general database security issues. No significant deficiencies were discovered. Because logging is done digitally, there is little in the way of an audit trail for lithological data. The need for an audit trail was discussed, and Shore is currently

P&E Mining Consultants Inc. NI 43-101 Technical Report No 159 Shore Gold Inc. - Star Diamond Project Resource Estimate Update

Page 69 of 109

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