Update on Merger with Polymetals - Notice of Meeting
Update on Merger with Polymetals - Notice of Meeting
Update on Merger with Polymetals - Notice of Meeting
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BDO CORPORATE FINANCE (WA) PTY LTD<br />
<strong>Polymetals</strong> Mining Limited and Southern Cross Goldfields Limited<br />
Technical Specialist's Report<br />
• Vanguard<br />
• Ladybird<br />
• Maninga Marley<br />
• Shillingt<strong>on</strong><br />
• Sandst<strong>on</strong>e North<br />
• Plum Pudding<br />
• Oroya<br />
• Tigermoth<br />
• Piper<br />
• Wirraminna.<br />
Table 4.6 Sandst<strong>on</strong>e Mineral Resources at June 2012<br />
Locati<strong>on</strong> Indicated Resource Inferred Resource<br />
T<strong>on</strong>nes<br />
(kt)<br />
Grade<br />
(g/t Au)<br />
T<strong>on</strong>nes<br />
(kt)<br />
Grade<br />
(g/t Au)<br />
Lord Nels<strong>on</strong> 392 3.0 84 1.8<br />
Lord Henry 987 1.9 39 1.7<br />
Two Mile Hill T<strong>on</strong>alite 10,541 1.3<br />
Two Mile Hill BIF 59 9.9<br />
Sandst<strong>on</strong>e (other) 494 1.8 1,922 1.9<br />
Total 1,932 2.3 12,586 1.4<br />
Mineral Resources at Lord Henry are reported at a 0.8 g/t Au COG and for Lord Nels<strong>on</strong> and Two Mile Hill at<br />
0.5 g/t Au COG.<br />
Rotary air blast (RAB) and air core (AC) drilling have been used for explorati<strong>on</strong> sampling but data from these<br />
drillhole types are not used in resource estimati<strong>on</strong>. Reverse circulati<strong>on</strong> (RC) is the main drilling method used<br />
for resource estimati<strong>on</strong> in associati<strong>on</strong> <strong>with</strong> some diam<strong>on</strong>d drilling.<br />
Drilling has been completed using accepted industry practices. Drillhole collars are surveyed and drillholes<br />
are surveyed downhole. Samples and diam<strong>on</strong>d drill core are geologically logged. Resource definiti<strong>on</strong> RC<br />
drillholes are sampled at 1 m intervals. Diam<strong>on</strong>d drill core is sampled at 1 m intervals respecting geological<br />
variati<strong>on</strong>s and cut using diam<strong>on</strong>d saws <strong>with</strong> half core submitted for assay.<br />
Sample assaying is undertaken by independent laboratories. Gold c<strong>on</strong>tent is determined by acid digest and<br />
fire assay. Field duplicates, blanks and certified reference materials are submitted to m<strong>on</strong>itor assay quality<br />
c<strong>on</strong>trol.<br />
The Lord Henry and Lord Nels<strong>on</strong> resource estimates have been developed <strong>with</strong>in an interpretati<strong>on</strong> guided by<br />
a 0.2 g/t Au COG and geological logging. The estimates are c<strong>on</strong>venti<strong>on</strong>al block models <strong>with</strong> grade estimated<br />
using OK <strong>with</strong> estimati<strong>on</strong> parameters determined from a study <strong>of</strong> variography. Bulk densities were assigned<br />
based <strong>on</strong> mean values for oxide, transiti<strong>on</strong> and fresh rock. The resource estimates are classified as<br />
Indicated and Inferred Resources based <strong>on</strong> c<strong>on</strong>fidence in the geological and grade c<strong>on</strong>tinuity reflecting<br />
drillhole spacing. The Mineral Resources are reported at a 1 g/t Au COG.<br />
The Two Mile Hill resource estimate is based <strong>on</strong> interpretati<strong>on</strong> <strong>of</strong> distributi<strong>on</strong> <strong>of</strong> the t<strong>on</strong>alite from drillhole<br />
geological data. The estimate is a c<strong>on</strong>venti<strong>on</strong>al block model <strong>with</strong> grade estimated using OK <strong>with</strong> estimati<strong>on</strong><br />
parameters determined from a study <strong>of</strong> variography. Bulk densities were assigned based <strong>on</strong> mean values for<br />
oxide and fresh rock. The estimate has been classified as Inferred Resource reflecting the drillhole spacing.<br />
The Mineral Resources are reported at a 0.5 g/t Au COG.<br />
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