Pierre River Mine Project

MINING AND PROCESSING ERCB SIRS 3 – 38
Section 4.1
Response 8a In the original application, Volume 2, Project Description, Table 4-2, as well as
in the May 2009 Pierre River Mine, Supplemental Information, Volume 1, Tables
2-2 and 2-3, incorrect information was provided. This revised data is presented in
Tables ERCB 8-1 and ERCB 8-2 and is also provided in Section 2, Errata.
Resource
Category
Total in situ
resource
Ore at >7%
bitumen grade
and minimum 3 m
thickness
Ore at
TV/BIP < 12
Resource
Category
Total in situ
resource
Oil sand at >7%
bitumen grade
and minimum 3 m
thickness
Oil sand at
TV/BIP < 12
Table 4-2 has been updated according to the block modelled geology data and pit
shell design that were used in the Project Description, and is shown here as Table
ERCB 8-1.
Table ERCB 8-1: Lease 9 Resource Summary (2007 Data)
Volume
of Ore
(Mm 3 )
Lease 9 Area Lease 9 Pit Area
Grade
(wt%)
Bitumen
(Mm³)
Bitumen
(Mbbl)
Volume
of Ore
(Mm³)
Grade
(wt%)
Bitumen
(Mm³)
Bitumen
(Mbbl)
2,347 7.58 368 2,312 1.423 9.74 286 1,800
1,346 11.03 307 1,930 1,116 11.22 259 1,627
846 11.24 196 1,235 791 11.28 184 1,158
Tables 2-2 and 2-3 have been updated according to the updated block modelled
geology data and revised pit shell design that were used in the May 2009 Pierre
River Mine, Supplemental Information, Volume 1, and are shown here as Table
ERCB 8-2.
Table ERCB 8-2: Lease 9 Resource Summary (2009 Data)
Volume
of Oil
sand
(Mm 3 )
Lease 9 Area Lease 9 Pit Area
Grade
(wt%)
Bitumen
(Mm³)
Bitumen
(Mbbl)
Volume
of Oil
sand
(Mm³)
Grade
(wt%)
Bitumen
(Mm³)
Bitumen
(Mbbl)
2,169 7.15 321 2,017 1,334 9.11 253 1,591
1,242 11.32 290 1,827 1,011 11.43 239 1,502
940 11.63 226 1,421 859 11.60 206 1,294
Request 8b Based on the new resource information found in Tables 2-2 and 2-3, update the
following original application tables:
• Table 5-4 in Section 5.4
• Table 5-8 in Section 5.5
• Table 5-9 in Section 5.6
4-6 Shell Canada Limited April 2010
CR029