Download - Platinum Metals Review
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doi:10.1595/147106711X554512<br />
•<strong>Platinum</strong> <strong>Metals</strong> Rev., 2011, 55, (2)•<br />
(a)<br />
Surface<br />
D<br />
A<br />
A<br />
B<br />
C<br />
D<br />
Contact<br />
Footwall type<br />
Low sulfide<br />
Capre footwall<br />
New discovery<br />
C<br />
Massive sulfide<br />
Low sulfide PGE-Au<br />
Disseminated Ni sulfide<br />
Undifferentiated gneiss<br />
Granite breccia<br />
Sudbury breccia<br />
Sudbury igneous complex<br />
Diabase<br />
Granite<br />
Fault<br />
B<br />
0 250<br />
m<br />
(b)<br />
Surface<br />
C<br />
A<br />
B<br />
A<br />
B<br />
C<br />
D<br />
Contact<br />
Footwall type<br />
Breccia belt type<br />
109 FW<br />
New discovery<br />
0 100<br />
D<br />
Inclusion massive/<br />
breccia sulfide<br />
Siliceous zone<br />
Disseminated Ni-Cu sulfide<br />
Low sulfide, high PGE<br />
mineralisation<br />
Metasediments<br />
Metavolcanic<br />
Sudbury breccia<br />
Granite<br />
Quartz diorite<br />
Norite<br />
Trap dyke<br />
Shear zone<br />
Fig. 2. Composite cross-sections of typical geological settings for Footwall Deposits of PGEs and sulfide<br />
in the Sudbury Igneous Complex, Canada, in (a) the North and East Range and (b) the South Range (Courtesy<br />
of P. C. Lightfoot and M. C. Stewart, from ‘Diversity in <strong>Platinum</strong> Group Element (PGE) Mineralization at<br />
Sudbury: New Discoveries and Process Controls’, 11th International <strong>Platinum</strong> Symposium, Sudbury, Ontario,<br />
Canada, 21st–24th June, 2010)<br />
121 © 2011 Johnson Matthey
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