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Spence oxide Project
Spence oxide
Country
Chile
Close to
Calama
Status
PRODUCTION
Latitude / Longitude
22 S 56 / 69 W 23
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Risk and valuation analysis of the Spence oxide Project
Status Risk : Production
Country Risk : Light
Resource Risk : 69.00%
In situ value
3,882,710 $
Title(s) of the Spence oxide Project
BHP Billiton
Owner: 100%
Title
Company Profile
All Projects
Company website
Company project page
We own and operate the mine (100%). We hold a mining concession from the Chilean state that remains valid indefinitely (subject to payment of annual fees).
Location of the Spence oxide Project
Located near the community of Sierra Gorda in Region II of Northern Chile Approximately 50 km southwest of Calama and 150 km northeast of Antofagasta
History of the Spence oxide Project
1996: Deposit discovered by Rio Algom exploration • 1996 – 2002: Exploration & Development Work: – 174,970 meters of exploration & development drilling completed in total. – 1,133 meters of underground tunnel development for bulk sampling • 2
more...
Geology of the Spence oxide Project
Supergene enriched & partially oxidized porphyry copper deposit of Upper Paleocene age (~ 57 M Years)
Reserves and resources of the Spence oxide Project
Tonnage
Grade
Reserves and resources
Copper
Copper
%
lbs
Proven
28,000,000
1.18
728 407 314
Probable
8,900,000
0.82
160 893 359
Proven and Probable
36,900,000
1.09
889 300 673
Measured
39,000,000
1.35
1 160 733 810
Indicated
24,000,000
0.95
502 653 958
Mesured and Indicated
63,000,000
1.20
1 663 387 768
Inferred
1,000,000
0.45
9 920 802
Total
100 900 000
2 562 609 243
Definitions
Reserves and resources of the Spence oxide Project
Metal
Total
Reserves
Resources
Unit
In situ value
Proven
Probable
Proven and Probable
Measured
Indicated
Mesured and Indicated
Inferred
Copper
2 562 609 243
728 407 314
160 893 359
889 300 673
1 160 733 810
502 653 958
1 663 387 768
9 920 802
lbs
8 377 169 616 US$
Production history
Metal
2010
2009
2007
COPPER (lbs)
351,857,770
380,738,326
166,449,007
Location
Data last updated on : 6/30/2009
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All information on this page comes from internal and external sources deemed reliable. This information might not be up to date, so please perform due diligence before making any conclusion or making any action. Do contact us should any information be missing or incorrect.
Cautionary Note to US Investors concerning estimates of Measured and Indicated Mineral Resources
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