Tract ID | 005pCu1017 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Country | Chile | ||||||||||
Commodity | Cu | ||||||||||
Study area name | Andes | ||||||||||
Tectonic setting | continental margin | ||||||||||
Deposit type | porphyry copper | ||||||||||
Grade-tonnage model | General porphyry copper model (Singer and others, 2005) | ||||||||||
Geologic age |
|
||||||||||
Identified Cu resources | 1,400,000metric tons | ||||||||||
Known prospects | 2 | ||||||||||
Mean Cu (t/sq km) | 297t/sq km | ||||||||||
Map scales used | 1M |
Assessment date | 2005 |
---|---|
Estimators | Carlos Mario Celada, Vladimir I. Berger, Rodrigo Carrasco, Alejandro Diaz, Mariano Gajardo M., Carlos Portigliati, Donald A. Singer, Waldo Vivallo S., and Eduardo O. Zappettini |
Assessment depth | 1km |
Quantitative assessment | Yes |
Number of deposits | Confidence level |
---|---|
3 | 90% |
6 | 50% |
12 | 10% |
12 | 5% |
12 | 1% |
Mean estimated deposits | 6.7 | ±3.4 | (0.51%) |
---|
Probability of mean | 0.33 |
---|---|
Probability of no copper | 0.03 |
Known deposits |
Total deposits |
Area (sq km) |
Deposit density per 100,000 sq km |
---|---|---|---|
1 | 7.7 | 77,511 | 10 |
Copper | 23,000,000 |
---|---|
Molybdenum | 560,000 |
Gold | 550 |
Silver | 7,200 |
Ore | 4,400,000,000 |
Confidence level | 95% | 90% | 50% | 10% | 5% |
---|---|---|---|---|---|
Tonnage | 990,000 | 2,600,000 | 15,000,000 | 52,000,000 | 74,000,000 |
Fraser country | Chile |
---|---|
Fraser type | 0.79% |
Fraser high | 0.21% |
Typical cost | 1% |
High cost | 0% |
Infrastructure setting | Typical |
Comments on depth | 25 cover but relatively deep erosion so use default |
Expected depth distribution | |
0 - 250m | 0.25 |
250m - 500m | 0.25 |
500m - 1km | 0.5 |
Economically recoverable resources | |
Copper | 15,000,000t |
Molybdenum | 260,000t |
Gold | 280t |
Silver | 4,400t |
Probability no econ recoverable | 0.1 |
Econ NPV | 4,600x $1M |
Exp dollars | 55.64x $1M/100,000 sq km |
Exp value class | High |
General | Cunningham and others (2008) |
---|---|
Economic | Robinson and Menzie (2012) |
Name | Type | State | Country | Development | Details |
---|---|---|---|---|---|
Angelina | prospect | Antofagasta | Chile | Past Producer | Details |
Antucoya | deposit | Antofagasta | Chile | Prospect | Details |
Puntillas-Galenosa | prospect | Antofagasta | Chile | Occurrence | Details |
Andacollo | deposit | Coquimbo | Chile | Producer | Details |