- Mineral Resources
- Online Spatial Data
- Global assessment of undiscovred copper resources
Early to synorogenic Paleo-Proterozoic (1.89-1.88 Ga) granitoid rocks along the southern part of the Central Finland granitoid complex.
| Tract ID |
150pCu6110 |
| Country |
Finland |
| Commodity |
Cu |
| Study area name |
Finland |
| Tectonic setting |
unknown |
| Deposit type |
porphyry copper |
| Grade-tonnage model |
Precambrian porphyry copper (Geological Survey of Finland, 2014) |
| Geologic age |
| Geologic feature age |
Precambrian |
| Generalized age |
Precambrian |
| Oldest rocks age |
1890Ma
|
| Youngest rocks age |
1880Ma
|
| Age range |
10Ma
|
|
| Known prospects |
5 |
| Mean Cu (t/sq km) |
398t/sq km
|
| Map scales used |
500, 4K, 10K |
Results of the assessment
| Assessment date |
2012 |
| Estimators |
Geological Survey of Finland |
| Assessment depth |
1km
|
| Quantitative assessment |
Yes |
Estimated number of deposits
| Number of deposits |
Confidence level |
| 1 |
90% |
| 2 |
50% |
| 4 |
10% |
| 4 |
5% |
| 4 |
1% |
|
| Mean estimated deposits |
2.2 |
±1.2 |
(0.54%) |
| Probability of mean |
0.29 |
| Probability of no copper |
0.07 |
Estimated deposit density
Known
deposits |
Total
deposits |
Area
(sq km) |
Deposit density
per 100,000 sq km |
|
2.2 |
5,023 |
44 |
Mean estimated tonnage
| Copper |
2,000,000 |
| Molybdenum |
97,000 |
| Gold |
230 |
| Silver |
2,600 |
| Ore |
750 |
Undiscovered copper resource
| Confidence level |
90% |
50% |
10% |
5% |
| Tonnage |
9,800 |
660,000 |
5,100,000 |
7,700,000 |
Economic analysis
| Fraser country |
Finland |
| Fraser type |
0.97%
|
| Fraser high |
0.03%
|
| Typical cost |
1%
|
| High cost |
0%
|
| Infrastructure setting |
Typical |
| Comments on depth |
default |
| Expected depth distribution |
|---|
| 0 - 250m |
0.25 |
| 250m - 500m |
0.25 |
| 500m - 1km |
0.5 |
| Economically recoverable resources |
|---|
| Copper |
340,000t
|
| Molybdenum |
14,000t
|
| Gold |
26t
|
| Silver |
570t
|
| Probability no econ recoverable |
0.33 |
| Econ NPV |
160x $1M
|
| Exp dollars |
-9.04x $1M/100,000 sq km
|
| Exp value class |
Low |
Bibliographic references
| General |
Rasilainen and others (2014) |
| Economic |
Robinson and Menzie (2012) |
Rasilainen, K., Eilu, P., Halkoaho, T., Karvinen, A., Kontinen, A., Kousa, J., Lauri, L., Luukas, J., Niiranen, T., Nikander, J., Sipilä, P., Sorjonen-Ward, P., Tiainen, M., Törmänen, T., and Västi, K., 2014, Quantitative assessment of undiscovered resources in volcanogenic massive sulphide deposits, porphyry copper deposits and Outokumpu-type deposits in Finland: Geological Survey of Finland, Report of Investigation 208, 393 p., available at: http://tupa.gtk.fi/julkaisu/tutkimusraportti/tr_208.pdf.Robinson, G.R., Jr., and Menzie, W.D., 2012, Economic filters for evaluating porphyry copper deposit resource assessments using grade-tonnage deposit models, with examples from the U.S. Geological Survey global mineral resource assessment (ver 1.2, March 2014): U.S. Geological Survey Scientific Investigations Report 20105090H, 21 p., http://pubs.usgs.gov/sir/2010/5090/h/.
Deposits and prospects associated with this tract
| Name |
Type |
State |
Country |
Development |
Details |
| Kutemajärvi |
prospect |
Häme |
Finland |
Occurrence |
Details |
| Järvenpää |
prospect |
Häme |
Finland |
Occurrence |
Details |
| Lavajärvi |
prospect |
Turka Ja Pori |
Finland |
Occurrence |
Details |
| Ylöjärvi |
prospect |
Häme |
Finland |
Occurrence |
Details |
| Tammijärvi |
prospect |
Keski-Suomi |
Finland |
Occurrence |
Details |
