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  3. Global assessment of undiscovred copper resources

Anatolide-Tauride—Eastern Turkey-Caucasus

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Late Cretaceous to Middle-Late Eocene arc- and backarc-related, and syn- to pos-collisional magmatism of the Tethyan Metallogenic Belt.
Tract ID 142pCu9005c
Country Armenia-Azerbaijan-Iran-Turkey
Commodity Cu
Study area name Tethys
Tectonic setting mixed
Deposit type porphyry copper
Grade-tonnage model General porphyry copper model (Singer and others, 2008)
Geologic age
Geologic feature age Late Cretaceous through middle Eocene
Generalized age Tertiary-Paleogene
Oldest rocks age 99.6Ma
Youngest rocks age 40.4Ma
Age range 59.2Ma
Identified Cu resources 1,177,000metric tons
Known prospects 10
Mean Cu (t/sq km) 378t/sq km
Map scales used 1M

Results of the assessment

Assessment date 2013
Estimators Arthur A. Bookstrom, Jane M. Hammarstrom, Steve Ludington, John C. Mars, Michael L. Zientek, Lukas Zurcher.
Assessment depth 1km
Quantitative assessment Yes

Estimated number of deposits

Number of deposits Confidence level
2 50%
4 10%
7 5%
7 1%
Mean estimated deposits 2.23 ±2.04 (0.92%)
Probability of mean 0.25
Probability of no copper 0.21

Estimated deposit density

Known
deposits		 Total
deposits		 Area
(sq km)		 Deposit density
per 100,000 sq km
4 6.23 21,700 29

Mean estimated tonnage

Copper 8,200,000
Molybdenum 230,000
Gold 220
Silver 2,700
Ore 1,700

Undiscovered copper resource

Confidence level 50% 10% 5%
Tonnage 2,700,000 19,000,000 32,000,000

Economic analysis

Fraser country Armenia, Azerbaijan, Iran, Turkey*
Fraser type 0.7%
Fraser high 0.31%
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 5,500,000t
Molybdenum 110,000t
Gold 120t
Silver 1,700t
Probability no econ recoverable 0.54
Econ NPV 1,600x $1M
Exp dollars 46.07x $1M/100,000 sq km
Exp value class High

Bibliographic references

General Zürcher and others (in press)
Economic Robinson and Menzie (2012)
Zürcher, Lukas, Bookstrom, A.A., Hammarstrom, J.M., Mars, J.C., Ludington, Steve, and Zientek, M.L., with contributions from Drew, L.J., Sutphin, D.M., Berger, B.R., Herrington, R.J., Billa, Mario, Kuscu, Ilkay, Moon, C.J., and Richards, J.P., in press, Porphyry copper assessment of the Tethys Region of western and southern Asia: U.S. Geological Survey Scientific Investigations Report 2010–5090–?, xx p., http://pubs.usgs.gov/sir/2010/5090/?/.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 2010–5090–H, 21 p., http://pubs.usgs.gov/sir/2010/5090/h/.

Deposits and prospects associated with this tract

Name Type State Country Development Details
Agarak deposit Syunik Armenia Producer Details
Aigedzor prospect Syunik' Armenia Past Producer Details
Bahce prospect Erzincan Turkey Prospect Details
Bayram Dere prospect Erzincan Turkey Prospect Details
Çöpler deposit Erzincan Turkey Producer Details
Dastakert deposit Syunik' Armenia Past Producer Details
Demirmagara prospect Erzincan Turkey Prospect Details
Kabatas South prospect Erzincan Turkey Prospect Details
Karakartal deposit Erzincan Turkey Prospect Details
Mamlis prospect Tunceli Turkey Prospect Details
Misdag prospect Naxçivan Azerbaijan Prospect Details
Sabirli prospect Erzincan Turkey Prospect Details
Silic prospect Tunceli Turkey Occurrence Details
Sin prospect Tunceli Turkey Prospect Details
Zanga Dere prospect Erzincan Turkey Prospect Details