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Pacific Margin

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Cretaceous through middle Tertiary volcanic and intrusive rocks representing a series of continental- and island-arc systems accreted and superimposed onto the paleomargin of northeast Asia.
Tract ID 142pCu8514
Country China-Russian Federation
Commodity Cu
Study area name Northeast Asia
Tectonic setting mixed
Deposit type porphyry copper
Grade-tonnage model General porphyry copper model (Singer and others, 2008)
Geologic age
Geologic feature age Cretaceous through Paleogene
Generalized age Mesozoic
Oldest rocks age 145.5Ma
Youngest rocks age 23.03Ma
Age range 122.47Ma
Identified Cu resources 890,000metric tons
Known prospects 54
Mean Cu (t/sq km) 132t/sq km
Map scales used 1M, 1.5M

Results of the assessment

Assessment date 2010
Estimators Alexeiev, D. (Russian Academy of Sciences); Bookstrom, Arthur A.(USGS); Frost, Thomas P. (USGS); Hammarstrom, Jane M. (USGS); Light, Thomas D. (USGS); Ludington, Steve (USGS); Mihalasky, Mark, J. (USGS); Panteleyev, Andre (XDM Geological Consultants)
Assessment depth 1km
Quantitative assessment Yes

Estimated number of deposits

Number of deposits Confidence level
10 90%
20 50%
100 10%
100 5%
100 1%
Mean estimated deposits 40.33 ±33.79 (0.84%)
Probability of mean 0.39
Probability of no copper 0.01

Estimated deposit density

Known
deposits		 Total
deposits		 Area
(sq km)		 Deposit density
per 100,000 sq km
1 41.33 1,138,430 4

Mean estimated tonnage

Copper 150,000,000
Molybdenum 4,100,000
Gold 3,800
Silver 49,000
Ore 31,000

Undiscovered copper resource

Confidence level 95% 90% 50% 10% 5%
Tonnage 8,300,000 17,000,000 95,000,000 370,000,000 430,000,000

Economic analysis

Fraser country China-Russian Federation
Fraser type 0.12%
Fraser high 0.88%
Typical cost 0%
High cost 1%
Infrastructure setting High cost
Comments on depth default
Expected depth distribution
0 - 250m 0.25
250m - 500m 0.25
500m - 1km 0.5
Economically recoverable resources
Copper 73,000,000t
Molybdenum 1,600,000t
Gold 1,300t
Silver 23,000t
Probability no econ recoverable 0.67
Econ NPV 13,000x $1M
Exp dollars 11.2x $1M/100,000 sq km
Exp value class Low

Bibliographic references

General Mihalasky, Ludington, Alexeiev, and others (2015)
Economic Robinson and Menzie (2012)
Mihalasky, M.J., Ludington, Steve, Alexeiev, D.V., Frost, T.P., and Light, T.D., with contributions from Bookstrom, A.A., and Panteleyev, Andre, 2015, Porphyry copper assessment of northeast Asia—Far East Russia and northeasternmost China: U.S. Geological Survey Scientific Investigations Report 2010–5090–W, 104 p., http://pubs.usgs.gov/sir/2010/5090/W/.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
Bebekan prospect Magadanskaya oblast' Russian Federation Occurrence Details
Birandya prospect Khabarovskiy kray Russian Federation Occurrence Details
Birandya-1 prospect Khabarovskiy kray Russian Federation Occurrence Details
Gora Krassnaya prospect Chukotskiy avtonomnyy okrug Russian Federation Unknown Details
Blagodatnevskoe prospect Khabarovskiy kray Russian Federation Occurrence Details
Chapka prospect Khabarovskiy kray Russian Federation Unknown Details
Chelasin prospect Khabarovskiy kray Russian Federation Unknown Details
Chernoe prospect Khabarovskiy kray Russian Federation Occurrence Details
Chipali prospect Khabarovskiy kray Russian Federation Occurrence Details
Degdenreken prospect Magadanskaya oblast' Russian Federation Unknown Details
Dzhaore prospect Khabarovskiy kray Russian Federation Unknown Details
Etandzha prospect Khabarovskiy kray Russian Federation Unknown Details
Evening prospect Magadanskaya oblast' Russian Federation Unknown Details
Gedama-Yarku-Pravo Interfluve prospect Khabarovskiy kray Russian Federation Occurrence Details
Kekra prospect Khabarovskiy kray Russian Federation Occurrence Details
Kentavr 100 prospect Khabarovskiy kray Russian Federation Occurrence Details
Khvoshchovoe prospect Khabarovskiy kray Russian Federation Unknown Details
Kljuch Lagernyj prospect Khabarovskiy kray Russian Federation Unknown Details
Krasnaya Gorka prospect Khabarovskiy kray Russian Federation Occurrence Details
Lazurnoe prospect Primorskiy kray Russian Federation Occurrence Details
Levy Turmachan prospect Khabarovskiy kray Russian Federation Occurrence Details
Limonite prospect Khabarovskiy kray Russian Federation Occurrence Details
Ol'khovka prospect Chukotskiy avtonomnyy okrug Russian Federation Unknown Details
Lora deposit Magadanskaya oblast' Russian Federation Prospect Details
Maginskoe prospect Khabarovskiy kray Russian Federation Occurrence Details
Malakhitovoe prospect Primorskiy kray Russian Federation Unknown Details
Malinovskoe prospect Primorskiy kray Russian Federation Unknown Details
Maloe prospect Khabarovskiy kray Russian Federation Unknown Details
Nochnoe prospect Khabarovskiy kray Russian Federation Unknown Details
Obor prospect Khabarovskiy kray Russian Federation Occurrence Details
Oborsky prospect Khabarovskiy kray Russian Federation Occurrence Details
Olgondo prospect Khabarovskiy kray Russian Federation Occurrence Details
Orliny prospect Magadanskaya oblast' Russian Federation Unknown Details
Osennee prospect Magadanskaya oblast' Russian Federation Unknown Details
Plastun prospect Primorskiy kray Russian Federation Unknown Details
Pravy Olen prospect Khabarovskiy kray Russian Federation Unknown Details
Prostornoe prospect Khabarovskiy kray Russian Federation Unknown Details
Pryamoi prospect Magadanskaya oblast' Russian Federation Unknown Details
Shaman prospect Khabarovskiy kray Russian Federation Occurrence Details
Shtokverk prospect Kamchatskaya kray Russian Federation Unknown Details
Sisinku prospect Khabarovskiy kray Russian Federation Occurrence Details
Sukhoi Creek prospect Primorskiy kray Russian Federation Unknown Details
Suluk prospect Khabarovskiy kray Russian Federation Unknown Details
Udumin prospect Khabarovskiy kray Russian Federation Occurrence Details
Vecherny prospect Magadanskaya oblast' Russian Federation Unknown Details
Verkhnezolotoe prospect Primorskiy kray Russian Federation Unknown Details
Viking prospect Magadanskaya oblast' Russian Federation Unknown Details
Yankanskoe prospect Khabarovskiy kray Russian Federation Occurrence Details
Zarechnoe prospect Primorskiy kray Russian Federation Unknown Details
Zolotoy prospect Primorskiy kray Russian Federation Unknown Details
Malmyzh prospect Khabarovskiy kray Russian Federation Occurrence Details
Aulia prospect Khabarovskiy kray Russian Federation Unknown Details
Darpichan prospect Khabarovskiy kray Russian Federation Unknown Details
Malo-Kemskoe prospect Primorskiy kray Russian Federation Unknown Details
Zimovye prospect Khabarovskiy kray Russian Federation Occurrence Details