Mongol-Sayan

Cambrian through Silurian igneous rocks primarily in central and northern Mongolia and bordering parts of Russian Federation, including the Tuva-Mongol island arc and a variety of other calc-alkaline rocks.
Tract ID 142pCu8504
Country China-Mongolia-Russian Federation
Commodity Cu
Study area name Central Asia Orogenic Belt
Tectonic setting continental margin
Deposit type porphyry copper
Grade-tonnage model Porphyry copper, Cu-Mo subtype (Singer and others, 2008)
Geologic age
Geologic feature age Caledonian (Cambrian through Silurian)
Generalized age Paleozoic
Oldest rocks age 542Ma
Youngest rocks age 416Ma
Age range 126Ma
Identified Cu resources 5,100,000metric tons
Known prospects 25
Mean Cu (t/sq km) 174t/sq km
Map scales used 1M

Results of the assessment

Assessment date 2013
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
1 90%
6 50%
24 10%
24 5%
24 1%
Mean estimated deposits 9.83 ±8.42 (0.86%)
Probability of mean 0.37
Probability of no copper 0.06

Estimated deposit density

Known
deposits
Total
deposits
Area
(sq km)
Deposit density
per 100,000 sq km
4 13.83 575,102 2

Mean estimated tonnage

Copper 100,000,000
Molybdenum 4,600,000
Gold 250
Silver 45,000
Ore 18,000

Undiscovered copper resource

Confidence level 90% 50% 10% 5%
Tonnage 960,000 55,000,000 270,000,000 340,000,000

Economic analysis

Fraser country Mongolia, China, and Russian Federation
Fraser type 0.08%
Fraser high 0.91%
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 69,000,000t
Molybdenum 2,100,000t
Gold 140t
Silver 28,000t
Probability no econ recoverable 0.06
Econ NPV 12,000x $1M
Exp dollars 19.39x $1M/100,000 sq km
Exp value class Medium

Bibliographic references

General Mihalasky, Ludington, Hammarstrom, and others (2015)
Economic Robinson and Menzie (2012)

Deposits and prospects associated with this tract

Name Type State Country Development Details
Agaskyr deposit Respublika Khakasiya Russian Federation Prospect Details
Aguin davaa prospect Bulgan Mongolia Occurrence Details
Aksug deposit Respublika Tyva Russian Federation Producer Details
Altan-Khad prospect Govi-Altay Mongolia Occurrence Details
Andobinskoe II prospect Respublika Altay Russian Federation Occurrence Details
Baruun prospect Hentiy Mongolia Occurrence Details
Biger prospect Govi-Altay Mongolia Prospect Details
Bumbat prospect Hovd Mongolia Prospect Details
Burigiin gorhi prospect Arhangay Mongolia Occurrence Details
Chandman Uul prospect Dornogovi Mongolia Occurrence Details
Chandmani prospect Govi-Altay Mongolia Occurrence Details
Kamenushinskoye prospect Kemerovskaya oblast' Russian Federation Prospect Details
Khadat prospect Töv Mongolia Occurrence Details
Khoshuu tolgoi prospect Selenge Mongolia Occurrence Details
Kiyalykh-Uzen deposit Respublika Khakasiya Russian Federation Prospect Details
KY prospect Hovd Mongolia Prospect Details
Mogoinshand prospect Govi-Altay Mongolia Occurrence Details
Morinchuluut prospect Uvs Mongolia Occurrence Details
Oyuut Ovoo prospect Bulgan Mongolia Occurrence Details
Satyr Hudag prospect Govi-Altay Mongolia Prospect Details
Sora deposit Respublika Khakasiya Russian Federation Producer Details
Takhilt prospect Hovd Mongolia Prospect Details
Tana prospect Hovd Mongolia Prospect Details
Tesiin Oyut prospect Dzavhan Mongolia Occurrence Details
Tsetsuuh prospect Dzavhan Mongolia Occurrence Details
unnamed prospect Övörhangay Mongolia Occurrence Details
Yardag uul prospect Selenge Mongolia Occurrence Details
Yargait prospect Arhangay Mongolia Occurrence Details
Yashiltyn prospect Selenge Mongolia Occurrence Details
Zuslan tolgoi prospect Selenge Mongolia Occurrence Details
Sharhad group (Ereen iher) prospect Bulgan Mongolia Occurrence Details