Mindoro-Tablas-West Panay

Neogene Mindoro-Tablas-Western Panay magmatic arc
Tract ID 142pCu7311
Country Philippines
Commodity Cu
Study area name East and Southeast Asia
Tectonic setting island arc
Deposit type porphyry copper
Grade-tonnage model Porphyry copper, Cu-Au subtype (Singer and others, 2008)
Geologic age
Geologic feature age Eocene through Holocene
Generalized age Tertiary-Paleogene
Oldest rocks age 55.8Ma
Youngest rocks age 0Ma
Age range 55.8Ma
Known prospects 4
Mean Cu (t/sq km) 379t/sq km
Map scales used 1M

Results of the assessment

Assessment date 2011
Estimators Jane M. Hammarstrom, Gilpin R. Robinson, Jr., Steve Ludington, Arthur A. Bookstrom, and Michael L. Zientek
Assessment depth 1km
Quantitative assessment Yes

Estimated number of deposits

Number of deposits Confidence level
1 50%
2 10%
3 5%
3 1%
Mean estimated deposits 1.08 ±0.98 (0.91%)
Probability of mean 0.22
Probability of no copper 0.29

Estimated deposit density

(sq km)
Deposit density
per 100,000 sq km
1.08 9,170 12

Mean estimated tonnage

Copper 3,200,000
Molybdenum 17,000
Gold 230
Silver 1,000
Ore 630

Undiscovered copper resource

Confidence level 50% 10% 5%
Tonnage 670,000 7,300,000 14,000,000

Economic analysis

Fraser country Philippines
Fraser type 0.11%
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 1,500,000t
Molybdenum 6,000t
Gold 75t
Silver 480t
Probability no econ recoverable 0.89
Econ NPV 310x $1M
Exp dollars 0.94x $1M/100,000 sq km
Exp value class Very Low

Bibliographic references

General Hammarstrom and others (2014)
Economic Robinson and Menzie (2012)

Deposits and prospects associated with this tract

Name Type State Country Development Details
Caloring prospect Romblon Philippines Occurrence Details
Cogon prospect Romblon Philippines Occurrence Details
Tablas Copper One prospect Romblon Philippines Occurrence Details
Tablas Copper Two prospect Romblon Philippines Occurrence Details