- Mineral Resources
- Online Spatial Data
- Global assessment of undiscovred copper resources
Late Jurassic (?) and Early Cretaceous Koyukuk island arc.
Tract ID |
003pCu5007 |
Country |
United States of America |
Commodity |
Cu |
Study area name |
United States revised - Alaska |
Tectonic setting |
island arc |
Deposit type |
porphyry copper |
Grade-tonnage model |
Not assessed |
Geologic age |
Geologic feature age |
Late Jurassic through Early Cretaceous |
Generalized age |
Mesozoic |
Oldest rocks age |
161.2Ma
|
Youngest rocks age |
99.6Ma
|
Age range |
61.6Ma
|
|
Map scales used |
1M |
(A quantitative assessment of this tract was not carried out.)
Bibliographic references
General |
U.S. Geological Survey National Mineral Resource Assessment Team (2002) |
Deposits and prospects associated with this tract
Name |
Type |
State |
Country |
Development |
Details |
unnamed |
prospect |
Alaska |
United States |
Prospect |
Details |