1. Mineral Resources
  2. Online Spatial Data
  3. National Mineral Resource Assessment 1998

Mineral assessment tracts in Afognak (1:250,000 Alaska quadrangle in USGS Quadrangles)

[Additional scientific data in this geographic area]

AK-AP02: Cyprus massive sulfide (24a) (Mesozoic) , covers 5 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-AP04: Epithermal vein, generic (25) (Cenozoic) , covers < 0.1 % of this area
90%50%10%5%1%
510272727
AK-AP06: Low-sulfide Au-quartz veins, Chugach type (36a.1) (Mesozoic - Tertiary) , covers 5 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-AP07: Low-sulfide Au-quartz veins, Chugach type (36a.1) (Tertiary) , covers 9 % of this area
90%50%10%5%1%
410303030
AK-AP09: Porphyry Cu, BC-Ak type (17) (Tertiary) , covers < 0.1 % of this area
90%50%10%5%1%
513252525
AK-AP11: Placer Au (39a) (Quaternary) , covers < 0.1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-AP12: Placer Au (39a) (Quaternary) , covers 14 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-AP13: Polymetallic vein (22c) (Cenozoic) , covers < 0.1 % of this area
90%50%10%5%1%
1040909090