Mineral Resources
Online Spatial Data
National Mineral Resource Assessment 1998
Mineral assessment tracts in Cordova (1:250,000 Alaska quadrangle in USGS Quadrangles)
[
Additional scientific data in this geographic area
]
AK-SC12: Low-sulfide Au-quartz veins, Chugach type (36a.1)
(Eocene - Oligocene)
, covers 17 % of this area
90%
50%
10%
5%
1%
80
600
800
800
800
AK-SC25: Placer Au (39a)
(Cenozoic)
, covers 4 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SC37: Sedex Zn-Pb (31a)
(Cenozoic)
, covers 4 % of this area
The number of undiscovered deposits in this tract was not estimated.