Mineral Resources
Online Spatial Data
National Mineral Resource Assessment 1998
Mineral assessment tracts in Yakutat (1:250,000 Alaska quadrangle in USGS Quadrangles)
[
Additional scientific data in this geographic area
]
AK-SC25: Placer Au (39a)
(Cenozoic)
, covers < 0.1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SC37: Sedex Zn-Pb (31a)
(Cenozoic)
, covers < 0.1 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SE03: Low-sulfide Au-quartz veins (36a)
(Cretaceous - Tertiary)
, covers 26 % of this area
90%
50%
10%
5%
1%
1
5
13
14
17
AK-SE05: Sierran Kuroko mass. sulf. (28a.1)
(Late Triassic)
, covers 10 % of this area
90%
50%
10%
5%
1%
1
3
7
9
13
AK-SE07: Porphyry Cu (17)
(Tertiary)
, covers 12 % of this area
90%
50%
10%
5%
1%
0
0
2
4
7
AK-SE19: Porphyry Cu, skarn related (18a)
(Tertiary)
, covers 12 % of this area
90%
50%
10%
5%
1%
0
0
0
1
3
AK-SE20: Porphyry Cu-Mo (21a)
(Tertiary)
, covers 12 % of this area
90%
50%
10%
5%
1%
0
0
1
4
5