Mineral Resources
Online Spatial Data
National Mineral Resource Assessment 1998
Mineral assessment tracts in Bethel (1:250,000 Alaska quadrangle in USGS Quadrangles)
[
Additional scientific data in this geographic area
]
AK-SW05: Peraluminous granite porphyry gold
(Cretaceous - Tertiary)
, covers 0.6 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW06: Low-sulfide Au-quartz veins (36a)
(Precambrian - Mesozoic)
, covers 6 % of this area
90%
50%
10%
5%
1%
1
2
3
4
6
AK-SW13: Plutonic porphyry Au (43)
(Mesozoic - Tertiary)
, covers 63 % of this area
90%
50%
10%
5%
1%
3
6
10
15
20
AK-SW14: Placer Au (39a)
(Cenozoic)
, covers 85 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW16: Polymetallic vein (22c)
(Mesozoic - Tertiary)
, covers 85 % of this area
The number of undiscovered deposits in this tract was not estimated.
AK-SW20: Epithermal vein, hot spring Au (25a)
(Cretaceous - Tertiary)
, covers 35 % of this area
90%
50%
10%
5%
1%
0
1
2
3
6