Mineral Resources
Online Spatial Data
National Mineral Resource Assessment 1998
Mineral assessment tracts in Durham county, North Carolina
SA05: Massive sulfide, kuroko (28a)
(Proterozoic - Cambrian)
, covers 30 % of this area
The number of undiscovered deposits in this tract was not estimated.
SA10: Epithermal vein, quartz-alunite (25e)
(Proterozoic - Cambrian)
, covers 7 % of this area
90%
50%
10%
5%
1%
2
5
10
10
10
SA13: Hot-spring Au-Ag (25a)
(Proterozoic - Cambrian)
, covers 7 % of this area
The number of undiscovered deposits in this tract was not estimated.
SA20: Low-sulfide Au-quartz vein (36a)
(Paleozoic)
, covers 5 % of this area
The number of undiscovered deposits in this tract was not estimated.
SA22: Low-sulfide Au-quartz vein (36a)
(Paleozoic)
, covers 30 % of this area
90%
50%
10%
5%
1%
4
7
11
13
13