1. Mineral Resources
  2. Online Spatial Data
  3. 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%
25101010
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%
47111313