1. Mineral Resources
  2. Online Spatial Data
  3. National Mineral Resource Assessment 1998

Mineral assessment tracts in Frederick county, Maryland

[Additional scientific data in this geographic area]

EC01: Sandstone-hosted Pb-Zn (30a) (Paleozoic) , covers 0.5 % of this area
The number of undiscovered deposits in this tract was not estimated.
EC06: Mississippi Valley, Appalachian Zn (32b) (Late Paleozoic) , covers 0.5 % of this area
90%50%10%5%1%
3681114
SA18: Sediment-hosted Cu (30b) (Early Mesozoic) , covers 17 % of this area
90%50%10%5%1%
12333