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Geology
Map Maker
Geologic Map
Shaded Relief
Map Layer
Generalized Geologic Map of the Conterminous United States
North America Shaded Relief
 

Article

  The North American Tapestry of Time and Terrain

Introduction
The Two Maps
Zoom In
Features
Legend and Rock Ages
Rock Types
Political Boundaries
Credits

 

Zoom In - Oregon and California

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Oregon and California
 to quaternary  map  to neogene map to paleogene map to cretaceous map  to jurassic map to triassic map  to permian map to pennsylvanian map to mississippian map  to devonian map  to silurian map  to ordovician map  to cambrian map to late proterozoic map to middle proterozoic map  to early proterozoic map to late archean map to middle archean map to early archean map Ages in millions of years 0 66 248 540 2500 4000 to late archean map to middle archean map to early archean map 4000