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Learn More About Oregon's Geology
Geologic Sightseeing
The Oregon landscape has been shaped by plate tectonics and millions of years of volcanic activity. Visitors who travel through the state will find many opportunities to examine the scenic geology and see and collect samples of minerals, rocks, and fossils. Oregon can be divided into nine geologic provinces, each with outstanding geologic scenery.
Maps and publications about Oregon's Geology and its geologic treasures are available online through our Publications Center
Sparks Lake in the central Oregon Cascades offers spectacular views in a quiet setting.
More resources on Oregon's Geology