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Geologic sightseeing

Learn more about Oregon's geology


Coastal MountainsKlamath MountainsCascade MountainsWillamette ValleyHi Lava PlainsBasin & RangeOwyhee UplandsBlue MountainsDeschutes Ð Columbia plateau
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 the following 9 geologic provinces, each with outstanding geologic scenery.

    map legend

    Graphic by Elizabeth L. Orr, Geology of Oregon,
    available from Nature of the Northwest
    Cascade MountainsBasin & Range & Owyhee UplandsHigh Lava PlainsBasin & Range & Owyhee UplandsBlue MountainsWillamette ValleyDeschutes-Columbia plateauKlamath MountainsCoast Range

geologic plates
IMS-28 "Oregon: A Geologic History — 150 Years of Statehood, 150 Million Years in the Making" (IMS-28), by Ian P. Madin.50- x 58-inch wall map. News release | companion web site

Maps and publications about Oregon’s Geology and its geologic treasures are available from the Nature of the Northwest Information Center, operated by the Oregon Department of Geology and Mineral Industries. Nature of the Northwest is open 9 am to 12:30 pm and 1 to 4 pm, Monday through Friday at:
800 NE Oregon Street, Suite 965
Portland, Oregon 97232
phone (971) 673-2331, fax (971) 673-1562
Web address: http://www.naturenw.org
.
Sparkslake
Sparks Lake in the central Oregon Cascades offers spectacular views in a quiet setting.

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Home | Maps & Publications | Hazards | Permits | Dept Info | Contact Us | Links | Search

Fossils, Minerals & Gems | Hazards | Field Offices | News and Events
Mineral Land Regulation and Reclamation | Oil, Gas and Geothermal
Nature of the Northwest Information Center | State of Oregon website
Job listings from the State of Oregon jobs page

Oregon Department of Geology and Mineral Industries
800 NE Oregon Street, Suite 965, Portland, OR 97232-2162
(971) 673-1555, FAX (971) 673-1562
email us at DOGAMI

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Your best source for outdoor recreation and natural resource information, plus the largest selection of maps in the Northwest.