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USGS Geology in the Parks

Terrains of the North Cascades

Rocks of the Methow Domain Rocks of the Metamorphic Core Domain Terrane map Methow Domain Metamorphic Core Domain Western Domain Hozomeen Terrane Methow Terrane Little Jack Terrane Swakane Terrane Nason Terrane Chelan Mountains Terrane Nooksack Terrane Chilliwack River Terrane Bell Pass melange Easton Terrane Terrane map
Click on map to learn more about each domain. Click on map legend to visit individual terranes of the North Cascades.

Material in this site has been adapted from a book, Geology of the North Cascades: A Mountain Mosaic by R. Tabor and R. Haugerud, of the USGS, with drawings by Anne Crowder. It is published by The Mountaineers, Seattle.

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