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Pacific NW Geologic Mapping Project

Geologic maps of the North Cascades

Tes-3. Basal conglomerate of the Chuckanut Formation (extensional deposits, Tes). Pebbles in the conglomerate are largely vein quartz eroded from nearby Darrington Phyllite (Ked). A locally derived boulder in Clearwater Creek [MBnw].
Other photos that show unit Tes:

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Photo Indices: Captions (Additional photos home) | Map | Young rocks and deposits | Older rocks west | Older rocks east