USGS home Scientific Investigations Map 2940 

Pacific NW Geologic Mapping Project

Geologic maps of the North Cascades

Qvr-1. View north from Wheeler Mountain [SRsw] across North Fork Stillaguamish River valley. Terraces of Vashon recessional outwash deposits (Qvr) and alluvium of valley bottoms (Qa) are prominent. Other rocks and deposits shown, much simplified: QTl, landslide; TKhm, Helena-Haystack mélange; TKeb, eastern mélange belt; Qvt, Vashon till. Devils Mountain fault is south boundary of Darrington-Devils Mountain Fault Zone. View image without annotation
Other photos that show unit Qvr:

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