USGS home Scientific Investigations Map 2940 

Pacific NW Geologic Mapping Project

Geologic maps of the North Cascades


QTcp-2. Dark inclusions in quartz monzonite and granite of Nooksack cirque [MBnw], a ~3.4 Ma pluton (QTcp) of the Chilliwack batholith (Tucker and others, 2007).
Other photos that show unit QTcp:













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