USGS home Scientific Investigations Map 2940 

Pacific NW Geologic Mapping Project

Geologic maps of the North Cascades

TKcs-2. Cascade River Schist (TKcs) exposed below the glacier in the Middle Fork Cascade River [SRne], northeast flank of Mount Formidable. Mafic schist contains large flattened clasts derived from volcanic breccia and tuff. Note ice ax, lower right corner, for scale.
Other photos that show unit TKcs:

Previous Photo        Next Photo   

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