USGS home Scientific Investigations Map 2940 

Pacific NW Geologic Mapping Project

Geologic maps of the North Cascades

Tei-2. Lineated biotite granite typical of Eocene extensional dikes in Skagit Gneiss Complex. Outcrop in Maselpanik valley, a few miles north of United States-Canada border, northwest of Ross Lake [MBne]. Hand lens cord (about 3 mm diam) for scale.
Other photos that show unit Tei:

Previous Photo        Next Photo   

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