Usage:
Skagit Metamorphic Suite (WA)
[/?] Skagit Gneiss Complex (WA*)
[/?] Skagit Gneiss (WA)
Geologic age:
Late Cretaceous to early Tertiary* (metamorphic age)
Type section, locality, area and/or origin of name:
Type section: Skagit Gorge between Newhalem and Ross Dam, from sec. 21, T. 37 N., R. 12 E., to sec. 35, T. 38 N., R. 13 E., Mount Baker 30- x 60-min quadrangle, northern WA (Haugerud and others, 1991).
AAPG geologic province:
Cascades province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).