You are here: Home>Find maps>Pacific NW Proj. geologic maps>North Cascades geologic maps> rocksample

Find North Cascades geologic maps Mount Baker Sauk River Skykomish River Snoqualmie Pass Robinson Mountain Twisp Chelan Wenatchee

Rock samples collected between 1957 and 1992 in the North Cascades available at North Cascades National Park, Marblemount Click map for enlarged version. Representative rock samples of major North Cascade gelogic units are archived with North Cascades National Park in Marblemount, Washington. Approximately 3200 samples (shown here as dots), most with thin sections, and classified by geologic map unit are available. For information about this collection contact the Curator at Marblemount. Telephone 360 873 4500

Home | What's new | Find maps | Current research | Publications Links & resources | Site map | Contact us Western Earth Surface Processes Team USGS Home | Biology | Geology | Mapping | Water | Search USGS Privacy statement/General Disclaimer U.S. Department of the Interior This site is maintained by the Pacific Northwest Geologic Mapping and Urban Hazards Project of the Western Earth Surface Processes Team, Geologic Division, U.S. Geological Survey The URL of this page is http://geomaps.wr.usgs.gov/pacnw/nc/snp5.html Contact: mmoreno@usgs.gov This site last updated September 2, 2001