Layers of pumice on the floor of a cirque near Paradise Park, Mount Rainier National Park, Washington.
Summary
Mount Rainier National Park, Washington. Layers of pumice on the floor of a cirque near Paradise Park. The yellow bed at the bottom is layer 0, which was erupted by Mount Mazama volcano at the site of Crater Lake, Oregon, about 6,600 years ago. The yellowish-brown layer a few inches above layer 0 is layer D, a pumice that was erupted by Mount Rainier between 5,800 and 6,600 years ago. The light yellowish-brown pumice bed at the top of the outcrop is layer Y which originated at Mount Saint Helens volcano between 3,250 and 4,000 years ago. Photo by D. Mullineaux. Published in U.S. Geological Survey Bulletin 1292, figure 7. 1969; Published in U.S. Geological Survey Bulletin 1292 (revised edition), figure 6.
Summary
Mount Rainier National Park, Washington.
Layers of pumice on the floor of a cirque near Paradise Park. The yellow bed at the bottom is layer 0, which was erupted by Mount Mazama volcano at the site of Crater Lake, Oregon, about 6,600 years ago. The yellowish-brown layer a few inches above layer 0 is layer D, a pumice that was erupted by Mount Rainier between 5,800 and 6,600 years ago. The light yellowish-brown pumice bed at the top of the outcrop is layer Y which originated at Mount Saint Helens volcano between 3,250 and 4,000 years ago.
Photo by D. Mullineaux.
Published in U.S. Geological Survey Bulletin 1292, figure 7. 1969;
Published in U.S. Geological Survey Bulletin 1292 (revised edition), figure 6.
Image located in U.S. Geological Survey Photographic Library, color transparency album, Crandell, D.R. Collection, no.12.
Rights
This USGS product is considered to be in the U.S. public domain. For further information on the USGS Information Policies and Instructions, refer to the Copyrights and Credits section on this web page: http://www.usgs.gov/laws/info_policies.html