|
Text Description: n.d. on deposit thickness; pumice with trace amount of blocky grains; in massive to planar stratified silt with convolutions within an alluvial fan deposit; ~7.4 m above base of section; field name SM9649 References: ![]() |
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.