Discontinuous pale-white tephra that occurs approximately 190 cm below the surface. The tephra is 0.5 cm thick and occurs within gray and tan mottled loess; overlies tephra S851G (4 cm below).
Holocene tephrochronology of the Matanuska Valley, Alaska
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.