Catastrophic flooding and eruption of ash-flow tuff at Medicine Lake volcano, California
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Abstract
Catastrophic flooding has eroded a discontinuous network of oversized anastomosing channels on the northwest flank of the Medicine Lake volcano. Most of these previously unrecognized channels were cut into an andesitic ash-flow tuff; boulders as large as 2 m in intermediate diameter were moved in terrain where little rain falls today and stream erosion is nonexistent or minimal. The flooding was probably triggered by eruption of andesite tuff through a late Pleistocene ice cap on the volcano, about 60,000 to 70,000 or about 130,000 B.P.
Publication type | Article |
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Publication Subtype | Journal Article |
Title | Catastrophic flooding and eruption of ash-flow tuff at Medicine Lake volcano, California |
Series title | Geology |
DOI | 10.1130/0091-7613(1986)14<875:CFAEOA>2.0.CO;2 |
Volume | 14 |
Issue | 10 |
Year Published | 1986 |
Language | English |
Publisher | Geological Society of America |
Description | 4 p. |
First page | 875 |
Last page | 878 |
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