Periodic floods from glacial Lake Missoula into the Sanpoil arm of glacial Lake Columbia, northeastern Washington
Geology
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Abstract
At least 15 floods ascended the Sanpoil arm of glacial Lake Columbia during a single glaciation. Varves between 14 of the flood beds indicate one backflooding every 35 to 55 yr. This regularity suggests that the floods came from an ice-dammed lake that was self-dumping. Probably the self-dumping lake was glacial Lake Missoula, Montana, because the floods accord with inferred emptyings of that lake in frequency and number, apparently entered Lake Columbia from the east, and produced beds resembling backflood deposits of Lake Missoula floods in southern Washington.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Periodic floods from glacial Lake Missoula into the Sanpoil arm of glacial Lake Columbia, northeastern Washington |
| Series title | Geology |
| DOI | 10.1130/0091-7613(1984)12<464:PFFGLM>2.0.CO;2 |
| Volume | 12 |
| Issue | 8 |
| Year Published | 1984 |
| Language | English |
| Publisher | Geological Society of America |
| Description | 4 p. |
| First page | 464 |
| Last page | 467 |
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