Suitability of nonwelded pyroclastic-flow deposits for studies of magnetic secular variation: A test based on deposits emplaced at Mount St. Helens, Washington, in 1980
Geology
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Abstract
Paleomagnetic directions obtained from nonwelded pyroclastic-flow deposits that were emplaced at Mount St. Helens, Washington, in 1980 have a precision and accuracy similar to data obtainable from lava flows. It is concluded that nonwelded pyroclastic-flow deposits, like lava flows, are suitable for studies of magnetic secular variation. Although clast rotations apparently caused an “inclination error” in the paleomagnetic directions, the error is a few degrees at most.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Suitability of nonwelded pyroclastic-flow deposits for studies of magnetic secular variation: A test based on deposits emplaced at Mount St. Helens, Washington, in 1980 |
| Series title | Geology |
| DOI | 10.1130/0091-7613(1985)13<242:SONPDF>2.0.CO;2 |
| Volume | 13 |
| Issue | 4 |
| Year Published | 1985 |
| Language | English |
| Publisher | Geological Society of America |
| Contributing office(s) | Geosciences and Environmental Change Science Center |
| Description | 4 p. |
| First page | 242 |
| Last page | 245 |
| Country | United States |
| State | Washington |
| Other Geospatial | Mount St. Helens |