Summary: What We Know About The OWL
- First reported by Erwin Raisz in 1945.
- Seems to have more depressions and basins on the north side.
- Associated with many right-lateral strike-slip fault zones.
- Seems to be expressed in Quaternary (recent) glacial deposits.
- Does not offset Columbia River Basalts, so older than 17 million years.
- Not offset by the Straight Creek Fault, so probably younger than 41 million years. (Maybe.)
- Approximately separates oceanic-continental provinces.
- Not an oceanic-continental crustal boundary. (Maybe.)
- Not a hotspot track. (Maybe.)
- Seems to be aligned with lithospheric flow from the Juan de Fuca Ridge.
- Seems to be faint and confused in Oregon.
Read more about this topic: Olympic-Wallowa Lineament
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