Yellowstone: Seismic Evidence for a Chemical Mantle Plume
Hadley DM, Stewart GS, Ebel JE. 1976. Yellowstone: Seismic Evidence for a Chemical Mantle Plume. Science. 193(4259):1237-1239
Arrivals of P waves from a recent event at the Nevada Test Site, recorded at a distance of 15.3°, passed beneath the Yellowstone caldera at depths of 200 and 400 kilometers. The travel time anomalies are modeled by a vertical cylindrical structure with a high-velocity core and a low-velocity collar as compared with the more normal mantle. The velocity structure and vertical extent of this feature are consistent with a chemical mantle plume beneath the Yellowstone caldera.
- Type
- Journal Article
- Authors
- Hadley, David; Stewart, Gordon; Ebel, John
- Units
- YELL
- Keywords
- Geochemistry, Geology, Mantle, Seismicity