Geothermal segmentation of the Cascade Range in the USA
By: Marianne Guffanti, L.J. Muffler, Robert H. Mariner, D. R. Sherrod, James G. Smith, D.D. Blackwell, and C.S. Weaver
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Abstract
Characteristics of the crustal thermal regime of the Quaternary Cascades vary systematically along the range. Spatially congruent changes in volcanic vent distribution, volcanic extrusion rate, hydrothermal discharge rate, and regional conductive heat flow define 5 geothermal segments. These segments are, from north to south: (1) the Washington Cascades north of Mount Rainier, (2) the Cascades from Mount Rainier to Mount Hood, (3) the Oregon Cascades from south of Mount Hood to the California border, (4) northernmost California, including Mount Shasta and Medicine Lake volcano, and (5) the Lassen region of northern California. This segmentation indicates that geothermal resource potential is not uniform in the Cascade Range. Potential varies from high in parts of Oregon to low in Washington north of Mount Rainier.
Suggested Citation
Guffanti, M., Muffler, L., Mariner, R.H., Sherrod, D.R., Smith, J., Blackwell, D., Weaver, C., 1990, Geothermal segmentation of the Cascade Range in the USA, in Transactions - Geothermal Resources Council, v. 14, no. pt 2, Kailua-Kona, HI, USA, 20 August 1990 through 24 August 1990, p. 1431-1435.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Geothermal segmentation of the Cascade Range in the USA |
| ISBN | 0934412685 |
| Volume | 14 |
| Issue | pt 2 |
| Year Published | 1990 |
| Language | English |
| Publisher | Publ by Geothermal Resources Council |
| Publisher location | Davis, CA, United States |
| Larger Work Title | Transactions - Geothermal Resources Council |
| First page | 1431 |
| Last page | 1435 |
| Conference Title | 1990 International Symposium on Geothermal Energy |
| Conference Location | Kailua-Kona, HI, USA |
| Conference Date | 20 August 1990 through 24 August 1990 |