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The Lassen hydrothermal system

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Steven E. Ingebritsen, Deborah Bergfeld, Laura Clor, and William C. Evans, 2016, The Lassen hydrothermal system: American Mineralogist, v. 101.

Summary

The active Lassen hydrothermal system includes a central vapor-dominated zone or zones beneath the Lassen highlands underlain by ~240 °C high-chloride waters that discharge at lower elevations. It is the best-exposed and largest hydrothermal system in the Cascade Range, discharging 41 ± 10 kg/s of steam (~115 MW) and 23 ± 2 kg/s of high-chloride waters (~27 MW). The Lassen system accounts for a full 1/3 of the total high-temperature hydrothermal heat discharge in the U.S. Cascades (140/400 MW). Hydrothermal heat discharge of ~140 MW can be supported by crystallization and cooling of silicic magma at a rate of ~2400 km3/Ma, and the ongoing rates of heat and magmatic CO2 discharge are broadly consistent with a petrologic model for basalt-driven [...]

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Harvested on Sun Jan 31 04:23:42 MST 2016 from MODS XML Service

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Type Scheme Key
local-index unknown 70162466
local-pk unknown 70162466
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.2138/am-2016-5456
series unknown American Mineralogist

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citationTypeArticle
journalAmerican Mineralogist
languageEnglish
parts
typevolume
value101

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