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Detailed File Information
Henry Seamount at the western Canary Islands
File Name sbn.poster.kluegel.hansteen.pdf
Data Type poster
Computer Program Acrobat Reader 5.0
File Size 3.61 MB - 1 file
Expert Level College and Introduction to Science
Contributor Andreas Kluegel
Source No source
Resource Matrix The Formation of Seamounts
Description
Henry Seamount is a 660-m-high circular structure that rises from 3700 m deep seafloor southeast of El Hierro, close to the present location of the Canary hotspot. Because of its morphology and thick sediment coverage the seamount is interpreted as a comparatively old and passive volcano. A dredging campaign in 2005, however, yielded some volcanic rocks, massive barite and also well-preserved shells of vesicomyid clams that are indicative of active fluid flow. It appears that the seamount is or was recently discharging warm fluid, the driving force being either volcanic activity from Henry Seamount itself or heating of the underlying crust by the nearby hotspot.
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