Seismicity, Structure, and Fluid Flow of the TAG Hydrothermal System
Nickname
STAG
Format
SEGY
Type
OBSIP
Start year
2003
End Year
2003
Description
This project will monitor microearthquake activity, vent exit temperatures, and tidal pressures at the TAG hydrothermal site on the Mid-Atlantic Ridge 26 degrees north. An active-source seismic survey will be focused on the TAG segment bathymetric high. The experiment will address the nature of the heat source driving hydrothermal circulation, the relationship between the faulting on the eastern flank and fluid flow at the mound, the possible existence of a low-velocity zone beneath the rise axis, and the hydraulic connectivity of the shallow TAG mound.
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