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Filtering by: Creator Johnson, H. Paul Date issued sim 1993-09-03

Helium isotope variations in Juan de Fuca ridge basalts

Creator:

Lupton, John E., Graham, David W., Delaney, John R., and Johnson, H. Paul

Abstract:

We have measured ³He/⁴He ratios and He and Ne concentrations on a suite of 24 basalt glasses from the neovolcanic zone of the Juan de Fuca Ridge (JdFR) from 44.6°N near the Blanco Transform up to 48.0°N on the Endeavour Segment. The helium isotope ratios exhibit a clear geographic variation,...

Resource Type:

Article