Galapagos Spreading Center Basalt Glass Helium Isotope Data
Along the Galápagos Spreading Center 3He/4He varies from 8.5 to 5.9 RA. High 3He/4He ratios, resembling those in the western and southern Galápagos islands, are absent. The most striking feature is a 3He/4He gradient, decreasing westward from 8.4 to 7.0 RA between 89° and 93°W, where the GSC is shallowest and shows “axial high” morphology.
How to cite this dataset:
Graham, D. W., 2014. Galapagos Spreading Center Basalt Glass Helium Isotope Data, Version 1.0. Interdisciplinary Earth Data Alliance (IEDA). https://doi.org/10.1594/IEDA/100427.
DOI Creation Date:
Graham, D. W., B. B. Hanan, J. E. Lupton, K. Hoernle, R. Werner, D. M. Christie and J. M. Sinton (2014) "Helium isotope variations and mantle plume – spreading ridge interactions along the Galápagos Spreading Center." Geophysical Monograph 204. The Galápagos: A Natural Laboratory for the Earth Sciences. Eds. K. S. Harpp, E. Mittelstaedt, N. d’Ozouville and D. W. Graham, pp. 391-412.
Creative Commons Attribution-NonCommercial-Share Alike 3.0 United States [CC BY-NC-SA 3.0]
National Science Foundation: 0241915
Coverage Scope: Regional (Continents, Oceans)
Geographic Location: Galapagos Spreading Center
User Contributed Keyword(s):
helium isotopes, mid-ocean ridge basalt, mantle plume, hotspot-ridge interaction, Ridge related
Data Available On: