142Nd/144Nd Inferences on the nature and origin of the source of high 3He/4He magmas
Sign Up to like & getrecommendations! Published in 2017 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2017.05.005
Abstract: High-precision measurements of 142Nd/144Nd in picrites from the Baffin Bay region that contain the highest 3He/4He ratios yet measured in terrestrial mantle-derived rocks are indistinguishable from the value measured in the terrestrial standard and other… read more here.
Keywords: 3he 4he; 142nd 144nd; 4he magmas; high 3he ... See more keywords
Plate tectonic cycling modulates Earth's 3He/22Ne ratio
Sign Up to like & getrecommendations! Published in 2018 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2018.06.044
Abstract: Abstract The ratio of 3He and 22Ne varies throughout the mantle. This observation is surprising because 3He and 22Ne are not produced in the mantle, are highly incompatible during mantle melting, and are not recycled… read more here.
Keywords: high 3he; mantle; 3he 22ne; 22ne ratio ... See more keywords
Hydrogen isotopes in high 3He/4He submarine basalts: Primordial vs. recycled water and the veil of mantle enrichment
Sign Up to like & getrecommendations! Published in 2019 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2018.12.012
Abstract: Abstract The hydrogen isotope value (δD) of water indigenous to the mantle is masked by the early degassing and recycling of surface water through Earth's history. High 3He/4He ratios in some ocean island basalts, however,… read more here.
Keywords: mantle; 3he 4he; water; hydrogen ... See more keywords