Abstract
Olivine in Hawaiian tholeiitic lavas have high NiO at given forsterite (Fo) contents (e.g., 0.25–0.60 wt% at Fo88) compared to MORB (e.g., 0.10–0.28 wt% at Fo88). This difference is commonly related to source variables such as depth and temperature of melting and/or lithology. Hawaiian olivine NiO contents are also highly variable and can range from 0.25–0.60 wt% at a given Fo. Here we examine the effects of crustal processes (fractional crystallization, magma mixing, diffusive re-equilibration) on the Ni content in olivine from Hawaiian basalts. Olivine compositions for five major Hawaiian volcanoes can be subdivided at ≥Fo88 into high-Ni (0.25–0.60 wt% NiO; Ko‘olau, Mauna Loa, and Mauna Kea) and low-Ni (0.25–0.45 wt% NiO; Kllauea and Lō‘ihi), groups that are unrelated to major isotopic trends (e.g., Loa and Kea). Within each group, individual volcanoes show up to 2.5× variation in olivine NiO contents at a given Fo. Whole-rock Ni contents from Ko‘olau, Mauna Loa, Mauna Kea, and Kīlauea lavas overlap significantly and do not correlate with differences in olivine NiO contents. However, inter-volcano variations in parental melt polymerization (NBO/T) and nickel partition coefficients
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Acknowledgments
The authors acknowledge Keith Putirka, Benoît Welsh, and Dawn Sweeny-Ruth for fruitful discussions on olivine growth and compositional zoning, Mike Vollinger for XRF analyses, Eric Hellebrand for assistance with EPMA analyses, Jared Marske for unpublished East Rift Zone XRF data, and Garrett Ito for access to the Department of Geology and Geophysics, Geophysics and Tectonics Division’s computer cluster for diffusion modeling. We thank Claude Herzberg and Andrew Matzen for their helpful formal reviews, and Bruce Watson for editorial handling. The comments from the GG616 Scientific Writing class are also appreciated. This work is supported by NSF Grants EAR1118741 and EAR13347915 to M.G., EAR1321890 to T.S., the Fred M. Bullard Foundation and the University of Hawai‘i Graduate Student Organization to K.L. This is SOEST contribution number 9392.
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Articles in the same Issue
- Special collection: From magmas to ore deposits
- Sulfide-silicate textures in magmatic Ni-Cu-PGE sulfide ore deposits: Disseminated and net-textured ores
- Special collection: Olivine
- Nickel variability in Hawaiian olivine: Evaluating the relative contributions from mantle and crustal processes
- Special collection: Water in nominally hydrous and anhydrous minerals
- Hydrogen incorporation mechanisms in forsterite: New insights from 1H and 29Si NMR spectroscopy and first-principles calculation
- Special collection: Water in nominally hydrous and anhydrous minerals
- New SIMS reference materials for measuring water in upper mantle minerals
- Special collection: Apatite: A common mineral, uncommonly versatile
- Co-variability of S6+, S4+, and S2− in apatite as a function of oxidation state: Implications for a new oxybarometer
- Special collection: Apatite: A common mineral, uncommonly versatile
- Apatite in the dike-gabbro transition zone of mid-ocean ridge: Evidence for brine assimilation by axial melt lens
- Special collection: Apatite: A common mineral, uncommonly versatile
- LA-Q-ICP-MS apatite U/Pb geochronology using common Pb in plagioclase: Examples from layered mafic intrusions
- Special collection: Apatite: A common mineral, uncommonly versatile
- Chlorine and fluorine partitioning between apatite and sediment melt at 2.5 GPa, 800 °C: A new experimentally derived thermodynamic model
- Outlooks in earth and planetary materials
- On the mineralogy of the “Anthropocene Epoch”
- Chromium mineral ecology
- Representative size distributions of framboidal, euhedral, and sunflower pyrite from high-resolution X-ray tomography and scanning electron microscopy analyses
- Phase relations of MgFe2O4 at conditions of the deep upper mantle and transition zone
- Thermodynamics and crystal chemistry of rhomboclase, (H5O2)Fe(SO4)2⋅2H2O, and the phase (H3O)Fe(SO4)2 and implications for acid mine drainage
- Chemical lattice expansion of natural zircon during the magmatic-hydrothermal evolution of A-type granite
- A new high-pressure phase transition in clinoferrosilite: In situ single-crystal X-ray diffraction study
- Investigating nanoscale mineral compositions: Iron L3-edge spectroscopic evaluation of iron oxide and oxy-hydroxide coordination
- Letter
- Nitrogen and carbon concentrations and isotopic compositions of the silica clathrate melanophlogite
- Letter
- Hollisterite (Al3Fe), kryachkoite (Al,Cu)6(Fe,Cu), and stolperite (AlCu): Three new minerals from the Khatyrka CV3 carbonaceous chondrite
- New Mineral Names
Articles in the same Issue
- Special collection: From magmas to ore deposits
- Sulfide-silicate textures in magmatic Ni-Cu-PGE sulfide ore deposits: Disseminated and net-textured ores
- Special collection: Olivine
- Nickel variability in Hawaiian olivine: Evaluating the relative contributions from mantle and crustal processes
- Special collection: Water in nominally hydrous and anhydrous minerals
- Hydrogen incorporation mechanisms in forsterite: New insights from 1H and 29Si NMR spectroscopy and first-principles calculation
- Special collection: Water in nominally hydrous and anhydrous minerals
- New SIMS reference materials for measuring water in upper mantle minerals
- Special collection: Apatite: A common mineral, uncommonly versatile
- Co-variability of S6+, S4+, and S2− in apatite as a function of oxidation state: Implications for a new oxybarometer
- Special collection: Apatite: A common mineral, uncommonly versatile
- Apatite in the dike-gabbro transition zone of mid-ocean ridge: Evidence for brine assimilation by axial melt lens
- Special collection: Apatite: A common mineral, uncommonly versatile
- LA-Q-ICP-MS apatite U/Pb geochronology using common Pb in plagioclase: Examples from layered mafic intrusions
- Special collection: Apatite: A common mineral, uncommonly versatile
- Chlorine and fluorine partitioning between apatite and sediment melt at 2.5 GPa, 800 °C: A new experimentally derived thermodynamic model
- Outlooks in earth and planetary materials
- On the mineralogy of the “Anthropocene Epoch”
- Chromium mineral ecology
- Representative size distributions of framboidal, euhedral, and sunflower pyrite from high-resolution X-ray tomography and scanning electron microscopy analyses
- Phase relations of MgFe2O4 at conditions of the deep upper mantle and transition zone
- Thermodynamics and crystal chemistry of rhomboclase, (H5O2)Fe(SO4)2⋅2H2O, and the phase (H3O)Fe(SO4)2 and implications for acid mine drainage
- Chemical lattice expansion of natural zircon during the magmatic-hydrothermal evolution of A-type granite
- A new high-pressure phase transition in clinoferrosilite: In situ single-crystal X-ray diffraction study
- Investigating nanoscale mineral compositions: Iron L3-edge spectroscopic evaluation of iron oxide and oxy-hydroxide coordination
- Letter
- Nitrogen and carbon concentrations and isotopic compositions of the silica clathrate melanophlogite
- Letter
- Hollisterite (Al3Fe), kryachkoite (Al,Cu)6(Fe,Cu), and stolperite (AlCu): Three new minerals from the Khatyrka CV3 carbonaceous chondrite
- New Mineral Names