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Generation of continental intraplate alkali basalts and implications for deep carbon cycle
Although the deep recycling of carbon has been proposed to play a key role in producing
intraplate magmatism, the question of how it controls or triggers mantle melting remains …
intraplate magmatism, the question of how it controls or triggers mantle melting remains …
Magmatism in the North Atlantic Igneous Province; mantle temperatures, rifting and geodynamics
MJ Hole, JH Natland - Earth-Science Reviews, 2020 - Elsevier
We have re-evaluated mantle potential temperature estimates for the North Atlantic Igneous
Province (NAIP). Temperature estimates involving olivine addition to pillow-lava glasses are …
Province (NAIP). Temperature estimates involving olivine addition to pillow-lava glasses are …
Persistence of strong silica-enriched domains in the Earth's lower mantle
The composition of the lower mantle—comprising 56% of Earth's volume—remains poorly
constrained. Among the major elements, Mg/Si ratios ranging from∼ 0.9–1.1, such as in …
constrained. Among the major elements, Mg/Si ratios ranging from∼ 0.9–1.1, such as in …
Evidence for a deep mantle source for EM and HIMU domains from integrated geochemical and geophysical constraints
Subduction of oceanic and continental crust (and associated sediments) into the mantle over
geologic time generates mantle domains with geochemically distinct signatures, referred to …
geologic time generates mantle domains with geochemically distinct signatures, referred to …
Compositional layering within the large low shear‐wave velocity provinces in the lower mantle
The large low shear‐wave velocity provinces (LLSVP) are thermochemical anomalies in the
deep Earth's mantle, thousands of km wide and∼ 1800 km high. This study explores the …
deep Earth's mantle, thousands of km wide and∼ 1800 km high. This study explores the …
Sulfur concentration of martian basalts at sulfide saturation at high pressures and temperatures–implications for deep sulfur cycle on Mars
To constrain sulfur concentration at sulfide saturation (SCSS) of martian magmas at mantle
conditions, we simulated basalt-sulfide melt equilibria using two synthesized meteorite …
conditions, we simulated basalt-sulfide melt equilibria using two synthesized meteorite …
Mantle sources of ocean islands basalts revealed from noble gas isotope systematics
Noble gas isotope systematics, particular those of He, have been fundamental in showing
that some ocean island basalts (OIB) were sourced from deep mantle plumes. Relationships …
that some ocean island basalts (OIB) were sourced from deep mantle plumes. Relationships …
The mantle source of thermal plumes: Trace and minor elements in olivine and major oxides of primitive liquids (and why the olivine compositions don't matter)
We estimate the mantle source compositions for mantle plumes and, by implication, Earth's
lower mantle by:(1) measuring trace (eg, Sc, V, Cu) and minor (eg, Ca, Mn, Ni) element …
lower mantle by:(1) measuring trace (eg, Sc, V, Cu) and minor (eg, Ca, Mn, Ni) element …
Geochemistry of lavas from the Caroline hotspot, Micronesia: Evidence for primitive and recycled components in the mantle sources of lavas with moderately elevated …
A suite of lavas from Kosrae, Ponape and Chuuk islands, which are related to the Caroline
hotspot, are characterized for Sr, Nd, Pb, Hf and He isotopic compositions and major and …
hotspot, are characterized for Sr, Nd, Pb, Hf and He isotopic compositions and major and …
Sulfur inventory of ocean island basalt source regions constrained by modeling the fate of sulfide during decompression melting of a heterogeneous mantle
The sulfur (S) and copper (Cu) contents of primitive mid-ocean ridge basalts (MORB) and
ocean island basalts (OIB) are similar, although the latter are thought to be derived from …
ocean island basalts (OIB) are similar, although the latter are thought to be derived from …