Elisabeth Widom scite author profile

a component of Paleozoic oceanic crust produces the limited range Osmium concentrations and isotopic signatures were measured in in Os isotopic signatures observed in the Madeira and Canary Island 28 primarily Holocene basalts (22 of which have been analyzed basalts despite a large range in 206 Pb/ 204 Pb isotopic composition. for Sr-Nd-Pb isotope composition), two carbonatites and two mantle xenoliths from the Canary Islands, Selvagen Grande and Madeira in the eastern North Atlantic. 187 Os/ 188 Os ratios in the basalts range from 0•129 to 0•183. The Os isotope systematics indicate that the basalts fall into three petrogenetic groups: (1) a

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Th–Sr–Nd–Pb isotope and trace element evidence for the origin of the São Miguel, Azores, enriched mantle source

Widom

Carlson

Gill

et al. 1997

Chemical Geology

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Ultra-refractory Domains in the Oceanic Mantle Lithosphere Sampled as Mantle Xenoliths at Ocean Islands

Simon

Neumann

Bonadiman

et al. 2008

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Os isotope systematics in the Azores: implications for mantle plume sources

Widom

Shirey

1996

Earth and Planetary Science Letters

162

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Abundance and distribution of PGE and Au in the island-arc mantle: implications for sub-arc metasomatism

Kepezhinskas¹,

Defant

Widom

2002

Lithos

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Elisabeth Widom

The control of lithium budgets in island arcs

Chemical and isotopic composition (Os, Pb, Nd, and Sr) of Neogene to Quaternary calc-alkalic, shoshonitic, and ultrapotassic mafic rocks from the Italian peninsula: Inferences on the nature of their mantle sources

The nature of metasomatism in the sub-arc mantle wedge: evidence from Re–Os isotopes in Kamchatka peridotite xenoliths

Os Isotope Systematics in the Canary Islands and Madeira: Lithospheric Contamination and Mantle Plume Signatures

Th–Sr–Nd–Pb isotope and trace element evidence for the origin of the São Miguel, Azores, enriched mantle source

Ultra-refractory Domains in the Oceanic Mantle Lithosphere Sampled as Mantle Xenoliths at Ocean Islands

Os isotope systematics in the Azores: implications for mantle plume sources

Abundance and distribution of PGE and Au in the island-arc mantle: implications for sub-arc metasomatism

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