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LA-ICP-MS Analysis of Major, Minor and Trace Elements in Olivine and Basaltic Glasses in a Single Run with Non-Matrix-Matched Calibration Standards
AGU 2024
volcanology, geochemistry and petrology | 13 december 2024
Mingzhen Yu, Zhongxing Chen, Charles H. Langmuir
Elemental fractionation caused by matrix effects and laser operation parameters particularly small laser spot sizes (<50 um), impacts the accuracy ...
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Constraints on the Geochemical Consequences of Periodically Replenished Magma Chambers from Theory, Calculations, Data and Field Observations
AGU 2024
volcanology, geochemistry and petrology | 12 december 2024
Charles H. Langmuir, Mingzhen Yu
Periodically replenished magma chambers (PRMCs) have been proposed to account for the geochemical variations of ocean ridge basalts1-4, but without te...
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The significance of recycled oceanic mantle lithosphere in mantle heterogeneity
AGU 2024
study of earth's deep interior | 12 december 2024
Alexandra Y. Yang, Charles H. Langmuir, Peter J. M...
Subduction of oceanic crust has long been considered a major cause of mantle heterogeneity. The oceanic lithospheric mantle, the largest volume of rec...
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Rock Record of Archean Mantle Oxygen Fugacity
AGU 2024
union sessions | 09 december 2024
Elizabeth Cottrell, Suzanne K. Birner, Dante Canil...
Once a planetary mantle solidifies, mineral assemblages and mineral compositions define fO2, influence the depth of melting, the composition of mantle...
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Wax Core Sediments and Associated Glasses as a Novel Exploration Tool at Ocean Ridges
ADVANCING UNDERSTANDING OF CRUSTAL ACCRETION, HYDROTHERMAL CIRCULATION, AND BIOLOGICAL IMPACTS ALONG EARTH’S MID-OCEAN RIDGE SYSTEM I POSTER
volcanology, geochemistry and petrology | 14 december 2023
Charles H. Langmuir, Mingzhen Yu, Zhongxing Chen
The wax coring technique for sampling ocean ridges that we first developed in the 1990s increased sampling rate by more than a factor of three compare...
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Sea level changes and hydrothermal activity: Statistical evaluation of 1-100kyr variability in hydrothermal iron deposition in Juan de Fuca Ridge sediment
CHAPMAN CONFERENCE ON HYDROTHERMAL CIRCULATION AND SEAWATER CHEMISTRY
general program | 17 may 2023
Jennifer L. Middleton, Charles H. Langmuir, Sujoy ...
Sedimentary reconstructions of hydrothermal iron deposition on the Mid-Atlantic Ridge, the East Pacific Rise, and the Juan de Fuca Ridge reveal quasi-...
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The Origin of Ni and Mn Variations in Hawaiian and MORB Olivines and Associated Basalts
TOPICS IN VOLCANOLOGY GEOCHEMISTRY AND PETROLOGY IV POSTER
volcanology, geochemistry and petrology | 16 december 2022
Mingzhen Yu, Charles H. Langmuir
The concentrations of Mn and Ni in olivine phenocrysts from ocean island basalts (OIB) and mid-ocean ridge basalts (MORB) have been used as indicators...
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The Significance of Recycled Oceanic Mantle Lithosphere beneath the Arctic Gakkel Ridge
HETEROGENEITY IN THE EARTH'S MANTLE: PERSPECTIVES FROM IMAGING, MODELING, GEOCHEMISTRY, AND EXPERIMENTS I ONLINE POSTER DISCUSSION
study of earth's deep interior | 13 december 2022
Alexandra Y. Yang, Charles H. Langmuir, Peter J. M...
Subduction of oceanic crust has long been considered a major cause of mantle heterogeneity. By far the largest volume of recycled plates, however, is ...
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