Member Since 1978
Charlie H. Langmuir
professor, Harvard University
AGU Research
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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
GENERAL CONTRIBUTIONS: VOLCANOLOGY, GEOCHEMISTRY, AND PETROLOGY II POSTER
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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The significance of recycled oceanic mantle lithosphere in mantle heterogeneity
REDISCOVERING EARTH’S MANTLE HETEROGENEITIES THROUGH IMAGING, MODELING, GEOCHEMISTRY, AND MINERAL EXPERIMENTS II POSTER
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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Constraints on the Geochemical Consequences of Periodically Replenished Magma Chambers from Theory, Calculations, Data and Field Observations
INSIGHTS INTO CRUSTAL MAGMA SYSTEM ARCHITECTURE AND RESIDENCE AND DIFFERENTIATION OF MAGMAS IN THE CRUST II ORAL
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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Rock Record of Archean Mantle Oxygen Fugacity
UPSTAIRS, DOWNSTAIRS REVISITED: PROGRESS AND PROSPECTS IN UNDERSTANDING THE CONSEQUENCES OF INTERNAL PLANET EVOLUTION FOR THE HABITABILITY OF PLANETARY SURFACES ORAL
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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