DG
Member Since 2010
D. Graham Pearson
Research Professor, University of Alberta
AGU Research
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Characterization of Mantle-Derived, Kimberlitic Zircon Megacrysts
UNDERGRADUATE EARTH, ATMOSPHERIC, OCEAN, AND SPACE SCIENCE RESEARCH AND OUTREACH POSTERS
education | 12 december 2023
Kaden Berkhahn, Spencer K. Zeigler, Liam Courtney-...
Mantle-derived zircon have long been used to date the eruption of their host rocks, such as kimberlites. Zircon are useful for geochronology due to th...
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Sublithospheric diamonds record carbonate-mantle interaction from ferropericlase Fe and Mg isotopic compositions
STATE OF THE ARC: QUESTIONS AND PROGRESS ON SUBDUCTION ZONE GEODYNAMICS I POSTER
study of earth's deep interior | 12 december 2023
Peng Ni, Steven B. Shirey, Janina Czas, Davide Nov...
Sublithospheric diamonds form in the deep upper mantle, transition zone and uppermost lower mantle by the transport and deep release of surficial C, H...
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Understanding He isotopes in mantle-derived magmas: the message from noble gases in kimberlites
ORIGIN, DISTRIBUTION, AND TRANSPORT OF VOLATILES IN EARTH AND TERRESTRIAL PLANETS I POSTER
volcanology, geochemistry and petrology | 11 december 2023
Andrea Giuliani, Mark D. Kurz, Josh Curtice, Peter...
Helium isotopes are ideal tracers of primordial material in the deep Earth. High 3He/4He values in ocean island basalts (OIBs) and magmatic rocks in s...
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Recycling or reworking of ancient crust – insights from zircon U-Pb-Hf-O isotope data in the Slave Province (Canada)
THE ARCHEAN: CRUSTAL EVOLUTION AND PLANETARY HABITABILITY II POSTER
volcanology, geochemistry and petrology | 11 december 2023
Emily White, Jesse R. Reimink, D. Graham Pearson, ...
The timing and processes of continental crust formation remain enigmatic due to a paucity of preserved samples from Earths earliest history. Large tra...
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Evaluating the Rheological Controls on Topography Development During Craton Formation: Objective Approaches to Evaluating Geodynamic Models
FROM THE SURFACE TO THE DEEP INTERIOR OF THE EARLY EARTH III ORAL
study of earth's deep interior | 12 december 2022
Kristina Kublik, Claire A. Currie, D. Graham Pears...
Cratons make up 60% of the worlds continental lithosphere and are rich in resources, producing nearly all the worlds diamonds and precious metals. The...
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Stable Isotope Composition of the Slave Cratonic Lithospheric Mantle as a Tracer of Metasomatism
RECYCLING IN THE SUBDUCTION FACTORY: CHARACTERIZATION OF SUBDUCTION-INDUCED MANTLE HETEROGENEITIES THROUGH INTERDISCIPLINARY APPROACHES I ORAL
study of earth's deep interior | 17 december 2021
Sarah Brooker, Jaime Barnes, John C. Lassiter, D. ...
The mechanisms behind the formation and stabilization of Archean crustal provinces and their underlying lithosphere are poorly understood. Three propo...
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Gaining insight on mantle heterogeneity by seeing through metasomatism: A triple oxygen isotope analysis of altered oceanic crust and mantle eclogite
RECYCLING IN THE SUBDUCTION FACTORY: CHARACTERIZATION OF SUBDUCTION-INDUCED MANTLE HETEROGENEITIES THROUGH INTERDISCIPLINARY APPROACHES II POSTER
study of earth's deep interior | 16 december 2021
Catherine Peshek, Jesse P. McGunnigle, Erick J. Ca...
The wide range in δ18O values of Roberts Victor eclogite xenoliths (Kaapvaal Craton, South Africa) have remained a strong geochemical indication of a ...
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Sublithospheric Diamonds and Deep Earthquakes: Evidence for Carbon Subduction into the Mantle Transition Zone
HYDROGEN AND CARBON IN THE SOLID EARTH FROM CRUST TO CORE I ORAL
mineral and rock physics | 14 december 2021
Steven B. Shirey, Lara S. Wagner, Michael J. Walte...
Deep earthquakes and sublithospheric diamonds trace C-O-H-S bearing fluids and their release in the mantle transition zone. Our new models of the ther...
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