Member Since 1983
Brad R. Hacker
Professor Emeritus, University of California Santa Barbara
Professional Experience
University of California Santa Barbara
Professor Emeritus
2021 - Present
University of California Santa Barbara
Professor Emeritus
1996 - 2021
Education
Doctorate
1988
Honors & Awards
Norman L. Bowen Award and Lecture
Received December 2020
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Union Fellow
Received January 2010
Publications
Protracted Subduction of the European Hyperextended Margin Revealed by Rutile U‐Pb Geochronology Acr...
The Dora‐Maira massif is an archetypal nappe stack of subducted and exhumed upper crust. Slices of continental crust experienced metamorphism...
April 04, 2022
Dating Continental Subduction Beneath the Samail Ophiolite: ...
December 04, 2021
Petrochronology of Wadi Tayin Metamorphic Sole Metasediment,...
December 04, 2020
Reconciling Geophysical and Petrological Estimates of the Th...
August 11, 2020
AGU Abstracts
The average composition of lower continental crust is intermediate, not mafic
AGU 2024
volcanology, geochemistry and petrology | 11 december 2024
Peter B. Kelemen, Mark D. Behn, Bradley R. Hacker
In this invited presentation and a paper in press (Kelemen, Behn & Hacker, Treatise on Geochemistry, 3rd Edition, "Average Composition & Genes...
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Average composition & genesis of the continental lower crust: Density sorting beneath arcs and continental collision zones
THE FATE OF THE LITHOSPHERE DURING CONTINENTAL COLLISION: SLAB DEFORMATION, LITHOSPHERIC REMOVAL, AND TECTONIC SEGMENTATION IN ACTIVE OROGENIC SYSTEMS III POSTER
tectonophysics | 14 december 2023
Peter B. Kelemen, Mark D. Behn, Bradley R. Hacker
We combine area- & volume-weighted average seismic wave speeds of lower continental crust (LCC) with thermodynamic calculations of mineral proport...
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Relamination and Crustal Refining
NORMAN L. BOWEN AWARD LECTURE I
volcanology, geochemistry and petrology | 15 december 2021
Bradley R. Hacker
Most immature crust must be refined to attain the composition of mature continental crust. This refining may take the form of weathering, delamination...
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