Brandon Shuck- Doctor of Philosophy
- Assistant Professor at Louisiana State University
Brandon Shuck
- Doctor of Philosophy
- Assistant Professor at Louisiana State University
Geoscience matters!
About
25
Publications
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Introduction
I am a solid-earth geophysicist and broadly interested in tectonic processes within the lithosphere along plate boundaries and mature tectonic settings. I primarily use active-source multi-channel seismic and wide-angle ocean-bottom seismometer data to image lithospheric properties. I work in subduction zones, continental rifts and rifted margins, seafloor spreading systems, and transform faults across various settings.
Current institution
Education
June 2016 - July 2021
July 2011 - November 2015
Publications
Publications (25)
Mantle processes control plate tectonics and exert an influence on biogeochemical cycles. However, the proportion of mantle sampled in-situ is minimal, as it is buried beneath igneous crust and sediments. Here we report the lithological characteristics of two mantle sections from an embryonic ocean drilled by the International Ocean Discovery Progr...
The origin of rupture segmentation along subduction zone megathrusts and linkages to the structural evolution of the subduction zone are poorly understood. Here, regional-scale seismic imaging of the Cascadia margin is used to characterize the megathrust spanning ~900 km from Vancouver Island to the California border, across the seismogenic zone to...
Subduction zones are fundamental to plate tectonics, yet how they initiate remains enigmatic. Geodynamic models suggest that if horizontal forces dominate, the upper plate experiences compression and uplift followed by extension and subsidence, whereas vertically forced subduction involves only extension. Geologic evidence of past subduction initia...
Oceanic plate seamounts are believed to play an important role in megathrust rupture at subduction zones, although consistent relationships between subducting seamounts and plate interface seismicity patterns are not found. While most studies focus on impacts linked to their topography, seamounts are also sites of heterogeneity in incoming plate se...
The interplay between structural and metamorphic processes operating along the deep plate interface in subduction zones remains elusive as much of the geologic record is recycled into the mantle. In some cases, metamorphosed subducted rocks are underplated and exhumed to the surface, providing critical constraints on structural processes and the rh...
Subduction initiation often takes advantage of previously weakened lithosphere and may preferentially nucleate along pre‐existing plate boundaries. To evaluate how past tectonic regimes and inherited lithospheric structure might lead to self‐sustaining subduction, we present an analysis of the Puysegur Trench, a young subduction zone with a rapidly...
A decade-long research collaboration has revealed that the split between Africa and North America roughly 200 million years ago was more drawn out than previously thought.
When continental rifting is accompanied by localized magmatism under extensional stress, the breakup duration can be short and the continent/ocean transition sharp, as mantle melts are thought to be efficient at heating and weakening the lithosphere. This mode of rifting has been invoked for the Eastern North American Margin (ENAM) based on the exi...
Solander Basin is currently characterised by subduction initiation at the Pacific‐Australia plate boundary, where high biological productivity is found at the northern edge of the Antarctic Circumpolar Current. Sedimentary architecture results from tectonic influences on accommodation space, sediment supply, and ocean currents (via physiography); a...
Faults and 45 Ma to Recent volcanic centers in the Turkana Depression of the East African Rift System (EARS) straddle the Ethiopian and Kenyan borders near the divergence of the Eastern and Western rift sectors. This ~ 300 km-wide region encompasses the earliest faulting and magmatism in the East African rift, and was created by spatial migration o...
