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  • Dr. Tyler Perez

Tyler
PerezHe/His

Tyler Perez joined Carnegie this January 2024 from Johns Hopkins University, where he earned his Ph.D. in Earth and Planetary Sciences. Perez's area of expertise is developing new laser compression techniques to measure transport quantities of geomaterials at high pressures and temperatures. He has created a technique that can measure the viscosity of solid materials at high pressures using laser compression and velocimetry by tracking the time evolution of rippled shocks and Richtmyer-Meshkov instabilities. He has also begun experiments using this technique on MgO at CMB pressures. In addition, Perez has helped develop a laser compression technique to measure the thermal conductivity of iron by analyzing a thermal pulse traveling through the sample.

While at Carnegie, Perez plans to continue refining this technique to constrain confounding variables and improve the finite element model he developed for the analysis. He intends to compare the results and analysis process to the DAC-based technique invented by Carnegie's own Staff Scientist, Alexander Goncharov.

Tyler Perez

Carnegie Postdoctoral Fellow
Washington, DC

  • Earth & Planets Laboratory
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Abstract
The 2021 La Palma eruption provided an unpreceded opportunity to test the relationship between earthquake hypocenters and the location of magma reservoirs. We performed density measurements on CO2-rich fluid in-clusions (FIs) hosted in olivine crystals that are highly sensitive to pressure via calibrated Raman spectroscopy. This technique can revolutionize our knowledge of magma storage and transport during an ongoing eruption, given that it can produce precise magma storage depth constraints in near real time with minimal sample prep-aration. Our FIs have CO2 recorded densities from 0.73 to 0.98 g/cm3, translating into depths of 15 to 27 km, which falls within the reported deep seismic zone recording the main melt storage reservoir.
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Abstract
Context. Galaxy-wide outflows driven by star formation and/or an active galactic nucleus (AGN) are thought to play a crucial rule in the evolution of galaxies and the metal enrichment of the inter-galactic medium. Direct measurements of these processes are still scarce and new observations are needed to reveal the nature of outflows in the majority of the galaxy population.
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