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Full-Text Articles in Physical Sciences and Mathematics
Updating The Outdated Apollo Mission Lunar Impactite Classifications, Marc Mechem
Updating The Outdated Apollo Mission Lunar Impactite Classifications, Marc Mechem
Undergraduate Student Research Internships Conference
NASA's Apollo program had six manned missions that successfully landed on the Moon, in which all returned with lunar material. Included in this lunar material were lunar impactites, being described as lunar rocks that have been affected by one or more impact events. These samples were classified about 50 years ago and have not been updated since, despite our knowledge regarding both terrestrial and lunar impactites having grown. This study aims to suggest updated classifications for the 43 total Apollo mission lunar impactite samples the University of Western has currently in their possession. This study could help develop future lunar …
Analysis Of Aftershock Parameters For The Alaskan Subduction Zone Tectonic Region, Gabrielle M. Paris (They/Them), Richard C. Hugo, Andrew J. Michael
Analysis Of Aftershock Parameters For The Alaskan Subduction Zone Tectonic Region, Gabrielle M. Paris (They/Them), Richard C. Hugo, Andrew J. Michael
Student Research Symposium
On 29 July 2021, a magnitude 8.2 earthquake was felt by over 200 people near Perryville, Alaska. The early aftershock forecasts issued by the USGS use default parameters based on expected productivity within a given tectonic region. These forecasts predicted a slower decrease in aftershock activity than what was observed. Even after the USGS adjusted the aftershock forecast parameters, the forecasts did not improve in the long term. Accurate aftershock predictions are important for maintaining public confidence in disaster alert systems. The question I want to explore is: are the generic parameters used in aftershock forecasting accurately describing the observed …
*Interactive Earthquake Visualization With Open Data, Matous Hybl
*Interactive Earthquake Visualization With Open Data, Matous Hybl
Campus Research Day
Because earthquakes claim thousands of lives and billions of dollars yearly, there is a great need to recognize patterns in seismic data. While some tools for analysis exist, most geological software is expensive and open earthquake visualizations are limited. In this project, we provide accessible earthquake visualizations aimed to encourage geologists, and science enthusiasts in general, to explore open data using accessible, yet powerful, tools.
Detecting Climate Change In Trilobite Time, Michelle Norman
Detecting Climate Change In Trilobite Time, Michelle Norman
Student Research Symposium
Trilobites are a signature marine fossil of the Cambrian explosion, which took place about 500 Ma (million years ago). By studying these fossiliferous rocks (limestone), we can get an understanding of ecological and environmental change. In fact, we can detect the ancient carbon cycle by measuring stable carbon isotopes in these limestone samples. By studying the carbon environment the trilobites lived in and which trilobite species evolve or go extinct, we can learn more about ancient climate events and constrain them to a certain period of time based off the age of radioactive zircons we find in sandy material around …
Isotopic Analysis Of Hydrous Phenocrysts In Lava Flows Of The Peruvian Altiplano Plateau: Testing For A Subduction Signature, Alyssa Schiwal
Isotopic Analysis Of Hydrous Phenocrysts In Lava Flows Of The Peruvian Altiplano Plateau: Testing For A Subduction Signature, Alyssa Schiwal
Student Research Symposium
The process of flat-slab subduction introduces fluids directly into the overlaying lithosphere, leaving behind a unique stable isotope and trace element signature to the surrounding crust/mantle. Fluid alteration of the deep lithosphere can help explain geologic processes that are observed at the surface, such as patterns of crustal deformation (mountain building) and volcanism. The young high-K mafic volcanic rocks found in the Altiplano region of Southern Peru are derived from the melting of an altered mantle source. By analyzing the hydrogen stable isotopes as well as the trace elements of these volcanic rocks we can locate the water source associated …