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Dr. Tom Sharp's "Deep focus earthquakes: How a little H2O changes everythin...
Thu, March 30, 2017, 7:30 PM – 8:30 PM MST
Join Arizona State University's School of Earth & Space Exploration for professor, Dr. Tom Sharp's upcoming New Discoveries lecture:
"Deep focus earthquakes: How a little H2O changes everything"
About the Speaker:
Dr. Thomas Sharp is a professor in the School of Earth and Space Exploration and director of the LeRoy Eyring Center for Solid State Science, a resource for materials characterization and high-resolution imaging at ASU. He is also the associate director of the Arizona Space Grant Consortium and runs the NASA/ASU Space Grant Program, which provides fellowships and scholarships to train the next generation of scientists and engineers. Dr. Sharp has been at ASU for more than 20 years, teaching primarily mineralogy, mineral physics and field geology. His research interests include: impacts and shock metamorphism in meteorites, high-pressure minerals and phase transformations in Earth's mantle and chemical weathering of rocks on Mars.
We live on a dynamic planet. While we know that H2O weakens silicate minerals and leads to plate tectonics, the role of H2O in the deep Earth is less well known. Similarly, deep-focus earthquakes, which occur between 300 and 700 km depth, have been explained by the mineral reactions in the cold cores of subducting oceanic plates. In this lecture, we’ll describe high-pressure experiments used to test this model of deep-focus earthquakes and the role of trace amounts of H2O in these reactions. We will show that a small amount of H2O in Earth's mantle has a dramatic effect on the dynamics of our planet.
What are my parking options?
The Marston Exploration Theater is located on the first floor of ASU's Interdisciplinary Science and Technology Building IV (ISTB 4), the home of the School of Earth and Space Exploration. ISTB 4 (map) is located near the intersection of Rural and Terrace Road in Tempe on the east side of campus. This seven-story structure is ASU’s largest research facility, and is accessible on foot via Orange Street and McAllister Ave. If arriving by Light Rail, exit at the University and Rural Road stop.
Parking is available inside the Rural Road parking structure just east of ISTB 4. From the parking structure, walk west and enter ISTB4 through the glass doors on the north side of the building. Please note that a parking fee is $3/hour and is charged upon exiting the parking structure. There is additional pay parking directly south of ISTB 4 available for $2/hour. There is an automated payment registration kiosk on the parking lot's west side (the corner near the building).
Do I need to arrive early?
Guests are recommended to show up by 6:30 p.m. to gain entry into the theater. At 7:15 p.m. any seats will be released to first come/first served at the door.
Where can I contact the organizer with any questions?
Contact the SESE Alumni & Events Coordinator, Stephanee Germaine at firstname.lastname@example.org