[Eoas-seminar] Fw: EOAS colloquium this Friday, Oct. 16, 2026 at 3:00 PM

[eoas-seminar at lists.fsu.edu]

Hi all,

This is a friendly reminder that we have an EOAS colloquium today. The colloquium information is as forwarded.

Cheers,

Zhaohua


________________________________
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Sent: Monday, October 12, 2026 2:36 PM
To: eoas-seminar--- via Eoas-seminar <eoas-seminar at lists.fsu.edu>
Subject: [Eoas-seminar] EOAS colloquium this Friday, Oct. 16, 2026 at 3:00 PM


Hi all,

I am happy to announce that we will have an EOAS colloquium this Friday, Oct. 16, 2026. This week's colloquium speaker will be Prof. Emily Stewart of EOAS, Florida State University. The following is the information about the colloquium:

Speaker: Prof. Emily Stewart, EOAS, Florida State University

Title: Lithospheres and atmospheres on Earth and beyond: how metamorphism links planetary interiors with (un)inhabitable environments

Abstract:

Geologic volatile cycling is fundamental to the past and future habitability of our planet. The elements carbon and sulfur in particular play essential roles in the regulation of global surface temperature. Carbon in the form of CO2 acts as a greenhouse gas, insulating and warming the planet, while sulfur in the form of aerosols (e.g., SO2) contributes to cloud formation and global cooling. Geologic processes control and moderate global climate on long timescales (millions of years); yet, on shorter timescales (tens of thousands of years), solid Earth carbon and/or sulfur release may drive environmental catastrophe and mass extinction

We will explore a few aspects of this cycle from the perspective of a metamorphic petrologist. Rock metamorphism is an often-neglected part of the geologic volatile cycling, but I will argue that it may be of paramount importance to our planetary habitability. Drawing examples from Ancient mountain-building and Mesozoic mass extinction, an observation-driven approach is used to quantify some of these interactions. Finally, we will explore volatile cycling at coronae on Venus and consider implications for the evolution of its deep mantle and surface environment.


Time: 3:00 PM, Friday, Oct. 16, 2026

Location: EOA 1044

Contact: Prof. Zhaohua Wu (zwu at fsu.edu<mailto:mye at fsu.edu>)

A flyer for the colloquium is also attached.



***************************************************************

Zhaohua Wu, Professor

Earth, Ocean, and Atmospheric Science Building, Room 6041, and

Center for Ocean-Atmospheric Prediction Studies, Room 295

Florida State University

Tallahassee, Florida

zwu at fsu.edu<mailto:zwu at fsu.edu>

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