Events
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JSG | BEG | UTIG | EPS |
GEHA Meeting
Start:December 1, 2016
End:
December 1, 2016
Contact:
Jenisha Patel, jenishapatel@utexas.edu
Meeting 4
De Ford Lecture Series: Timothy A. Goudge
Start:December 1, 2016 at 4:00 pm
End:
December 1, 2016 at 5:00 pm
Location:
JGB2.324
UTIG Seminar Series: UTIG Graduate Student Presentations
Start:December 2, 2016 at 10:30 am
End:
December 2, 2016 at 11:30 am
Location:
PRC ROC Room 1.603
Contact:
Krista Soderlund, krista@ig.utexas.edu, 218-349-3006
View Event
Benjamin Wagman:
A perturbed physics climate model ensemble for investigating equilibrium climate sensitivity
Daniel Lalich:
Using Ground Penetrating Radar to Read the Climate Record in the Martian North Polar Layered Deposits
Eric Petersen:
New constraints on surface debris layer composition for Martian glaciers
iPGST: Jon Major, UT Austin
Start:December 7, 2016 at 12:00 pm
End:
December 7, 2016 at 1:00 pm
Location:
JGB 3.222
Contact:
Emily H.G. Cooperdock, emilyhgoldstein@utexas.edu
Informal Petrology, Geochemistry, Structure and Tectonics Seminar
UTIG Special Seminar: Tom Jordan, British Antarctic Survey
Start:December 9, 2016 at 10:30 am
End:
December 9, 2016 at 11:30 am
Location:
PRC ROC Room 1.603
Contact:
Ian Dalziel, ian@ig.utexas.edu, 512-471-0431
View Event
Mapping the hidden mosaic of Antarctica; From microplate movement to continental assembly
Due to the blanketing ice sheet and remote location Antarctic is one of the least explored and poorly understood regions on our planet. The key geological division of Antarctica is between an ancient East Antarctica craton, once at the heart of the Gondwanan supercontinent, and the collage of fragments making up the tectonically more active West Antarctic province. Within West Antarctica geological studies suggest that as a pre-cursor to the breakup of Gondwana one of these fragments, the Haag Ellsworth Whitmore Mountains block, was translated 1500 km and rotated through 90° from a position between East Antarctica and South Africa. Geophysical data has been used to challenge this notion, and suggest little or no block motion. Here we use new regional compilations and analysis of magnetic and gravity data to discuss the feasibility and implications of an alternative tectonic model with significant (500 km) movement, but limited (30°) block rotation. In contrast to West Antarctica the East Antarctic craton has been seen as a monolithic block, split by simple linear geological boundaries extrapolated from sparse coastal outcrops. However, the most up to date geophysical data from the PolarGAP survey around the South Pole supports an alternative view that East Antarctica is also a composite structure, with a complex of sutures and boundaries resulting from continental assembly, which continue to influence the sub-ice topography to this day.
Alumni Reception in San Francisco in conjunction with AGU Meeting
Start:December 14, 2016 at 12:00 pm
End:
December 14, 2016 at 2:00 am
Location:
ThristyBear Brewing Company, 661 Howard St. in San Francisco
Contact:
Kristen Tucek, ktucek@jsg.utexas.edu, 512.471.2223
UTIG Seminar Series: Cornelia Rasmussen, UTIGApril, 26 2024Time: 10:30 AM - 11:30 AMLocation: PRC 196/ROC 1.603 Speaker: Cornelia Rasmussen, Research Associate, University of Texas Institute for Geophysics Host: Krista Soderlund Title: The Emerging Field Of Position-Specific Isotope Analysis: Applications in chemical forensics, exobiology, geo- and environmental sciences Abstract: Complex organics can be found all over our solar system and within each living thing on our planet, be it as part of its physiology or as a contaminant. However, different processes can lead to the formation of chemical identical molecules. This makes answering a number of scientific questions challenging. One example is distinguishing between biotic and abiotic molecules, hence hindering life detection on early Earth but especially on other planetary bodies, such as on Mars, Titan, Enceladus and on meteorites where organics have been detected. Moreover, tracing molecules as they move through the environment can be demanding, yet is essential in studying the flow of organic molecules as well as correlating pollutants with their source. Novel tools to address these challenges are currently being developed. Especially, the emerging field of position-specific isotope analysis is beginning to grant access to the unique intramolecular carbon (13C/12C) isotope fingerprint preserved in complex molecules. This fingerprint can be applied in various scientific disciplines, ranging from forensics to exobiology, geo- and environmental sciences, including geo health. Nuclear magnetic resonance spectroscopy (NMR) has the potential to become a key player in this research area, as it allows the analysis of organics within complex mixtures, all without the need to fragment the molecule into single carbon units or the combustion of the molecule of interest. We have been developing several NMR tools that allow us to investigate the intramolecular carbon isotope distribution within various molecule classes and to test the central hypothesis that the position-specific carbon isotope distribution within complex organics depends on a molecule’s source and formation history. |
Planetary Habitability Seminar SeriesApril, 29 2024Time: 1:00 PM - 2:00 PMLocation: PMA 15.216B UT Center for Planetary Systems Habitability Seminar Series. See website for speaker schedule and more details: View Events Join remotely: https://utexas.zoom.us/j/94052130734 In person: Classroom 15.216B, Physics, Math and Astronomy Bldg. UT Austin, Department of Astronomy 2515 Speedway, Stop C1400 Austin, Texas 78712-1205 |
UTIG Discussion Hour: Kristian Chan - PhD Talk (UTIG)April, 30 2024Time: 2:00 PM - 3:00 PMLocation: ROC 2.201 |