Ian W. D. Dalziel
· Research ProfessorUniversity of Texas at Austin · University of Texas Institute for Geophysics
Active 1963–2025
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About
Ian W. D. Dalziel is a Sr. Research Scientist at the UT Institute for Geophysics. His research interests include Earth history, tectonics, and Antarctic geology. His work focuses on understanding the geological processes that shape our planet, with particular emphasis on tectonic activity and the geological history of Antarctica. As a senior scientist, he contributes to the institute's mission of understanding the Earth and other planets to solve key problems that affect us all, leveraging his expertise in geosciences to advance knowledge in these areas.
Research topics
- Computer Science
- Geology
- Physical geography
- Earth science
- Archaeology
- Seismology
- Geography
- Paleontology
Selected publications
Earth and Planetary Science Letters · 2020 · 25 citations
South Georgia microcontinent: Displaced fragment of the southernmost Andes
Earth-Science Reviews · 2021 · 24 citations
1st authorCorrespondingSeismicity and Pn Velocity Structure of Central West Antarctica
Geochemistry Geophysics Geosystems · 2021-01-15 · 18 citations
articleOpen accessAbstract We have located 117 previously undetected seismic events mainly occurring between 2015 and 2017 that originated from glacial, tectonic, and volcanic processes in central West Antarctica using data recorded on Polar Earth Observing Network (POLENET/ANET) and UK Antarctic Network (UKANET) seismic stations. The seismic events, with local magnitudes ( M L ) ranging from 1.1 to 3.5, are predominantly clustered in four geographic regions; the Ellsworth Mountains, Thwaites Glacier, Pine Island…
2021-01-29 · 11 citations
articleOpen accessThis atlas presents plate reconstructions from 500 Ma to the present-day derived by the PLATES Project, Institute for Geophysics, The University of Texas at Austin. The atlas was made possible through the scientific contributions of many researchers, from UTIG and from other institutions. Their efforts are highly appreciated by the members of the PLATES research team. The atlas was created using the PaleoGIS (paleogis.com) for ArcGIS plate reconstruction software by The Rothwell Group, L.P., and…
Shear Wave Splitting Across Antarctica: Implications for Upper Mantle Seismic Anisotropy
Journal of Geophysical Research Solid Earth · 2022-03-15 · 9 citations
articleAbstract We examine upper mantle anisotropy across the Antarctic continent using 102 new shear wave splitting measurements obtained from teleseismic SKS, SKKS, and PKS phases combined with 107 previously published results. For the new measurements, an eigenvalue technique is used to estimate the fast polarization direction and delay time for each phase arrival, and high‐quality measurements are stacked to determine the best‐fit splitting parameters at each seismic station. The ensemble of splitt…
Recent grants
NSF · $466k · 2007–2014
NSF · $352k · 1986–1989
NSF · $291k · 2013–2018
Frequent coauthors
- 37 shared
Lawrence A. Lawver
- 34 shared
R. Smalley
- 32 shared
T. J. Wilson
- 25 shared
Eric Kendrick
- 24 shared
Anne Grunow
The Ohio State University
- 24 shared
Douglas A. Wiens
Washington University in St. Louis
- 22 shared
Lisa M. Gahagan
- 21 shared
S. A. Konfal
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