
Professor of Geology
Education
Ph.D., Univ. California-Santa Barbara, 1995
B.A., Carleton College, 1984
M.Sc., University of Arizona 1987
Curriculum vitae
Research metrics: Scopus // Research Gate // Google Scholar // Academia
Media items: The Conversation // BBC Science news // Ars Technica // CC The Peak // Wikipedia
Current Projects and Federal Grants
Ice sheet erosional Interaction with Hot geotherm (ICI-Hot) in West Antarctica
Testing the linchpin for WAIS collapse using diatoms and IRD in Pleistocene and Late Pliocene strata of the Resolution Drift, Amundsen Sea, Antarctica
IODP 379, 2019-2021 Amundsen Sea – West Antarctic Ice Sheet History
Emplacement mechanism, paleoenvironment of formation, and lithification/fluid migration history of Neoproterozoic siliciclastics and injectites , Colorado Front Range
Recent Publications
Courtney-Davies, L., Flowers, R.M., Siddoway, C., Tasistro-Hart, A., and Macdonald, F., 2024, Hematite U-Pb Dating of Snowball Earth Meltwater Events, Proceedings of the National Academy of Science, 121 (47) doi: 10.1073/pnas.241075912 .
Cox, S.C., Smith Lyttle, B., Elkind, S., Siddoway, C., Morin, P., Capponi, G., Abu-Alam, T. and 22 others, 2023, A continent-wide detailed geological map dataset of Antarctica, Nature Scientific Data, 10, 250, doi: 10.1038/s41597-023-02152-9 .
Tankersley, M., Horgan, H., Siddoway, C., Caratori Tontini, F., and Tinto K., 2022, Basement topography and sediment thickness beneath Antarctica’s Ross Ice Shelf, Geophysical Research Letters, doi: 10.1029/2021GL097371 .
Tikoff, B., Siddoway, C., Sokoutis, D., and Willingshofer, E., 2022, The lithospheric folding model applied to the Bighorn uplift during the Laramide orogeny, in Craddock, J.P. et al., eds., Tectonic Evolution of the Sevier-Laramide Hinterland: Geol. Soc. America Special Paper 555.
Siddoway, C., 2020, Antarctica, in Elias, S. and Alderton, D. (eds.), Encyclopedia of Geology, 2nd edition; 17 pages. Amsterdam: Academic Press, doi.org/10.1016/B978-0-08-102908-4.00136-3.
Jordan, T.A., Riley, T.R. and Siddoway, C., 2020, Geology of West Antarctica, Nature Reviews Earth and Environment, doi:10.1038/s43017-019-0013-6.



Courses taught currently
GY140 Introduction to the Earth System
CC107 First-Year Seminar: Writing the Record of Earth
GY212 Investigating Earth as a Physical System
GY315 Rock Deformation and the Structure of Mountains
GY316 Field analysis of Geological Structures
GY345 Regional Studies in Geology [next taught Spring 2026]
GY400 Collaborative Research Seminar (contemporary problems, e.g. 2025: Colorado's geological record of Snowball Earth)
More on Teaching and Research Mentoring
Research Interests: Structural and metamorphic geology; tectonic development of West Antarctica and New Zealand within Gondwana; Rocky Mountains tectonics; the role of melt in deformation of migmatites; sandstone injectites.
Geological evolution of Antarctica
Cryogenian Sedimentary Rocks of Colorado
Siddoway family: Colorado College has another professor by the name of Siddoway, and you guessed it, the two of us are married. Mike teaches Mathematics. If you are seeking the Prof. Siddoway whose research is in divisibility theory of arithmetical rings, you can reach Mike’s professional web page here. To reach Mike, email him at msiddoway@coloradocollege.edu.
