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Dr Julia Semprich

Profile summary

Professional biography

I have joined AstrobiologyOU as a Research Fellow in 2020. 

Prior to that I was a postdoctoral research fellow at the Lunar and Planetary Institute in Houston, USA modelling fluid-rock interactions on Mars and Venus and at the University of Campinas, Brazil, studying melting processes and granitoid formation in the Archean crust. I completed my PhD in Geosciences at th University of Oslo, Norway, modelling density variations in the lower crust and assessing their implications for geodynamic processes.

 

Research interests

My research covers a range of crustal processes on Earth and other planetary bodies in our Solar system from surface gas-rock interactions on Venus to understanding rock properties of deep crustal rocks and melting processes. Modeling the interaction of fluids with rock compositions in various environments such as in the subsurface of Mars or on Icy Moons is of special interest to explore the possibilities for habitable environments in our Solar System and is therefore my main focus within AstrobiologyOU. 

Publications

Venus: A phase equilibria approach to model surface alteration as a function of rock composition, oxygen- and sulfur fugacities (2020)
Semprich, Julia; Filiberto, Justin and Treiman, Allan H.
Icarus, 346, Article 113779


High‐pressure metamorphic mineralogy of the Martian crust with implications for density and seismic profiles (2020)
Semprich, Julia and Filiberto, Justin
Meteoritics & Planetary Science ((Early access))


Mesoarchaean (2820 Ma) high-pressure mafic granulite at Uauá, São Francisco Craton, Brazil, and its potential significance for the assembly of Archaean supercratons (2019-09-01)
Oliveira, Elson P.; Talavera, Cristina; Windley, Brian F.; Zhao, Lei; Semprich, Julia J.; McNaughton, Neal J.; Amaral, Wagner S.; Sombini, Gabriel; Navarro, Margareth and Silva, Dailto
Precambrian Research, 331, Article 105366


Phase Equilibria Modeling of Low-grade Metamorphic Martian Rocks (2019-03)
Semprich, J.; Schwenzer, S. P.; Treiman, A. H. and Filiberto, J.
Journal of Geophysical Research: Planets, 124(3) (pp. 681-702)


Geochronological and geochemical evidences for extension-related Neoarchean granitoids in the southern São Francisco Craton, Brazil (2017-06)
Moreno, J.A.; Baldim, M.R.; Semprich, J.; Oliveira, E.P.; Verma, S. and Teixeira, W.
Precambrian Research, 294 (pp. 322-343)


Phase equilibria and trace element modeling of Archean sanukitoid melts (2015-10)
Semprich, Julia; Moreno, Juan Antonio and Oliveira, Elson Paiva
Precambrian Research, 269 (pp. 122-138)


Geophysical-petrological modeling of the lithosphere beneath the Cantabrian Mountains and the North-Iberian margin: geodynamic implications (2015-08-01)
Pedreira, David; Afonso, Juan Carlos; Pulgar, Javier A.; Gallastegui, Jorge; Carballo, Alberto; Fernàndez, Manel; Garcia-Castellanos, Daniel; Jiménez-Munt, Ivone; Semprich, Julia and García-Moreno, Olga
Lithos, 230 (pp. 46-68)


Effect of small-scale heterogeneities on interpretation of crustal compositions exemplified by a layered anorthosite (2015-02)
Semprich, J. and Vrijmoed, J.C.
Lithos, 216-217 (pp. 298-314)


Inhibited eclogitization and consequences for geophysical rock properties and delamination models: Constraints from cratonic lower crustal xenoliths (2014-03)
Semprich, J. and Simon, N.S.C.
Gondwana Research, 25(2) (pp. 668-684)


Density variations in the thickened crust as a function of pressure, temperature, and composition (2010-10)
Semprich, Julia; Simon, Nina S. C. and Podladchikov, Yuri Yu.
International Journal of Earth Sciences, 99(7) (pp. 1487-1510)


The Archaean Karelia and Belomorian Provinces, Fennoscandian Shield (2014)
Hölttä, Pentti; Heilimo, Esa; Huhma, Hannu; Kontinen, Asko; Mertanen, Satu; Mikkola, Perttu; Paavola, Jorma; Peltonen, Petri; Semprich, Julia; Slabunov, Alexander and Sorjonen-Ward, Peter
In: Dilek, Y and Furnes, H eds. Evolution of Archean Crust and Early Life (pp. 55-102)
Publisher : Springer | Published : Dordrecht