Julien Allaz

Dr. Julien Allaz
Institut für Geochemie und Petrologie (IGP)
ETH Zürich
Clausiusstrasse 25, NW
CH-8092 Zürich

Phone: +41 (0) 44 632 37 20
Phone2: +41 (0) 44 632 37 79
Fax: +41 (0) 44 632 16 36
E-mail: julien.allaz(at)erdw.ethz.ch
URL Institution: www.geopetro.ethz.ch
Personal URL: link

Key Publications of Julien Allaz (up to ten) :
Allaz, J. M., Jercinovic, M. J. & Williams, M. L. (accepted), U-Th-Pb(total) dating of REE-phosphate by electron microprobe: review and progress, EMAS meeting 2019 (Trondheim, Norway), invited paper to be published in IOP Conference Series: Materials Science and Engineering.

Allaz, J. M., Williams, M. L., Jercinovic, M. J., Goemann, K. & Donovan, J. (2019). Multipoint Background Analysis: Gaining precision and accuracy in microprobe trace element analysis. Microscopy and Microanalysis 1–17.

Stern, C. R., Allaz, J. M., Raschke, M. B., Farmer, G. L., Skewes, M. A. & Ross, J. T. (2018). Formation by silicate–fluoride + phosphate melt immiscibility of REE-rich globular segregations within aplite dikes. Contributions to Mineralogy and Petrology. Springer Berlin Heidelberg 173, 65.

Allaz, J., Raschke, M. B., Persson, P. M. & Stern, C. R. (2015). Age, petrochemistry, and origin of a REE-rich mineralization in the Longs Peak-St. Vrain batholith, near Jamestown, Colorado (U.S.A.). American Mineralogist 100, 2123–2140.

Morse, S. A. & Allaz, J. (2013). Experimental partitioning of Sr and Ba in Kiglapait feldspars. American Mineralogist 98, 2197–2200.

Allaz, J., Selleck, B., Williams, M. L. & Jercinovic, M. J. (2013). Microprobe analysis and dating of monazite from the Potsdam Formation, New York: A progressive record of chemical reaction and fluid interaction. American Mineralogist 98, 1106–1119.

Jercinovic, M. J., Williams, M. L., Allaz, J. & Donovan, J. J. (2012). Trace analysis in EPMA. IOP Conference Series: Materials Science and Engineering 32, 1–22.

Allaz, J., Engi, M., Berger, A. & Villa, I. M. (2011). The effects of retrograde reactions and of diffusion on 40Ar-39Ar ages of micas. Journal of Petrology 52, 691–716.

Janots, E., Engi, M., Berger, A., Allaz, J., Schwarz, J.-O. & Spandler, C. (2008). Prograde metamorphic sequence of REE minerals in pelitic rocks of the Central Alps; implications for allanite-monazite-xenotime phase relations from 250 to 610 degrees C. Journal of Metamorphic Geology 26, 509–526.

Allaz, J., Maeder, X., Vannay, J.-C. J. & Steck, A. (2005). Formation of aluminosilicate-bearing quartz veins in the Simano nappe (Central Alps): structural, thermobarometric and oxygen isotope constraints. Schweizerische Mineralogische Und Petrographische Mitteilungen 85, 191–214.

Expertise of Julien Allaz:
Expertise CategorySpecific Expertise
Expert TypeExpert Type
Scientific / Fundamental Research
Topic LithosphereLithosphere
Geochemical Processes
Sediments: Formation, Dynamics, Metamorphism
Magmatic Rocks: Formation, Metamorphism
Topic Economy/ResourceUseEconomy / Resource Use
Topic TechnologyTechnology
Time FrameTime Frame
Past: Quarternary
Past: Tertiary
Past: Cretaceous
Past: Jurassic
Past: Triassic
Past: Palaeozoic
Past: Precambrian
Time Scale100 kyr
Billenial (Mio yrs)
Data Collection
Data Collection - Measurement
Data Collection - Documents, Archives
Data Analysis
Literature Study
GeoForum General-TechnologyTechnologies, Engineering, Physics
GeoForum Geo-TechnologyCartography

Specialties of Julien Allaz:
REE mineral, Pegmatite, Geochemistry, Electron microprobe, Mineralogy, Structural geology, Geological mapping, Metamorphic and Magmatic Petrology, Geochronology (monazite/xenotime U-Th-Pb by EPMA, Ar-Ar on micas), Thermobarometry, Field work.

Last update: 11/10/19
Source of data: ProClim- Research InfoSystem (1993-2020)

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