Curriculum Vitae

Dr. Julien ALLAZ

Born April 30^th, 1979 in Orbe (Switzerland). Swiss citizen.

Ph.D. Thesis at the University of Bern in the northern Lepontin Alps, under the direction of Prof. Martin ENGI. Metamorphic evolution in the northern Central Alps: Linking thermobarometry with ³⁹Ar-⁴⁰Ar dating (see thesis.geoloweb.ch).

University at Lausanne in Earth Sciences section, «Diplôme de Géologue» (M.Sc. equivalent) at the Institute of Mineralogy and Geochemistry (see larecc.geoloweb.ch).

Gymnasium in math-sciences section at «CESSNOV» (Yverdon), Federal maturity (A-level).

College in math-sciences section at «Chantemerle» school (Orbe).

Post-doctoral position at University of Massachusetts Amherst (USA), Department of Geosciences: monazite geochronology by EMP analysis on the CAMECA SX-100 UltraChron, relation with structural geology and petrology. Under supervision of Prof. Michael L. Williams and Dr. Michael J. Jercinovic.

See this page, more information to come soon on the present website.

Responsible ad interim for the electron microprobe, Institute of Geological Sciences, Berne.

Assistant at the mineralogy and petrology practices of 1st year.
Assistant during fieldworks of 1^st- to 2^rd-year students (mapping in Ivrea [Italy] and at Val Piora [TI]; metamorphism in Central Alps [TI-GR]).

Some pictures on photo.geoloweb.ch

Ph.D. Thesis at the institute of geology (University of Bern), in collaboration with Prof. Martin Engi, Alfons Berger and Igor Villa. Petrology, microprobe analysis, thermobarometry and ³⁹Ar-⁴⁰Ar geochronology on Bündnerschiefer from North Lepontine, between Nufenen and Lucomagno Pass.

See thesis.geoloweb.ch

Diploma thesis (UNIL; M.Sc. equivalent) at Alpe Larecc (Simano nappe, Campo Tencia area, Ticino, Suisse), structural and metamorphic study with mapping and thermobarometry, mineralogical and structural study of aluminosilicate-bearing tension gashes, completed by thermometry by oxygen isotope.

See larecc.geoloweb.ch

Julien Allaz, Martin Engi, Alfons Berger & Igor M. Villa (submitted): The role of retrograde reactions and of diffusion on ³⁹Ar-⁴⁰Ar ages of micas, Journal of Petrology.

Julien Allaz (2008): Metamorphic evolution in the northern Central Alps: linking ³⁹Ar-⁴⁰Ar dating with thermobarometry, Ph.D. Thesis, University of Berne, 208 pp. (PDF High quality - Low quality).

Emilie Janots, Martin Engi, Alfons Berger, Julien Allaz & Oliver Schwarz (2008): Metamorphic sequence of REE-minerals in pelitic rocks of the Central Alps: Implications on allanite - monazite - xenotime phase relations
Journal of Metamorphic Geology 26, 509-526. doi:10.1111/j.1525-1314.2008.00774.x

Julien Allaz, Xavier MAEDER, Jean-Claude VANNAY & Albrecht STECK (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 / 2-3, 191-214. (PDF).

Julien Allaz, Martin Engi, Emilie Janots, Alfons Berger & Igor M. Villa: Linking thermobarometry with ³⁹Ar-⁴⁰Ar and U-Th-Pb ages from the northern Central Alps: implications for Rb-Sr and K-Ar data.

Julien Allaz, Alfons Berger, Martin Engi & Igor M. Villa: Petrogenesis and geochronology of micas: a case study from Val Antabia (Central Alps, Switzerland).

Julien Allaz, Martin Engi, Emilie Janots, Alfons Berger & Igor Villa
Linking thermobarometry with ³⁹Ar-⁴⁰Ar and U-Th-Pb ages from the northern Central Alps: implications for Rb-Sr and K-Ar data
Swiss Geosciences Meeting, Lugano (Switzerland), Talk.

Julien Allaz, Emilie Janots, Martin Engi, Alfons Berger & Igor M. Villa
Understanding Tertiary metamorphic ages in the northern Central Alps
European Geosciences Union, Vienna (Austria), Talk.

Julien Allaz, Martin Engi, Alfons Berger & Igor M. Villa
Evolution du métamorphisme Tertiaire dans le Nord des Alpes Centrales
Journée de Géologie des Alpes, Lausanne (Switzerland), Talk.

Julien Allaz, Martin Engi, Alfons Berger & Igor M. Villa
Combining multi-equilibrium thermobarometry and Ar-Ar ages for micas: Results from the northern Lepontine Alps
Swiss Geosciences Meeting, Berne (Switzerland), Poster.

Julien Allaz, Martin Engi, Alfons Berger & Igor M. Villa
Dating metamorphic processes: combining phase equilibria and multichronometer geochronology
European Geosciences Union, Vienna (Austria), Talk.

Julien Allaz, Martin Engi, Alfons Berger & Igor M. Villa
Age constraints on metamorphism in the Bündnerschiefer of the North Pennine Alps: approach and first results
Swiss Geosciences Meeting, Lausanne (Switzerland), Poster.

Julien Allaz, Xavier Maeder & Jean-Claude Vannay
Tectono-metamorphic significance of aluminosilicates-bearing quartz veins in the Central Alps
Symposium Tektonik-, Struktur- und Kristallingeologie, Aachen (Germany), Talk.

- Member since 2009.

- Member since 2009.

- Member since 2001.

- Member since 2001.

- Passive Member since march 2003 ("Alumni").

- Active Member and Webmaster between 2001-2003.

- Manager of promotion and events (2001-2002).

- Vice-president (2000-2001).

- French (mother language).

- English (fluently spoken and written).

- German (fluently spoken and written).

- Electron microprobe: CAMECA SX-50, SX-100 and JEOL-8200 on Windows or Sun-UNIX system: calibration, standardization, quantitative analysis of major and trace elements, BSE/SE imaging, element mapping, data treatment, Excel macro "JEOL2xls" for normalization of mineral analysis. Monazite dating by analysis at the microprobe of U, Th and Pb (CAMECA SX-100 "UltraChron", Amherst, USA).

- SEM (Scanning Electron Microscope).

- ³⁹Ar-⁴⁰Ar stepwise heating technique: sample preparation, analysis, Excel macro "Ar2xls" for data treatment, communication program for data acquisition, and interpretation.

- Stable oxygen isotope analysis: in silicates (quartz, aluminosilicates, garnet), data acquisition and treatment (notably for oxygen thermometry).

- Mineral separation: vibration table, density liquid, magnet separator, hand-picking.

- X-ray diffraction: data acquisition and treatment.

- X-ray fluorescence analysis: sample preparation (major and trace elements).

- SEM: sample preparation (major and trace elements).

- OS: Windows (95-98-2000-ME-XP), Macintosh (OS 9-X), basis for use of Sun-UNIX.

- Office: Illustrator, Photoshop, InDesign, Word, PowerPoint, Excel, SigmaPlot, Grapher, Surfer...

- Geological software: TWQ, THERIAK-DOMINO, THERMOCALC (thermobarometry), Stéréonet and RockWorks (structural analysis), microprobe software (CAMECA and JEOL), VirtualWDS, MacDiff (XRD peak identification).

- Creation and maintenance of websites: with Dreamweaver, FrontPage or with programming language (HTML, PHP, CSS).

- Programming language: Visual Basic 6 (e.g. communication program for mass spectrometry) and Visual Basic for Application (e.g. macros for data treatment of mineral or ³⁹Ar-⁴⁰Ar analysis).

- Driving license (car, bus up to 9 places, Switzerland).

Prof. Martin ENGI
Institut für Geologie, Baltzerstrasse 1+3, Universität Bern, CH-3012 Bern, Switzerland
+41 (0) 31 631 84 97,

Prof. Dr. Igor Villa
Institut für Geologie, Baltzerstrasse 1+3, CH-3012 Bern, Switzerland
+41 (0) 31 631 87 77,

PD Dr. Alfons Berger
Institut for Geografi og Geologi, Øster Voldgade 10, DK-1350 København, Denmark
+45 35 32 24 39,

Prof. Emeritus Albrecht STECK
Inst. Minéralogie et Géochimie, Bâtiment Anthropôle, Université de Lausanne, CH-1015 Lausanne, Switzerland
+41 (0) 21 692 44 41,

PD Dr. Edwin Gnos
Conservateur, Museum Histoire Naturelle, Dép. Minéralogie et Pétrographie, CP 6434, 1211 Genève 6, Switzerland
+41 22 418 63 59,