Peer-reviewed publications

  1. J.M. Allaz, M.L. Williams, M.J. Jercinovic, K. Goemann, J. Donovan (in review). Multipoint Background Analysis: Gaining precision and accuracy in microprobe trace element analysis, Microscopy & Microanalysis
  2. C.R. Stern, J.M. Allaz, M.B. Raschke, G.L. Farmer, M.A. Skewes, J.T. Ross (2018). Formation by silicate–fluoride + phosphate melt immiscibility of REE-rich globular segregations within aplite dikes, Contributions to Mineralogy and Petrology 173:65. https://doi.org/10.1007/s00410-018-1497-7
  3. M.B. Raschke, E.J.D. Anderson, J. Van Fosson, J.M. Allaz, J.R. Smyth, R. Škoda, P.M. Persson, R. Becker (2018). Thalénite-(Y) from Golden Horn Batholith, Washington State, and comparison with new analyses from the White Cloud Pegmatite, Pikes Peak Batholith, Colorado, USA. Mineralogical Magazine. https://doi.org/10.1180/minmag.2017.081.044
  4. J. Milton, K.A. Hickey, S. Gleeson, H. Flack, J. Allaz (2017). In-situ monazite dating of sediment-hosted stratiform Cu mineralization in the Redstone copperbelt, Northwest Territories, Canada: Cupriferous fluid flow late in the evolution of a Neoproterozoic sedimentary basin. Economic Geology (2017) 112 (7): 1773-1806. https://doi.org/10.5382/econgeo.2017.4529
  5. K.E. Tello, R.D. Noebe, A. Garg, J. Allaz, M.J. Kaufman (2017). Revisiting the Ti-Pt System Relevant to High Temperature Shape Memory Alloys. Materials Characterization. https://doi.org/10.1016/j.matchar.2017.05.029
  6. L.A. Butcher, K. Mahan, J.M. Allaz (2017). Late Cretaceous to Paleocene crustal hydration in the Colorado Plateau, USA, from xenolith petrology and monazite geochronology. Lithosphere, https://doi.org/10.1130/L583.1
  7. L. Zhang, J.R. Smyth, J. Allaz, E. Ellison, T. Kawazoe, S.D. Jacobsen (2016). Transition Metals in the Transition Zone: Crystal Chemistry of Minor Element Substitution in Wadsleyite. American Mineralogist 101(10), 2322-2330. https://doi.org/10.2138/am-2016-5681
  8. M.B. Raschke, E.J.D. Anderson, J. Allaz, H. Friis, J.R. Smyth, R. Tschernich, R. Becker (2016). Crystal chemistry of brannockite, KLi3Sn2Si12O30, from a new occurrence in the Golden Horn Batholith, Washington State, USA. European Journal of Mineralogy 28(1), 153-161. https://doi.org/10.1127/ejm/2015/0027-2477
  9. J. Allaz, M.B. Raschke, P.M. Persson, C.R. Stern (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(10), 2123–2140. https://doi.org/10.2138/am-2015-5253
  10. J. Allaz, M.J. Jercinovic, M.L. Williams, J.J. Donovan (2014). Trace Element Analyses by EMP: Pb-in-Monazite and New Multipoint Background Method. Microscopy and Microanalysis, 20(S3), 720–721. https://doi.org/10.1017/S1431927614005327
  11. R. Macaluso, M. Shatruk, P. Chai, H. Hong, C. Wangeline, K. Ryan, P. Holton, J. Allaz, G. Morrison, B. Fulfer, F. Fronczek, J. Chan (2014). Synthesis, Structure, and Magnetic Behavior of (LaxCe1-x)1.33Pt4Ga10 (0 ≤ x ≤ 1). Journal of Alloys and Compounds, 600, 193-198. https://dx.doi.org/10.1016/j.jallcom.2014.02.095
  12. S.A. Morse, J. Allaz (2013). Experimental partitioning of Sr and Ba in Kiglapait feldspars, American Mineralogist 98(11-12), 2197-2200. https://dx.doi.org/10.2138/am.2013.4630
     Addendum in v. 99(2-3): https://dx.doi.org/10.2138/am.2014.641
  13. J. Allaz, B. Selleck, M.L. Williams, M.J. Jercinovic (2013). Microprobe analysis and dating of monazite from the Potsdam Formation, NY: A progressive record of chemical reaction and fluid interaction. American Mineralogist 98(7), 1106-1119. https://dx.doi.org/10.2138/am.2013.4304
  14. K.H. Mahan, J.M. Allaz, B.B. Graham, N.M. Kelly (2013). Proterozoic metamorphism and deformation in the northern Colorado Front Range, GSA Field Guides 33, 185-204, https://doi.org/10.1130/2013.0033(06)
  15. M. J. Jercinovic, M.L. Williams, J. Allaz, J.J. Donovan (2012). Trace Analysis in EPMA. IOP Conf. Series: Materials Science and Engineering 32, 1-22. https://doi.org/10.1088/1757-899X/32/1/012012
  16. J. Allaz, M. Engi, A. Berger, I. M. Villa (2011). The effects of retrograde reactions and of diffusion on 40Ar-39Ar ages of micas. Journal of Petrology, 52(4), 691-716. https://doi.org/10.1093/petrology/egq100
  17. E. Janots, M. Engi, A. Berger, J. Allaz, O. 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. https://doi.org/10.1111/j.1525-1314.2008.00774.x
  18. J. Allaz, X. Maeder, J.-C. Vannay, A. 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. https://doi.org/10.5169/SEALS-1660

Short papers

  1. J.M. Allaz (2017). Testing a New Electron Microprobe and Developing New Analytical Protocols, Proceedings of Microscopy & Microanalysis 23 (S1), 1052-1053. https://doi.org/10.1017/S143192761700592X
  2. O.K. Neill, A. von der Handt, J.M. Allaz (2017). Focused Interest Group on Microanalytical Standards (FIGMAS): An Update, Proceedings of Microscopy & Microanalysis 23 (S1), 522-523. https://doi.org/10.1017/S1431927617003294
  3. A. von der Handt, J.M. Allaz, O.K. Neill (2016). Microanalytical Standards, Reference and Research Materials: Continuing the Effort toward Breaking the Accuracy Barrier, Proceedings of Microscopy & Microanalysis 22 (S3), 424-425. https://doi.org/10.1017/S143192761600297X
  4. J.M. Allaz, O.K. Neill, A. von der Handt (2015). Focused Interest Group on Microanalytical Standards (FIGMAS): Assessing the Quality, Availability and Need for Standards in the Microanalytical Community, Proceedings of Microscopy & Microanalysis 21 (S3), 2019-2020. https://doi.org/10.1017/S1431927615010879
  5. J. Allaz, M.J. Jercinovic, M.L. Williams, J. Donovan (2014), Trace Element Analyses by EMP: Pb-in-Monazite and New Multipoint Background Method, Proceedings of Microscopy & Microanalysis 20 (S3), 720-721. https://doi.org/10.1017/S1431927614005327
  6. J. Allaz (2013), De-MA: A Web Database For Electron Microprobe Analyses To Assist Electron Microprobe Lab Manager and Users, Proceedings of Microscopy & Microanalysis 19 (S2), 816-817. https://doi.org/10.1017/S1431927613006077
  7. M. Jercinovic, M. Williams, J. Allaz, J. Donovan (2011). Addressing Accurate Trace Element Analysis at High Spatial Resolution in EPMA, Proceedings of Microscopy & Microanalysis 17 (S2), 576-577. https://doi.org/10.1017/S1431927611003758

Professional meetings

  1. 05.2017  J. Allaz, Focused interest group on microanalytical standards (FIGMAS): assessing the quality, availability and need for standards in the microanalytical community, EMAS conference, Konstanz (Germany), poster.
  2. 09.2016  J.M. Allaz, C.R. Stern, M.B. Raschke, On the use of electron microprobe for accurate and precise analysis of REE-minerals, GSA annual meeting, Denver (CO), talk.
  3. 10.2015  J. Allaz, C. Pritekel, C.B. Condit, D. Rattanasith, K.H. Mahan, N.M. Kelly, G.B. Baird, Pressure-temperature and temporal constraints on regional metamorphism near Big Thompson Canyon, Colorado, USA, GSA annual meeting, Baltimore (MD), talk.
  4. 05.2015  J. Allaz, C. Pritekel, C.B. Condit, D. Rattanasith, K.H. Mahan, N.M. Kelly, G.B. Baird, Investigating the P-T conditions and temporal constraints on regional metamorphism near Big Thompson Canyon, Colorado, USA, Rocky Mountain GSA meeting, Casper (WY), Poster.
  5. 12.2014  J. Allaz, M.J. Jercinovic, M.L. Williams, J. Donovan, Gaining precision and accuracy on microprobe trace element analysis with the multipoint background method, AGU fall meeting, San Francisco (CA), invited talk.
  6. 10.2013  J. Allaz, C. Stern, P.M. Persson, M.B. Raschke, Proterozoic fluorbritholite-bearing REE-rich hydrothermal pods and veins from near Jamestown, Colorado, GSA 125th annual meeting, Denver (CO), talk.
  7. 05.2013  C. Stern, J. Allaz, M.B. Raschke, S. Cortes, P.M. Persson, Proterozoic fluorbritholite-bearing REE­rich hydrothermal veins from near Jamestown, Colorado, Rocky Mountain GSA meeting, Gunnison (CO), talk.
  8. 12.2012  J. Allaz, De–MA: a web Database for electron Microprobe Analyses to assist EMP lab manager and users, AGU Fall meeting 2012, poster.
  9. 03.2012  J. Allaz, B. Selleck, M.L. Williams, M.J. Jercinovic, Dating fluid migration events through microprobe dating of detrital monazite from the Potsdam Formation, NY, NE-GSA annual meeting, Hartford (CT), talk.
  10. 12.2011  J. Allaz, B. Selleck, M.L. Williams, and M.J. Jercinovic, Challenging EPMA trace element analysis in monazite: example from low-Th authigenic monazite, AGU annual meeting, San Francisco, Poster.
  11. 10.2011  J. Allaz, B. Selleck, M.L. Williams and M.J. Jercinovic, Dating fluid migration events through microprobe dating of detrital monazite from the Potsdam Formation, NY, GSA annual meeting, Minneapolis, Talk.
  12. 05.2011  J. Allaz, M.L. Williams, M.J. Jercinovic, J. Donovan, A new technique for electron microprobe trace element analysis: the multipoint background method, EMAS conference, Angers (France), poster.
  13. 12.2010  J. Allaz, M.L. Williams, M.J. Jercinovic, Relating Major Silicates and Monazite Growth in Metamorphic Rocks: Application to the Upper Granite Gorge (Grand Canyon, USA), AGU Fall meeting 2010, poster.
  14. 06.2010  J. Allaz, M. Engi, A. Berger, I.M. Villa, The role of retrograde reactions and of diffusion on 40Ar-39Ar mica ages, Goldschmidt conference, Knoxville (TN), talk.
  15. 05.2010  J. Allaz, M.L. Williams, M.J. Jercinovic, An Approach to Relate Major Silicates and Monazite Growth in Metamorphic Rocks: Application to the Upper Granite Gorge (Grand Canyon, USA), GeoCanada meeting 2010, Calgary (Canada), talk.
  16. 12.2009  J. Allaz, M. Engi, E. Janots, A. Berger, I.M. Villa, Monazite and allanite U-Th-Pb vs 39Ar-40Ar in equilibrated metasediments: closure behaviour and closure temperature, AGU Fall meeting 2009, poster.
  17. 11.2008  J. Allaz, M. Engi, E. Janots, A. Berger, I.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, Swiss Geosciences meeting, Lugano (Switzerland), talk.
  18. 04.2007  J. Allaz, E. Janots, M. Engi, A.Berger, I.M. Villa, Understanding Tertiary metamorphic ages in the northern Central Alps, EGU meeting, Vienna (Austria), talk.
  19. 04.2006  J. Allaz, M. Engi, A. Berger, I.M. Villa, Dating metamorphic processes: combining phase equilibria and multichronometer geochronology, EGU meeting, Vienna (Austria), talk.
  20. 11.2004  J. Allaz, M. Engi, A. Berger and I.M. Villa, Age constraints on metamorphism in the Bündnerschiefer of the North Pennine Alps: approach and first results, Swiss Geosciences Meeting, Lausanne (Switzerland), Poster.
  21. 04.2004  J. Allaz, X. Maeder, J.-C. Vannay, Tectono-metamorphic significance of aluminosilicates-bearing quartz veins in the Central Alps, Symposium Tektonik-, Struktur- und Kristallingeologie, Aachen (Germany), talk.

Invited talk (no abstract)

  1. 05.2016  - J. Allaz, P.K. Carpenter, EPMA Quality Control II: Reproducibility, Precision-Accuracy, EDS, & Imaging
      - J. Allaz, M.J. Jercinovic, General approach for precise and accurate trace element analyses by EPMA
     MAS Electron-Probe Microanalysis Topical Conference, University of Madison (WI), talk.
  2. 11.2012  J. Allaz, Electron microprobe microanalysis: What, why and for whom?, Colorado School of Mines (Golden, CO).
  3. 09.2012  J. Allaz, The interpretation of monazite ages in metamorphic rocks: case studies in low- & high-grade rocks, University of Northern Colorado (Greeley, CO).
  4. 09.2012  J. Allaz, Electron microprobe microanalysis: What, why and for whom?, University of Colorado, (Engineering department, Boulder, CO).
  5. 06.2012  J. Allaz, M.J. Jercinovic, M.L. Williams, B. Selleck, S.A. Morse, J. Donovan, Two examples of challenging trace element analyses: Pb in low-actinide monazite, and Sr-Ba-Ti in glass and plagioclase, CAMECA annual user meeting, Madison (WI).
  6. 06.2012  J.J. Donovan, J. Allaz, Probe for EPMA & Probe Image: a software suite designed by EPMA users for EPMA users, Cameca annual user meeting, Madison (WI).
  7. 11.2008  J. Allaz, M. Engi, A. Berger and I.M. Villa, Metamorphic evolution in the northern Central Alps: Linking 39Ar-40Ar dating with thermobarometry, ETH Zürich (Switzerland).
  8. 02.2007  J. Allaz, M. Engi, A. Berger and I.M. Villa, Evolution du métamorphisme Tertiaire dans le Nord des Alpes Centrales, Journée de Géologie des Alpes, Université de Lausanne (Switzerland).