William Keyser

Image of William Keyser
Norwegian version of this page
Phone +47 96718518
Visiting address Sars gate 1 0562 Oslo
Postal address Postboks 1172, Blindern 0318 Oslo
Other affiliations The International Summer School (Student)

Academic interests

  • My research interests focus on mineral characterization using holistic approaches (petrology, mineralogy, geochemistry, geochronology) to understand ore genesis related to pegmatite, BIF and IOCG deposits and orogenic processes.


  • 2020-Present: Postdoctoral Fellow, Natural History Museum, UiO, Norway
  • 2016-2019: The University of Adelaide, Australia
  • 2012-2015: National Dong Hwa University, Taiwan
  • 2004-2008: Point Loma Nazarene University, U.S.A.


  • University Doctoral Research Medal,The University of Adelaide
  • Dean’s Commendation for Doctoral Thesis Excellence, The University of Adelaide
  • Juan V.C. Graduate Thesis Award, Geological Society of Taiwan


  1. Domnick, U., Cook, N.J., Ciobanu, C.L., Courtney-Davies, L., Dmitrijeva, M., Verdugo-Ihl, M.R., Xu, J., Keyser, W., Slattery, A., Kennedy, A.K., Bluck, R., 2020. Micron- to nanoscale characterisation and U-Pb geochronology of zircon from granites of the Samphire Pluton, South Australia. Precambrian Research, https://doi.org/10.1016/j.precamres.2020.105924
  2. Keyser, W., Ciobanu, C.L., Cook, N.J., Wade, B.P., Kennedy, A., Kontonikas-Charos, A., Ehrig, K., Feltus, H., Johnson, G., 2020. Episodic mafic magmatism in the Eyre Peninsula: defining syn- and post-depositional BIF environments for iron deposits in the Middleback Ranges, South Australia. Precambrian Research, https://doi.org/10.1016/j.precamres.2019.105535
  3. Courtney-Davies, L., Ciobanu, C.L., Verdugo-Ihl, M.R., Slattery, A., Cook, N.J., Dmitrijeva, M., Keyser, W.M., Wade, B.P., Domnick, U.I., Ehrig, K., Xu, J., Kontonikas-Charos, A., 2019. Zircon down to the nanoscale: A record of metasomatic processes leading to large magmatic-hydrothermal ore systems. Minerals 9, 364, doi: 10.3390/min9060364.
  4. Keyser, W., Ciobanu, C.L., Cook, N.J., Slattery, A., Feltus, H., Ehrig, K., 2019. Mineralogy of zirconium in iron-oxides: a micron- to nanoscale study of hematite ore from Peculiar Knob, South Australia. Minerals 9, 244, doi: 10.3390/min9040244.
  5. Keyser, W., Ciobanu, C.L., Cook, N.J., Courtney-Davies, L., Kennedy, A., Wade, B.P., Ehrig, K., Dmitrijeva, M., Kontonikas-Charos, A., Feltus, H., Johnson, G., 2019. Petrographic and geochronological constraints on the granitic basement to the Middleback Ranges, South Australia. Precambrian Research 324, 170-193.
  6. Keyser, W., Ciobanu, C.L., Cook, N.J., Dmitrijeva, M., Courtney-Davies, L., Feltus, H., Gilbert, S., Johnson, G., Ehrig, K., 2019. Iron-oxides constrain BIF evolution in terranes with protracted geological histories: the Iron Count prospect, Middleback Ranges, South Australia. Lithos 324-325, 20-38.
  7. Dmitrijeva, M., Metcalfe, A.V., Ciobanu, C.L., Cook, N.J., Frenzel, M., Keyser, W.M., Johnson, G., Ehrig, K., 2018. Discrimination and variance structure of trace element signatures in hematite: a case study of BIF-mineralization from the Middleback Ranges, South Australia. Mathematical Geosciences 50, 381-414.
  8. Keyser, W., Ciobanu, C.L., Cook, Johnson, G., Feltus, H., Johnson, S., Dmitrijeva, M., Ehrig, K., Nguyen, P.T., 2018. Petrography and trace element signatures of iron-oxides in deposits from the Middleback Ranges, South Australia: from banded iron formation to ore. Ore Geology Reviews 93, 337-360.
  9. Keyser, W., Tsai, C.H., Iizuka, Y., Oberhänsli, R., Ernst, W.G., 2016. High-pressure metamorphism in the Chinshuichi area, Yuli belt, eastern Taiwan. Tectonophysics 692, 191-202.
Published Oct. 12, 2020 12:34 PM - Last modified Nov. 13, 2020 12:55 PM