1. 2012
  2. Infrared imaging of feldspars in intrusive rocks

    J.H.L. Voncken (Speaker)
    5 Aug 2012

    Activity: Talk or presentationTalk or presentation at a conference

  3. 2011
  4. Geologische processen achter diepzee-voorkomens

    J.H.L. Voncken (Speaker)
    3 Oct 2011

    Activity: Talk or presentationTalk or presentation at a workshop, seminar, course or other meeting

  5. Technisch wetenschappelijke invalshoek: Wat zijn aardmetalen, waar worden ze voor gebruikt en waarom zijn ze "zeldzaam"?

    J.H.L. Voncken (Speaker)
    8 Sep 2011

    Activity: Talk or presentationTalk or presentation at a workshop, seminar, course or other meeting

  6. Rare earth elements, occurrence and applications

    J.H.L. Voncken (Speaker)
    1 Mar 2011

    Activity: Talk or presentationTalk or presentation at a workshop, seminar, course or other meeting

  7. Rare earth elements, occurrence, production and applications

    J.H.L. Voncken (Speaker)
    11 Jan 2011

    Activity: Talk or presentationTalk or presentation at a workshop, seminar, course or other meeting

  8. 2003
  9. Physics and Chemistry of Minerals (Journal)

    J.H.L. Voncken (Editor)
    2003

    Activity: Publication peer-review and editorial workEditorial activity

  10. 2002
  11. Optimisation of pellet reduction in a phosphorus furnace

    J.H.L. Voncken (Speaker)
    16 May 2002

    Activity: Talk or presentationTalk or presentation at a workshop, seminar, course or other meeting

  12. Ovensteencorrosie en slakkenchemie

    J.H.L. Voncken (Speaker)
    10 Apr 2002

    Activity: Talk or presentationTalk or presentation at a workshop, seminar, course or other meeting

  13. Applications of electronmicroprobe in raw materials technology

    J.H.L. Voncken (Invited speaker)
    13 Mar 2002

    Activity: Talk or presentationTalk or presentation at a workshop, seminar, course or other meeting

  14. 2000
  15. Commission on Ore Mineralogy IMA-COM Business Meeting Helsinki (External organisation)

    J.H.L. Voncken (Member)
    2000

    Activity: MembershipMembership of committee

ID: 210367