Dr. Jörg Neßler



Dr. Jörg Neßler
Professur für Lagerstättenlehre und Petrologie
Institut für Mineralogie
TU Bergakademie Freiberg
Brennhausgasse 14
D-09599 Freiberg/Sachsen
Telefon: +49-(0)3731-39-3516
Fax: +49-(0)3731-39-2610


Curriculum vitae

Date and place of birth:     16.01.1985 in Berlin/Germany


I am holding a diploma in geology with background in economic geology and sedimentology (grade: 1.5).


Diplom Geologe (M.Sc. equivalent) - Technical University Bergakademie Freiberg, Germany

Diploma Thesis and Mapping „Sediment hosted stratabound copper mineralization of mesozoic redbeds in the area of Sapouan, province Attapue, Laos PDR” (grade: 1.3)

Professional Experience

06/11- present
PhD student - Exploration of Li-Sn-W deposit Zinnwald, Germany; Technical University Bergakademie Freiberg in cooperation with SolarWorld Solicium GmbH (Supervisors: Prof. J. Gutzmer and Prof. Th. Seifert)       

Consultant - Eurasian Minerals Inc.

Project Engineer - G.E.O.S. Ingenieurgesellschaft mbH, Freiberg

Training and Courses

  • Best practice for assessment and reporting of Exploration Results, Mineral Resources and Mineral Reserves, November 19, 2014 in Brussels, Belgium - held by Edmund Sides, AMEC
  • GESEP School – Initial Drill-Core Processing, Analyses and Archiving, March 19 to 20, 2014 in Erlangen, Germany
  • Maptek Vulcan 3D Software Courses “Introduction to Vulcan” and “Underground Design (Metalliferous)”, March 12 to 16, 2012 in Freiberg, Germany - held by Mark Fry, Maptek
  • Legal competence for the operation of a handheld XRF-Analyser (NITON, Thermo Scientific), February 14, 2012 in Freiberg (Analyticon Instruments GmbH)
  • International Standards in Reporting of Mineral Ressource Estimation, October 14, 2011 in Essen, Germany - held by Torsten Gorka und Stephan Peters, DMT Consulting
  • Freiberg Short Courses in Economic Geology, annually since 2008


  • Underground mapping of historic Sn-W-mine Zinnwald, Erzgebirge, Germany (since 06/11)
  • Brownfield exploration mapping in the area of Frankenberg, Germany (07/15-09/15)
  • Greenfield exploration mapping in the area of Sapouan, Province of Attapue, Laos PDR (04/09-05/09)
  • Geological mapping in the area of Klagenfurt, Austria (08/06)

Research interests                          

  • Sn-W-Li Greisen and granite hosted deposits
  • Geochemical sampling in Exploration and Mining
  • Sedimentary Copper deposits
  • Ore Microscopy


  • Member of SEG and President of SEG Student Chapter Freiberg from 10/12 to 10/13
  • Personal interests: bass guitar, cycling


Neßler J, Seifert T, Gutzmer J, Müller A, Bachmann T, Henker J, Stute S, Kühn K, Hartsch J, Helbig M, Sennewald R, Herklotz G (2015) Die historische Sn-W-Li-Lagerstätte Zinnwald: neue Aspekte zum Rohstoffpotential des Osterzgebirges. In: Groß U (Hrsg) Glanzlichter der Forschung an der TU Bergakademie Freiberg – 250 Jahre nach ihrer Gründung, Freiberg, 2015, p. 22-37


Neßler J, Seifert T, Gutzmer J (2015) New Sn-W potential at the Zinnwald/Cínovec deposit, eastern Erzgebirge, Germany. 13th SGA Biennial Meeting, 24-27 August 2015, Nancy, France. Extended Abstract, p. 819-822


Neßler J, Seifert T, Gutzmer J, Müller A, Bachmann T, Henker J, Kühn K (2015) The Zinnwald Lithium-Project – Lithium Resource and Tin Potential, oral presentation at the German Day at PDAC 2015, Toronto, Canada

M. Neumann, A. Müller, T. Bachmann, J. Henker, K. Kühn, J. Hartsch, M. Helbig, J. Neßler, Th. Seifert, J. Gutzmer (2014) Zinnwald Lithium Project, SolarWorld Solicium GmbH. Resource Report According to PERC Standard (unpubl.)

Bachmann K, Seifert T, Magna T, Neßler J (2014) Li isotopes and geochemistry of Li–F–Sn greisen from the Zinnwald deposit”. Goldschmidt 2014, Sacramento, USA

Neßler J, Seifert T, Gutzmer J, Müller A, Henker J, Kühn K (2014) New lithogeochemical and mineralogical exploration of Li-Sn greisen mineralisation in old mining adits of the Zinnwald deposit, Germany. EGU General Assembly Conference Abstracts 16: 9000

Neßler J, Seifert T, Gutzmer J, Müller A, Stute S, Kühn K (2013)  Geology and Exploration of the Li-Sn-W-Rb-Cs-deposit Zinnwald, eastern Erzgebirge, Germany. 12th SGA Biennial Meeting 2013, 12–15th August 2013, Uppsala, Sweden. Extended Abstract, p. 1734-1737