GDMB Gesellschaft der Metallurgen und Bergleute e. V. |

Symposium Battery Materials

Date: June 23-24, 2026
Venue: Aachen, Germany

Registration

Consolidated Expert Committee Lead & Zinc

Date: June 10-12, 2026
Venue: Gliwice, Poland

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Expert Committee Geothermal Energy

Date: TBA
Venue: Salzwedel, Germany

GDMB General Assembly Meeting

Date: September 8, 2026
Venue: Region Clausthal-Zellerfeld

History Expert Committee

Date: September 25-26, 2026
Venue: Erzgebirge, Germany

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Special Metals Expert Committee

Date: Sept. 30 – Oct. 1, 2026
Venue: Goslar, Germany

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Copper Expert Committee

Date: October 21-23, 2026
Venue: Lubin, Poland

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Securing Raw Materials for Europe

Date: November 4.-5., 2026
Venue: Clausthal-Zellerfeld, Germany

Expert Committee Processing, Environmental and Recycling Technology

Date: TBA
Venue: TBA

Chemists Expert Committee

Date: November 17-18, 2026
Venue: Kassel, Germany

Registration

Light Metals Expert Committee

Date: TBA
Venue: TBA

Maurits Van Camp Symposium 2026

Date: 19.-21. April, 2026
Venue: Van der Valk Hotel & Business Center, Luitenant Lippenslaan 66, 2140 Antwerpen, Belgium

Registration closed

Specialist Journal

World of Mining Q3/2025

Inside this Must-Read Edition:

Lignite Mining Safety: Delve into critical research on the self-ignition behavior of German lignite, providing vital knowledge for enhanced operational safety and risk management.
Mechanical & Electrical Engineering: Explore the shift from multiple independent control rooms to a centralized control station, showcasing the future of efficient mine management. Discover the rich history and successful development of small-caliber rotary percussive drilling technology, celebrating 50 years of innovation in roadway and tunnel driving.
Opencast Mining Technology: A fascinating case study on 33 years of gravel adhesive filter production in Spreetal, highlighting long-term operational excellence in opencast environments.
Mining Law & Administration: Gain new perspectives on CO² sequestration, examining its evolving legal framework and its role in the industry’s climate action strategies.
Clean Mining & Advanced Technologies: Read how environmental goals are powerfully driving profitability and investment decisions, defining the “Clean Mining” era. Plus, get an in-depth look at STEINERT’s sensor-based sorting technology revolutionizing spodumene concentration in Brazil’s Lithium Valley, demonstrating how advanced processing maximizes valuable resources.

In the final section, you’ll find exclusive technical reports that go beyond the headlines — deep dives into the tools, technologies, and strategies that are actually delivering results in the field.

Retail Price: EUR 56,00 incl. VAT plus postage

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Focus points: This journal highlights current developments and innovative approaches in metallurgical process engineering. It begins with the optimization of Aurubis’ hydrometallurgical process for arsenic removal from copper concentrates, presented by Michael Mittelstädt, Leslie Bryson, and Rakan Rahbani, who demonstrate how targeted process improvements can enhance both efficiency and environmental performance. Stephen Kwegyir, Alexandra Thiere, and Alexandros Charitos explore tin extraction from cassiterite concentrate using an alkaline fusion-leaching process, offering new perspectives for processing complex raw materials. Anke Schneider, Thomas Heinig, Jana Nicolai, Jaye Pickarts, and Ken Mushinski present forward-thinking strategies for sustainable rare earth element (REE) processing, focusing on water management and waste reduction. Finally, Wei Lv, Samuel Marcuson, Manqiu Xu, Frederick D. Ford, and Mansoor Barati introduce a method for recovering ferronickel from thermally treated ultramafic nickel sulfide concentrate, opening new possibilities for the efficient use of nickel-bearing resources. Together, these contributions provide valuable insights for advancing resource-efficient and future-oriented technologies in metallurgy.

Retail Price: EUR 56,00 incl. VAT plus postage.

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Working Groups

Young Members Working Group

Date: NN
Venue: NN
WG-Head: Dipl.-Ing. Lukas Manthey, Niklas Hartung (Clausthal), Jasmin Groß (Aachen), Patrick Reimann (Freiberg)
Contact: akjm@gdmb.de, +49 5323 93 79 – 0

Mining

WG Deposits & Raw Materials Management
Date: 13.-14. February 2025
Venue: LAGB (Landesamt für Geologie und Bergwesen Sachsen-Anhalt),
An der Fliederwegkaserne 13, 06130 Halle (Saale)).
WG-Head: Dr. Christoph Gauert
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Open-Pit Mining Technology
Date: NN
Venue: NN
WG-Head: Dipl.-Ing. (FH) Thorsten Vokmer
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Mining
Date: 15.-16. October, 2025
Venue: Freiberg, Germany
WG-Head: Dipl.-Ing. Thomas Kleinsorge
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

Chemistry

WG Aluminum
Date: 07.05.2025, 09.30-11.00
Venue: online
WG Head: Alexander Hoffmann
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Lead & Zinc
Date: NN
Venue: NN
WG Heads: Dr. Sebastian Recknagel, Dr. Elke Lossin
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Precious Metals
Date: 06.05.2026
Venue: Heraeus Precious Metals GmbH & Co. KG
WG Head: Dr. Gisa Bauer
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Copper
Date: NN
Venue: NN
WG Head: Dr. Sonja Priggemeyer
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Special Metals
Date: 12.-13 May, 2025
Venue: LECO Europäisches Anwendungs- und Technologiezentrum (EATC)
WG Head: Dr. Nadine Schrodt
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Environmental and Work Analysis
Date: NN
Venue: NN
WG Head: Anja Klöcker
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

District Groups

District Group South

Date: 24.07.2025 – 26.07.202
Venue: Hauzenberg, Germany
WG Head: Dipl.-Ing. Barbara Witzel-Hänecke
Contact: Witzel-Haenecke.nbg@t-online.de, +49 5323 9379 – 0

Working Groups

Young Members Working Group

Young Members Working Group

Mining

WG Mining
Date: 15.-16. October, 2025
Venue: Freiberg, Germany
WG-Head: Dipl.-Ing. Thomas Kleinsorge
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

Chemistry

WG Aluminum
Date: 07.05.2025, 09.30-11.00
Venue: online
WG Head: Alexander Hoffmann
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Lead & Zinc
Date: NN
Venue: NN
WG Heads: Dr. Sebastian Recknagel, Dr. Elke Lossin
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Precious Metals
Date: 06.05.2026
Venue: Heraeus Precious Metals GmbH & Co. KG
WG Head: Dr. Gisa Bauer
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Copper
Date: NN
Venue: NN
WG Head: Dr. Sonja Priggemeyer
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Special Metals
Date: 12.-13 May, 2025
Venue: LECO Europäisches Anwendungs- und Technologiezentrum (EATC)
WG Head: Dr. Nadine Schrodt
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

WG Environmental and Work Analysis
Date: NN
Venue: NN
WG Head: Anja Klöcker
Contact: gdmb@gdmb.de, +49 5323 9379 – 0

District Groups

District Group South
Date: 24.07.2025 – 26.07.202
Venue: Hauzenberg, Germany
WG Head: Dipl.-Ing. Barbara Witzel-Hänecke
Contact: Witzel-Haenecke.nbg@t-online.de, +49 5323 9379 – 0

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World of Mining Q3/2025

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Young Members Working Group

Mining

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World of Metallurgy Q3/2025