Dear Colleagues, If you are working in the field of sustainable resources or are interested in green approaches to critical mineral extraction and materials tracing, we would like to draw your attention to session **#5f** at this year's **Goldschmidt Conference** (August 18-23, Chicago, USA), and invite you to submit an abstract to our session: ***5f - Innovative Approaches to Sustainable Critical Mineral Recovery and Tracing of Responsible Materials*** **Keynote Speaker:**  Sasha Wilson (University of Alberta, Canada). Dr. Wilson's research focuses on carbon mineralisation as an ore processing technique for CO2 removal and critical metal recovery. **Invited Speakers:** Ian Power (Trent University), Yuanzhi Tang (Georgia Tech), and Eugene Ilton (Pacific Northwest National Laboratory) Further details can be found in the session description below or directly on the conference website**:** [https://conf.goldschmidt.info/goldschmidt/2024/meetingapp.cgi/Session/6394](https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fconf.goldschmidt.info%2Fgoldschmidt%2F2024%2Fmeetingapp.cgi%2FSession%2F6394&data=05%7C02%7CJohn.Loring%40pnnl.gov%7C02f0171c319c4411b96f08dc35a120af%7Cd6faa5f90ae240338c0130048a38deeb%7C0%7C0%7C638444213384009561%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=0J0skpaGmTODOLi91hEGWC72pqWfwZ1Wp%2BMEN5hUOkQ%3D&reserved=0) The deadline for abstracts submissions is **29 March 2024** ([https://conf.goldschmidt.info/goldschmidt/2024/cfp.cgi](https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fconf.goldschmidt.info%2Fgoldschmidt%2F2024%2Fcfp.cgi&data=05%7C02%7CJohn.Loring%40pnnl.gov%7C02f0171c319c4411b96f08dc35a120af%7Cd6faa5f90ae240338c0130048a38deeb%7C0%7C0%7C638444213384018514%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=Cr72peimGspitVqCL6PvGc5kQLhEahgficZSwRXi29A%3D&reserved=0)). We're looking forward to your interesting submissions and an exciting meeting in Chicago. Best wishes, Andrew, Anne, Felipe, John, Pallavee, and Zhen \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* ***5f - Innovative Approaches to Sustainable Critical Mineral Recovery and Tracing of Responsible Materials*** **Session Description:** Critical elements/minerals (CM) such as REE, transition metals (TMs) (e.g., Co, Ni, Cu) and macronutrients are essential to the world economy and low carbon transition. As the demand for these resources soars, high-grade ores are becoming increasingly scarce. Alternative sources of CMs that can be mined sustainably are therefore needed.  In this context, large low-grade deposits such as (ultra)mafic TM deposits, emerge as a viable alternative, as do mineral-rich wastes from mining, industry and construction. Some of these natural and waste materials can also serve as feedstock for carbon mineralization (capturing) processes, further reducing the economic and environmental costs.  The valorisation of low grade and waste materials, however, has multiple challenges, including technical aspects (material performance, extraction/recovery), contamination, and ingrained economic, social and regulatory barriers.  With an ever-evolving knowledge of the environmental and health impact of mining and industrial waste, the ability to trace back the origin of materials and their production chains, with tools such as isotopic or geochemical fingerprinting, also becomes critical.   This session invites submissions from field, laboratory and modelling studies focusing on: CM occurrence in low grade and waste materials; geoengineering aspects of sustainable recovery and separation; (bio)geochemical, mineralogical, petrological studies of low grade and waste materials (including legacy wastes) and their environmental behaviour (pre or post disposal); novel applications of isotopic or geochemical fingerprinting to trace mining and industrial waste; and  geoengineering aspects of carbon mineralization in these materials. Open discussions on resource management, processing and environmental as well as social impact, are also encouraged. **Conveners:** ·         Felipe Sepulveda Olea (University of Leeds; [F.SepulvedaOlea@leeds.ac.uk](mailto:F.SepulvedaOlea@leeds.ac.uk)) ·         Anne Kaufmann (James Cook University; [anne.kaufmann@jcu.edu.au](mailto:anne.kaufmann@jcu.edu.au)) ·         Andrew J. Frierdich (Monash University; [andrew.frierdich@monash.edu](mailto:andrew.frierdich@monash.edu)) ·         John S. Loring (Pacific Northwest National Laboratory; [john.loring@pnnl.gov](mailto:john.loring@pnnl.gov)) ·         Zhen Wang (Monash University; [zhen.wang1@monash.edu](mailto:zhen.wang1@monash.edu)) ·         Pallavee Srivastava (Cardiff University; [srivastavap5@cardiff.ac.uk](mailto:srivastavap5@cardiff.ac.uk))