Seifert, T. “Lamprophyres, F-Sn-Rhyolites and -Explosive Breccia Pipes and Their Relationship to Sn-Polymetallic Mineralization in the Muehlleithen-Gottesberg District (Germany) – Indications for Late-Variscan Mantle-Derived Rare Metal-Enriched Fluid Pulses”. International Kimberlite Conference: Extended Abstracts, vol. 11, Sept. 2017, doi:10.29173/ikc3992.