1. Columnar structures in pyrometamorphic rocks associated with coal-bearing spoil-heaps burned by self-ignition, La Ricamarie, Loire, France

   • Bernard Guy
   • Vincent Thiéry
   • Maarten A.T.M. Broekmans

   Original Paper 18 August 2020 Pages: 465 - 487

   

2. Study of mineral grains extracted from the Chernobyl “lava”

   • Andrey A. Shiryaev
   • Boris E. Burakov
   • Alexei V. Pakhnevich

   Original Paper 29 July 2020 Pages: 489 - 499

   

3. Petrogenesis of gem sapphire in a pegmatite-aplite vein from the Alvand batholith, Western Iran

   • Rasoul Sheikhi Gheshlaghi
   • Mansour Ghorbani
   • Ryuichi Shinjo

   Original Paper 06 August 2020 Pages: 501 - 513

   

4. Symplectite growth in the presence of alkaline fluids: evidence from high-aluminous metasediments of the Highland Complex, Sri Lanka

   • P. L. Dharmapriya
   • Sanjeewa P. K. Malaviarachchi
   • Amarasooriya Pitawala

   Original Paper 08 August 2020 Pages: 515 - 538

   

5. High temperature – low pressure metamorphism during subduction of Neo-Tethys beneath the Iranian plate: evidence for mafic migmatite formation in the Alvand complex (western Iran)

   • Adel Saki
   • Mirmohammad Miri
   • Roland Oberhänsli

   Original Paper 05 September 2020 Pages: 539 - 557

   

6. Minimizing the impact of passivation during allanite-(Ce) decomposition in sulfuric acid media for rare earth recovery

   • Yves Thibault
   • Joanne Gamage McEvoy

   Original Paper 05 September 2020 Pages: 559 - 571