1. Origins of olivine in Earth’s youngest kimberlite: Igwisi Hills volcanoes, Tanzania craton

   • Azhar M. Shaikh
   • Sebastian Tappe
   • Richard J. Brown

   Original Paper 31 July 2021 Article: 62

   

2. Local CO₂ variation and evolution of metamorphic fluid at the lithologic boundary recorded in Sanbagawa metamorphic rocks, Central Shikoku, Japan

   • Masaki Enami
   • Yuki Wakasugi
   • Motohiro Tsuboi

   Original Paper 26 July 2021 Article: 61

   

3. Missing lawsonite and aragonite found: P–T and fluid composition in meta-marls from the Combin Zone (Western Alps)

   • Paola Manzotti
   • Michel Ballèvre
   • Federica Schiavi

   Original Paper Open access 26 July 2021 Article: 60