A. W. Jasinski. Activity diagrams for the MgO-Na2O-K2O-SiO2-AI2O3-H2O-HCI system in the temperature range 298 to 623 K and L bar pressure: application to the 1900 Ma phlogopite-Mg-chlorite-sericite schists of W. Bergslagen, Sweden. njg [Internet]. 1988Jan.1 [cited 2026Apr.7];:379-95. Available from: https://njgjournal.nl/index.php/njg/article/view/13076