Structural setting and detrital zircon U–Pb geochronology of Triassic–Cenozoic strata in the eastern Central Pamir, Tajikistan HeJohn KappPaul ChapmanJames B. DecellesPeter G. CarrapaBarbara 2018 Fig. S2. Amphibole #Na composition for sample M4-1. High, medium, and low pressure fields after Laird and Albee (1981).