En jämförelse mellan Jorandomens tennanomala graniters och revsundsgranitens (Västerbotten) mineralogiska och petrografiska karaktär
Summary: The Joran-dome is one of the rounded granite structures found in the Precambrian of northern Sweden. It is situated near Storuman in the county of Västerbotten. It is most easily identified as a positive γ-radiation anomaly due to increased U-Th-K contents. According to a zircon U-Pb dating the age of the granites in the Joran dome is 1744 +/- 35 Ma. The country rock consists of Revsund g