The Archaean-Proterozoic boundary beneath the Caledonides of northern Norway and Sweden: U-Pb, Rb-Sr, and isotope data from the Rombak-Tysfjord

• Main Authors: Skyseth, T., Sundvoll, B., Stendalo, M., Romer, R.L., Kjøsnes, B., Korneliussen, A., Lindahl, I.
• Format: Report
• Language: English
• Published: 1992
• Subjects: PREKAMBRIUM; GRANITT; GEOKRONOLOGI; GEOKJEMI; Hamarøy; Narvik; Norway; Rombak; Skjomdalen; Tysfjord; Nordland; Northern Norway; Troms
• Online Access: https://hdl.handle.net/11250/2666443

The Baltic Shield includes an Archaean craton in northeastern Finland. Early Proterozoic accretions to this Archaean craton comprise of (1) the Svecofen- nian domain, which consists of island arc volcanic and sedimentary rocks that formed at 1.94 - 1.85 Ga and that between 1.83 and 1.78 Ga became in...