2023
DOI: 10.21638/spbu07.2023.204
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Kaalamo and Velimyaki paleoroterozoic gabbroid massifs of the Northern Ladoga area: thermodynamic modeling of crystallization and evolution trends of igneous rocks

Abstract: Kaalamo and Velimyaki gabbroid massifs are located in the south-eastern part of the Raahe-Ladoga suture zone of the Karelian craton and the Sveсofennian mobile belt. These massifs were formed almost simultaneously 1.89 Ga ago, occupy the same tectonic position and are located in a single unit of the Early Proterozoic metamorphosed rocks: the intrusions are contained by the Early Proterozoic supracrustal stratas: garnet-biotite gneisses and micaceous shales of the Ladoga series, as well as amphibolites of the S… Show more

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