Elisa Toivanen

Tectono-magmatic controls on fluid flow in a detachment-related porphyry system: Insights from magnetic petrofabric analyses at the Maronia deposit, NE Greece

Elisa Toivanen, William Raymond McCarthy, Daniel Koehn, Barbara I. Kleine

The circulation of magmatic-hydrothermal fluids along crustal-scale fault systems plays a fundamental role in the formation of porphyry-type ore deposits, as these structures control magma emplacement, fluid pathways, and associated rock alteration. In the Rhodope magmatic-metallogenic belt of northern Greece, numerous Oligocene-Miocene …

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Geochronology of the felsic rocks in Orijärvi, southern Finland – implications for stratigraphy

Elisa Toivanen, T Vehkamäki, Markku Väisänen, Jaakko Kara et autres

The Orijärvi area within the Paleoproterozoic Uusimaa belt contains volcanic and minor sedimentary formations, providing valuable insights into the oldest Svecofennian crust in southern Finland. Previously, felsic volcanic rocks from the Orijärvi, Kisko and Toija formations have been dated at 1895 ± …