The local basement of the magmatic arc is made of Greywake-shale formations and Metasedimentary sequences, extending to parts of the Trinity Peninsula located next to the Nordenskjöld Coast. Metamorphic rocks can be found at the boundary of the Mesozoic – Cenozoic magmatic arc.
The local basement of the magmatic arc consists of Greywake-shale formations and Metasedimentary sequences, extending to parts of the Trinity Peninsula adjacent to the Nordenskjöld Coast. Metamorphic rocks are present at the boundary between the Mesozoic – Cenozoic magmatic arc.