Hydrothermal alteration in the lower part of an early Proterozoic greenstone complex at Palovaara, Enontekiö, northwestern Finland

• Published in: Bulletin of the Geological Society of Finland
• Main Authors: P. Eilu, H. Idman
• Format: Article in Journal/Newspaper
• Language: English
• Published: Geological Society of Finland 1988
• Subjects: metavolcanic rocks; diabase; chemical composition; metasomatism; hydrothermal alteration; albitization; Proterozoic; Palovaara; Enontekiö; Finland; Geology; QE1-996.5; Wall Rocks; Lapland
• Online Access: https://doi.org/10.17741/bgsf/60.2.003; https://doaj.org/article/50723226503343db8b6d7d73d06731e9

The lower part of the early Proterozoic greenstone complex at Palovaara, northwestern Finnish Lapland, comprises a quartzite formation overlain by intermediate and felsic tuffs and tuffites with some lava flows, mostly intermediate in chemical composition. They are intruded by numerous sills of albi...