Animikie Group: Paleoproterozoic sedimentary sequences around Lake Superior Animikie Group A geological overview of the Animikie Group — Paleoproterozoic sediments and iron formations in the Lake Superior region, their subdivisions, geology, fossils, and economic signifi…
Banded iron formation (BIF): composition, origin, and significance Banded iron formation Banded iron formations are layered sedimentary rocks of the Precambrian made of alternating iron-rich and silica- or shale-rich bands. They record early ocean chemistry and are maj…
