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Temagami Greenstone Belt
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The Temagami Greenstone Belt is a small 2.7 billion year old greenstone belt in the Temagami region of Northeastern Ontario, Canada. It represents a feature of the Superior craton, an ancient and stab
Pillow lava (part of the Younger Volcanic Complex) exposed at Temagami's former garbage dump
Pillow lava (part of the Younger Volcanic Complex) exposed at Temagami's former garbage dump
A dike intruding igneous rock exposed along Highway 11 immediately north of Temagami North. This dike is about 2 m (6.6 ft) wide
A dike intruding igneous rock exposed along Highway 11 immediately north of Temagami North. This dike is about 2 m (6.6 ft) wide
Surface of a weathered pillow lava formation west of the Ontario Northland Railway. This is one of the several pillow lava outcrops throughout the Tem
Surface of a weathered pillow lava formation west of the Ontario Northland Railway. This is one of the several pillow lava outcrops throughout the Temagami Greenstone Belt
An S-shaped fold in banded iron formation exposed along Highway 11 just north of the town of Temagami
An S-shaped fold in banded iron formation exposed along Highway 11 just north of the town of Temagami
Banded iron formation
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Banded iron formations are distinctive units of sedimentary rock consisting of alternating layers of iron oxides and iron-poor chert. They can be up to several hundred meters in thickness and extend l
Temagami Greenstone Belt
…might have been repeatedly sheared by one or several local fault zones. Every large volcanic event is capped by metamorphosed sedimentary rocks and/or iron formations. The metamorphosed sedimentary units range in thickness from 60 m (200 ft) to 300 m (980 ft) and consist of laminated slate and greywacke with or without…
Banded iron formation, Karijini National Park, Western Australia
Banded iron formation, Karijini National Park, Western Australia
2.1 billion year old rock from North America showing banded iron formation, displayed in Dresden, Saxony, Germany
2.1 billion year old rock from North America showing banded iron formation, displayed in Dresden, Saxony, Germany
Banded iron formation from the Barberton Greenstone Belt, South Africa
Banded iron formation from the Barberton Greenstone Belt, South Africa
Close-up of banded iron formation specimen from Upper Michigan
Close-up of banded iron formation specimen from Upper Michigan