File:Tiger Iron2.jpg
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| Description | Folded jaspilite (“tiger iron”) (field of view ~11 cm from top to bottom) from Western Australia's Hamersley Range, an area famous for its “tiger iron” BIFs. Several stratigraphic units in the Hamersley Group contain banded iron formation (e.g., the Marra Mamba Fe-Fm. & the Brockman Fe-Fm.). The sample here is folded jaspilite with bands of yellowish-brown “tiger-eye” (= asbestiform quartz having chatoyancy). The Hamersley Group is an upper Neoarchean to lower Paleoproterozoic unit (~2.47 to 2.55 billion years) that outcrops in parts of the Hamersley Range (Pilbara Craton) of Western Australia. |
| Date | |
| Source | Folded jaspilite BIF (Hamersely Group, Neoarchean to Paleoproterozoic, ~2.47-2.55 Ga; Hamersley Range, Western Australia) |
| Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/14872616219. It was reviewed on 30 August 2014 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 02:00, 30 August 2014 | | 1,226 × 1,191 (2.06 MB) | Tillman (talk | contribs) | Transferred from Flickr via Flickr2commons |
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