File:Garnet paragneiss Nuvvuagittuq Greenstone Belt, 4.28 Ga.jpg
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| Description |
Garnet paragneiss ("faux-amphibolite") (3.0 cm across at its widest), dating to 4.28 Ga, the oldest known Earth rock of which direct samples are available. Reported minerals: garnet, cummingtonite amphibole, biotite mica, quartz, plagioclase feldspar, anthophyllite, cordierite. Geology & age: Nuvvuagittuq Greenstone Belt, Eoarchean, 4.28 Ga. Locality: western Ungava Peninsula, eastern side of Hudson Bay, northwestern Quebec, eastern Canada (= locality of O'Neil et al., 2008, Science 321: 1828-1831). |
| Date | |
| Source | Garnet paragneiss (Nuvvuagittuq Greenstone Belt, Hadean, 4.28 Ga; western Ungava Peninsula, eastern side of Hudson Bay, Quebec, Canada) |
| Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/15060583445. 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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:10, 30 August 2014 | | 2,962 × 1,683 (1.56 MB) | Tillman | Transferred from Flickr via Flickr2commons |
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