File:4,030,000,000 Years Acasta Gneiss.jpg
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Summary
| Description |
Deep time. Oldest rock. A fist-sized sample from the Acasta River, an obscure little drainage up near Great Bear Lake, Northwest Territories, Canada. This was collected from what is the oldest known rock formation on the planet, clocking in at 4.03 billion years in age, as dated by many labs. Postscript: Further age-dating has now pushed matters in the Acasta River locale back to 4.2 billion years. Since I collected this sample from the 4.03 site, I`ll leave it as is. |
| Date | |
| Source | 4,030,000,000 Years Acasta Gneiss |
| Author | Mike Beauregard from Nunavut, Canada |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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Licensing
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This image was originally posted to Flickr by subarcticmike at https://www.flickr.com/photos/31856336@N03/3109974524. It was reviewed on 6 February 2013 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 | 08:10, 6 February 2013 | | 1,797 × 1,485 (342 KB) | Geo Swan | {{Information |Description=Deep time. Oldest rock. A fist-sized sample from the Acasta River, an obscure little drainage up near Great Bear Lake, Northwest Territories, Canada. This was collected from what is the oldest known rock formation on the plan... |
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