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Zircon
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| Mineral: | Zircon: ZrSiO4 | |||||
| Comments: | Cathodoluminescence image of earth's oldest-known mineral (zircon grain - W74/2-36) with inset concordia plot showing the 4,404 billion year old region. Note the oscillatory zoning in the outer rim. Image by John W. Valley. | |||||
| Location: | Interlayered red quartzites and metaconglomerates, Jack Hills, Western Australia. | |||||
| Scale: | See Image. | |||||
| Copyright: | © University of Wisconsin | |||||
| Counter: | This Image has been shown 28025 times | |||||
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