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| Description |
This comes from just south of Ercaicun, ~4 km WSW of Haikou, Kunming City Prefecture, east-central Yunnan Province, southwestern China. This rock was deposited not long after the Cambrian Explosion (the sudden, evolutionary appearance of abundant fossil life near the Precambrian-Cambrian boundary). On a global scale, phosphorite deposition was at its maximum, volumetrically, during the Neoproterozoic and Cambrian. |
| Date | |
| Source | Fossiliferous peloidal phosphorite (4.7 cm across) - sample of the “2nd SSF (small shelly fossil) assemblage” from the upper Zhongyicun Member, upper Zhujiaqing Formation (lower Meishucunian Stage, lower Lower Cambrian). |
| Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/8512923187. It was reviewed on 22 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 | 21:16, 22 August 2014 | | 1,171 × 1,076 (407 KB) | Tillman | Transferred from Flickr via Flickr2commons |
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