Jiangshanian: Difference between revisions
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{{Coord|28.815967|N|118.614933|E|display=title}} |
{{Coord|28.815967|N|118.614933|E|display=title}} |
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{{Cambrian graphical timeline}} |
{{Cambrian graphical timeline}} |
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The '''Jiangshanian''' is the middle stage of the [[Furongian]] series. It follows the [[Paibian]] stage and is succeeded by the still unnamed [[Cambrian Stage 10|Stage 10]] of the [[Cambrian]]. The base is defined as the first appearance of the [[trilobite]] ''[[Agnostotes orientalis]]'' which is estimated to be {{Period start|Jiangshanian}} million years ago. The Jiangshanian lasted until approximately {{Period start|Stage 10}} million years ago.<ref name="GTS 2012">{{cite web|title=International Chronostratigraphic Chart|url=http://stratigraphy.org/column.php?id=Chart/Time%20Scale|publisher=ICS|accessdate=12 November 2012}}</ref> |
The '''Jiangshanian''' is the middle stage of the [[Furongian]] series. It follows the [[Paibian]] stage and is succeeded by the still unnamed [[Cambrian Stage 10|Stage 10]] of the [[Cambrian]]. The base is defined as the first appearance of the [[trilobite]] ''[[Agnostotes orientalis]]'' which is estimated to be {{Period start|Jiangshanian}} million years ago. The Jiangshanian lasted until approximately {{Period start|Stage 10}} million years ago.<ref name="GTS 2012">{{cite web|title=International Chronostratigraphic Chart |url=http://stratigraphy.org/column.php?id=Chart/Time%20Scale |publisher=ICS |accessdate=12 November 2012 |deadurl=yes |archiveurl=https://web.archive.org/web/20121030215828/http://www.stratigraphy.org/column.php?id=Chart%2FTime+Scale |archivedate=30 October 2012 |df= }}</ref> |
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The Cambrian stage was named after [[Jiangshan]], a town in the [[Zhejiang]] province of [[China]].<ref name="GSSP Jiangshanian" /> |
The Cambrian stage was named after [[Jiangshan]], a town in the [[Zhejiang]] province of [[China]].<ref name="GSSP Jiangshanian" /> |
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Revision as of 08:52, 22 April 2017
28°48′57″N 118°36′54″E / 28.815967°N 118.614933°E
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−540 — – −535 — – −530 — – −525 — – −520 — – −515 — – −510 — – −505 — – −500 — – −495 — – −490 — – −485 — – | "Stage 2" "Stage 3" "Stage 4" "Stage 10" |
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The Jiangshanian is the middle stage of the Furongian series. It follows the Paibian stage and is succeeded by the still unnamed Stage 10 of the Cambrian. The base is defined as the first appearance of the trilobite Agnostotes orientalis which is estimated to be 494 million years ago. The Jiangshanian lasted until approximately 489.5 million years ago.[2]
The Cambrian stage was named after Jiangshan, a town in the Zhejiang province of China.[3]
The GSSP of the Jiangshanian is the "Duibian B Section" (28°48′57″N 118°36′54″E / 28.815967°N 118.614933°E), west of the village of Duibian, and 10 km north of Jiangshan. The outcrop belongs to the Huayansi Formation.[3]
References
- ^ "International Chronostratigraphic Chart" (PDF). International Commission on Stratigraphy. September 2023. Retrieved November 10, 2024.
- ^ "International Chronostratigraphic Chart". ICS. Archived from the original on 30 October 2012. Retrieved 12 November 2012.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ a b "GSSP for Jiangshanian". Retrieved 12 November 2012.
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