Jiangshanian
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 was is estimated to be Template:Geologic Ages Inline million years ago. The Jiangshanian last until approximately Template:Geologic Ages Inline 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
- ^ "Chart/Time Scale". stratigraphy.org. International Commission on Stratigraphy.
- ^ "International Chronostratigraphic Chart". ICS. Retrieved 12 November 2012.
- ^ a b "GSSP for Jiangshanian". Retrieved 12 November 2012.
| Preceded by the Proterozoic Eon |
Phanerozoic Eon | |||||||||||
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| Paleozoic Era | Mesozoic Era | Cenozoic Era | ||||||||||
| Cambrian | Ordovician | Silurian | Devonian | Carboniferous | Permian | Triassic | Jurassic | Cretaceous | Paleogene | Neogene | 4ry | |
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