Wang, Guang-Xu, Zhan, Ren-Bin, Percival, Ian G. (2016) New data on Hirnantian (latest Ordovician) postglacial carbonate rocks and fossils in northern Guizhou, Southwest China. Canadian Journal of Earth Sciences, 53 (7) 660-665 doi:10.1139/cjes-2015-0197
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | New data on Hirnantian (latest Ordovician) postglacial carbonate rocks and fossils in northern Guizhou, Southwest China | ||
| Journal | Canadian Journal of Earth Sciences | ||
| Authors | Wang, Guang-Xu | Author | |
| Zhan, Ren-Bin | Author | ||
| Percival, Ian G. | Author | ||
| Year | 2016 (July) | Volume | 53 |
| Issue | 7 | ||
| Publisher | Canadian Science Publishing | ||
| DOI | doi:10.1139/cjes-2015-0197Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 485270 | Long-form Identifier | mindat:1:5:485270:8 |
| GUID | 0 | ||
| Full Reference | Wang, Guang-Xu, Zhan, Ren-Bin, Percival, Ian G. (2016) New data on Hirnantian (latest Ordovician) postglacial carbonate rocks and fossils in northern Guizhou, Southwest China. Canadian Journal of Earth Sciences, 53 (7) 660-665 doi:10.1139/cjes-2015-0197 | ||
| Plain Text | Wang, Guang-Xu, Zhan, Ren-Bin, Percival, Ian G. (2016) New data on Hirnantian (latest Ordovician) postglacial carbonate rocks and fossils in northern Guizhou, Southwest China. Canadian Journal of Earth Sciences, 53 (7) 660-665 doi:10.1139/cjes-2015-0197 | ||
| In | (2016, July) Canadian Journal of Earth Sciences Vol. 53 (7) Canadian Science Publishing | ||
| Abstract/Notes | The Kuanyinchiao Formation (Hirnantian, Upper Ordovician), yielding the typical Hirnantia fauna, has commonly been accepted as representing cool-water sediments deposited during the glacial interval in the Hirnantian Global Boundary Stratotype Section and Point (GSSP) region of South China. Recent investigation reveals that the uppermost carbonate-dominated part of this formation yields a warm-water rugose coral fauna with Silurian affinities at many localities of northern Guizhou Province, which substantially differs from the underlying cool-water fauna. This suggests that these carbonates were probably postglacial warm-water sediments, rather than having formed during the Hirnantian glacial interval as previously thought. Such a conclusion is consistent with the evidence from the associated brachiopod fauna, i.e., the Dalmanella testudinaria – Dorytreta longicrura community, which is similarly distinct from the underlying typical Hirnantia fauna. The sedimentological data show warm-water features at the same level (e.g., the presence of oolitic grains), also supporting this new interpretation. | ||
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