IDENTIFICATION OF PRIMARY CE-ANOMALY SIGNATURES IN FOSSIL BIOGENIC APATITE: IMPLICATION FOR THE CAMBRIAN OCEANIC ANOXIA AND PHOSPHOGENESIS
| dc.contributor.author | Morad S. | |
| dc.contributor.author | Felitsyn S. | |
| dc.date.accessioned | 2021-02-22T07:40:52Z | |
| dc.date.available | 2021-02-22T07:40:52Z | |
| dc.date.issued | 2001 | |
| dc.description.abstract | Based on REE analyses of 105 world-wide distributed Cambrian fossil apatite samples and eight late Neoproterozoic phosphate concretions, a close relationship is established between the concentrations of MREE and Ce anomalies. Shale La/SmN ratios of 0.35 is suggested as a critical value for the discrimination of the natural Ce anomaly acquired during pre-burial/early diagenesis by biogenic apatite from an artificial Ce anomaly induced due to the calculation. Ce anomalies in apatites with flat REE distribution and La/SmN ratio >0.35 may be used as indicative of oceanic anoxia. | |
| dc.identifier | https://elibrary.ru/item.asp?id=13377081 | |
| dc.identifier.citation | Sedimentary Geology, 2001, 143, 3-4, 259-264 | |
| dc.identifier.issn | 0037-0738 | |
| dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/25345 | |
| dc.subject | Cambrian | |
| dc.subject | Ce-anomaly | |
| dc.subject | oceanic anoxia | |
| dc.subject.age | Paleozoic::Cambrian | en |
| dc.title | IDENTIFICATION OF PRIMARY CE-ANOMALY SIGNATURES IN FOSSIL BIOGENIC APATITE: IMPLICATION FOR THE CAMBRIAN OCEANIC ANOXIA AND PHOSPHOGENESIS | |
| dc.type | Статья |