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| Content Provider | Springer Nature Link |
|---|---|
| Author | Betzler, Christian |
| Copyright Year | 1997 |
| Abstract | The Miocene and Pliocene of three ODP Leg 133 sites (812, 813, 814) record the biofacies evolution prior and during the partial drowning of the Queensland Plateau carbonate platform. Four major skeletal assemblages occur in the succession. The first, middle Miocene assemblage consists of a tropical chlorozoan association. The second assemblage, which records warm-temperate depositional conditions, lacks aragonitic skeletal elements. It is dominated by foraminifera and bryozoans. The third skeletal association (uppermost Lower Pliocene) contains green algae, foraminifera, and bryozoans. The last skeletal association is pelagic (ooze) and mainly consists of planktonic foraminifera and calcareous nannoplankton.The middle Miocene depositional geometry in the analysed transect of drill sites is that of a carbonate bank with a well-defined rim and a flank. During the late Miocene and early Pliocene carbonate ramps formed. Upper Miocene and lower Pliocene deposits in the drill holes are rich in large benthic foraminifera. Combination of micropaleontological with seismic data allows the reconstruction of a curve of relative sea level for the Tortonian and Messinian. The long term trend of relative sea level is characterised by a rise punctuated by four short term falls.Lepidocyclina (Nephrolepidina) rutteni is described from the Australian faunal province for the first time. |
| Starting Page | 147 |
| Ending Page | 166 |
| Page Count | 20 |
| File Format | |
| ISSN | 01729179 |
| Journal | Facies |
| Volume Number | 37 |
| Issue Number | 1 |
| e-ISSN | 16124820 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 1997-01-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Carbonate Platform Sequences Stratigraphy Sea Level Drowning Paleoclimate Lepidocyclina Australia Miocene Pliocene Biogeosciences Geochemistry Paleontology Sedimentology Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Geology Stratigraphy Paleontology |
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