Publikationsdatum:
2024-04-26
Beschreibung:
Relative abundance of benthic foraminifera genera from IODP Site U1488, western equatorial Pacific Ocean. The dataset spans the Late Miocene-Early Pliocene interval, from 8.7 to 3.1 Ma. We recognized a total of 51 genera, which were grouped into infaunal and epifaunal morphogroups. Moreover, all identified genera were assigned to Oxic, Suboxic, and Dysoxic groups in order to calculate the enhanced benthic foraminifera oxygen index (EBFOI). We provide preliminary paleoenvironmental changes across the Late Miocene - Early Pliocene Biogenic Bloom at Site U1488 and we tested the reliability of the EBFOI in the investigation of bottom-water oxygenation during this phenomenon. We differentiated two intervals with paleoenvironmental significance across the study record, Interval 1 (8.7 to 4.3 Ma) and Interval 2 (4.3 to 3.1 Ma).
Schlagwort(e):
363-U1488; Abditodentrix spp.; Age; AGE; Alabaminella spp.; Allomorphina spp.; Anomalinoides spp.; Benthic foraminifera; Biogenic bloom; Bolivina spp.; Bulimina spp.; Calculation according to Kranner et al. (2022); Cassidulina spp.; Chilostomella spp.; Cibicides spp.; Cibicidoides spp.; COMPCORE; Composite Core; Counting 〉63 µm fraction; DEPTH, sediment/rock; Early Pliocene; Eggerella spp.; Ehrenbergina spp.; Enhanced benthic foraminifera oxygen index; Epistominella spp.; Eubuliminella spp.; Evolvocassidulina spp.; Exp363; Favocassidulina spp.; Fissurina spp.; Foraminifera, benthic, dysoxic fauna; Foraminifera, benthic, epifaunal; Foraminifera, benthic, infaunal; Foraminifera, benthic, oxic fauna; Foraminifera, benthic, suboxic fauna; Foraminifera, benthic agglutinated; Foraminifera, benthic calcareous; Fursenkoina spp.; Gaudryina spp.; Gavelinopsis spp.; Globobulimina spp.; Globocassidulina spp.; Gyroidina spp.; Hanzawaia spp.; Heronallenia spp.; Integrated Ocean Drilling Program / International Ocean Discovery Program; IODP; Joides Resolution; Karreriella spp.; Lagena spp.; Late Miocene; Laticarinina spp.; Lenticulina spp.; Melonis spp.; Miliolidae; Nodosariidae; Nonionella spp.; Nonion spp.; Nuttallides spp.; Nuttallinella spp.; Obesopleurostomella spp.; Oridorsalis spp.; Osangularia spp.; Pacific Ocean, Papua-Neuguinea; Planulina spp.; Pleurostomella spp.; Polymorphinidae; Pullenia spp.; Pyrgo spp.; Sigmoilina spp.; Sphaeroidina spp.; Spirosigmoilina spp.; Stilostomellidae; Textularia spp.; Uvigerina spp.; Vulvulina spp.
Materialart:
Dataset
Format:
text/tab-separated-values, 2340 data points
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