10.1594/PANGAEA.745253
Head, Martin J
Martin J
Head
Norris, Geoffrey
Geoffrey
Norris
Stratigraphic occurrence of selected marine palynomorph species recorder in the Paleogene of ODP Hole 105-647A (Table 3)
PANGAEA
1989
Sample code/label
Epoch
Nannofossil zone
Adnatosphaeridium robustum
Dinoflagellate cyst
Rhombodinium sp.
Operculodinium sp.
Hystrichostrogylon membraniphorum
Cribroperidinium giuseppei
Impagidinium spp.
Systematophora ancyrea
Thalassiphora pelagica
Palaeocystodinium golzowense
Spiniferites spp.
Dracodinium sp.
Dracodinium condylos
Ceratiopsis sp.
Cordosphaeridium gracilis
Spiniferites pseudofurcatus
Corrudinium sp.
Impagidinium sp.
Impagidinium dispertitum
Lingulodinium machaerophorum
Operculodinium spp.
Areoligera senonensis
Eatonicysta ursulae
Nematosphaeropsis sp.
Apectodinium sp.
Membranophoridium sp.
Wetzeliella articulata
Diphyes colligerum
Homotryblium sp.
Hystrichokolpoma globulum
Deflandrea sp.
Cordosphaeridium inodes
Phthanoperidinium sp.
Kisselovia crassoramosa
Kisselovia coleothrypta
Rhombodinium glabrum
Heteraulacacysta sp.
Systematophora sp.
Hystrichokolpoma unispina
Dinopterygium cladoides
Adnatosphaeridium multispinosum
Kisselovia edwardsii
Tectatodinium sp.
Samlandia chlamydophora
Impagidinium pallidum
Homotryblium tenuispinosum
Lithosphaeridium sp.
Duosphaeridium sp.
Hystrichokolpoma granulatum
Gonyaulacysta sp.
Aliscocysta sp.
Cordosphaeridium minimum
Hystrichokolpoma cinctum
Hystrichosphaeropsis sp.
Deflandrea oebisfeldensis
Thalassiphora sp.
Phthanoperidinium spp.
Tectatodinium pellitum
Alisocysta sp.
Wilsonidium tabulatum
Areosphaeridium diktyoplokus
Elytrocysta sp.
Ceratiopsis depressa
Histiocysta spp.
Diphyes sp.
Impletosphaeridium luxurium
Chytroeisphaeridia sp.
Dapsilidinium sp.
Phthanoperidinium comatum
Areosphaeridium arcuatum
Selenopemphix nephroides
Batiacasphaera sp.
Phthanoperidinium brooksii
Dapsilidinium simplex
Cordosphaeridium callosum
Horologinella spinosa
Selenopemphix sp.
Rhizophagites sp.
Acritarch sp.
Corrudinium incompositum
Batiacasphaera micropapillata
Cordosphaeridium cantharellum
Dapsilidinium pseudocolligerum
Gochtodinium spinulum
Phthanoperidinium echinatum
Distatodinium sp.
Areosphaeridium pectiniforme
Deflandrea leptodermata
Pentadinium spp.
Deflandrea heterophlycta
Hemiplacophora semilunifera
Heteraulacacysta porosa
Hystrichokolpoma rigaudiae
Lophocysta sp.
Svalbardella sp.
Impagidinium patulum
Cordosphaeridium sp.
Thalassiphora delicata
Cordosphaeridium funiculatum
Reticulatosphaera actinocoronata
Phelodinium sp.
Selenopemphix armata
Operculodinium centrocarpum
Distatodinium scariosum
Wetzeliella symmetrica
Batiacasphaera compta
Lentinia serrata
Impagidinium velorum
Invertocysta sp.
Nematosphaeropsis lemniscata
Selenopenphyx sp.
Gelatia inflata
Pentadinium laticinctum imaginatum
Distatodinium paradoxum
Homotryblium pallidium
Glaphyrocysta sp.
Membranophoridium aspinatum
Cribroperidinium tenuitabulatum
Impagidinium aculeatum
Chiropteridium mespilanum
Phthanoperidinium geminatum
Deflandrea spinulosa
Glaphyrocysta semitecta
Thalassiphora fenestrata
Polysphaeridium sp.
Impagidinium paradoxum
Chiropteridium lobospinosum
Surculosphaeridium sp.
Drilling/drill rig
DSDP/ODP/IODP sample designation
Age model, paleomag, Berggren et al (1985)
Leg105
Joides Resolution
Ocean Drilling Program (ODP)
1985-10-15T04:10:00/1985-10-23T18:15:00
en
Supplementary Dataset
10.2973/odp.proc.sr.105.178.1989
9604 data points
text/tab-separated-values
Creative Commons Attribution 3.0 Unported
Dinoflagellate cysts were recovered throughout the Paleogene succession of Hole 647A, which contains an almost complete deep-water record of early Eocene through early late Oligocene sedimentation in the Labrador Sea. Dinoflagellate cyst biostratigraphy is in general accord with that provided by other microfossil groups and is consistent with a lower Eocene age, as determined by nannofossils, for basal sediments in Hole 647A. These sediments overlie oceanic crust of Chron 24 age.
Dinocyst assemblages indicate outer neritic to oceanic conditions throughout, although the persistent occurrence of Wetzeliellaceae specimens in the lower Eocene suggests a greater influence from shelf environments during this time. Lower Eocene dinocyst assemblages are similar to coeval assemblages from the Rockall Plateau, but those from the middle to upper Eocene have mixed affinities and may be related to the intensification of the proto-Gulf Stream from middle Eocene time. Oligocene dinocyst assemblages suggest the influence of both arctic and North Atlantic wate rmasses at this site. The presence of protoperidineacean species in the upper Eocene and Oligocene may indicate increased availability of nutrients, perhaps related to increased upwelling or the effects of water-mass mixing. Productive samples are dominated by dinocysts and acritarchs, while sporomorphs are represented mainly by bisaccate pollen. Preservational differences within samples may reflect mixing of penecontemporaneous dinocyst populations during the Eocene, and all samples examined may have a considerable allochthonous component. Variability in relative abundance of many species during the Eocene may be related to fluctuating water-mass properties. A total 175 dinocyst and acritarch taxa were recorded from 53 productive samples from the Paleogene. Only one Paleogene sample was barren of palynomorphs. Of three Miocene samples processed, all were barren.
species abundance: A = abundant, C = common, R = rare, - = not observed, cf. = confer
Supplement to: Head, Martin J; Norris, Geoffrey (1989): Palynology and dinocyst stratigraphy of the Eocene and Oligocene in ODP Leg 105, Hole 667A, Labrador Sea. In: Srivastava, SP; Arthur, M; Clement, B; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 105, 515-550
-45.262
53.3313
South Atlantic Ocean