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Collins, Eric S; Kuhnt, Wolfgang; Scott, David B (1996): Absolute abundances of benthic and planktonic foraminifers in samples of ODP Hole 149-901A (Table 1). PANGAEA, https://doi.org/10.1594/PANGAEA.761572, Supplement to: Collins, ES et al. (1996): Tithonian benthic foraminifers from Hole 901A. In: Whitmarsh, RB; Sawyer, DS; Klaus, A & Masson, DG (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 149, 193-201, https://doi.org/10.2973/odp.proc.sr.149.253.1996

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Abstract:
Dark gray laminated silty claystones (Unit II) drilled at Site 901 contain Tithonian benthic foraminifer assemblages that indicate a neritic depositional environment and probably dysaerobic bottom-water conditions. Three benthic foraminifer zones are distinguished within Unit II. The upper part of the unit is dominated by Spirillina polygyrata, contains Globospirillina spp. (Samples 149-901A-3R-1, 10-12 cm, to 149-901A-3R-1, 75-77 cm) and is interpreted as late Tithonian. Samples 149-901A-3R-1, 87-89 cm, to 149-901A-6R-1, 74-76 cm, contain Epistomina uhligi and Lingulina franconica and are probably early Tithonian. The early Tithonian Neobulimina atlantica Zone is characterized by the occurrence of the zonal marker and Epistomina uhligi and reaches from Sample 149-901A-6R-1, 128-130 cm, to the base of the drilled-sequence. The sediments and benthic foraminiferal assemblage characteristics of the Tithonian-aged sequence in Hole 901A are unknown elsewhere in the Atlantic and may represent deposition in a marginal shelf basin with increased terrigenous and organic flux.
Project(s):
Coverage:
Latitude: 40.674600 * Longitude: -11.059700
Date/Time Start: 1993-05-22T18:30:00 * Date/Time End: 1993-05-24T13:10:00
Minimum Elevation: -4730.0 m * Maximum Elevation: -4730.0 m
Event(s):
149-901A * Latitude: 40.674600 * Longitude: -11.059700 * Date/Time Start: 1993-05-22T18:30:00 * Date/Time End: 1993-05-24T13:10:00 * Elevation: -4730.0 m * Penetration: 247.8 m * Recovery: 4.89 m * Location: South Atlantic Ocean * Campaign: Leg149 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 5 cores; 46.8 m cored; 0 m drilled; 10.4 % recovery
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Sample code/labelSample labelCollins, Eric SDSDP/ODP/IODP sample designation
2StageStageCollins, Eric S
3Benthic foraminifera zoneBenth foram zoneCollins, Eric S
4VolumeVolcm3Collins, Eric S
5Bolivina aff. liasicaB. aff. liasica#Collins, Eric SCounting >63 µm fraction
6Dentalina debilisD. debilis#Collins, Eric SCounting >63 µm fraction
7Dentalina seorsaD. seorsa#Collins, Eric SCounting >63 µm fractionfragments
8Dentalina spp.Dentalina spp.#Collins, Eric SCounting >63 µm fractionDentalina-Marginulina group
9Eogutulina aff. liassicaE. aff. liassica#Collins, Eric SCounting >63 µm fraction
10Epistomina spp.Epistomina spp.#Collins, Eric SCounting >63 µm fraction
11Epistomina uhligiE. uhligi#Collins, Eric SCounting >63 µm fraction
12Frondicularia spp.Frondicularia spp.#Collins, Eric SCounting >63 µm fraction
13Glomospira charoidesG. charoides#Collins, Eric SCounting >63 µm fraction
14Glomospira irregularisG. irregularis#Collins, Eric SCounting >63 µm fraction
15Glomospira variabilisG. variabilis#Collins, Eric SCounting >63 µm fraction
16Lagena ex gr. L. hauterivianaL. ex gr. L. hauteriviana#Collins, Eric SCounting >63 µm fraction
17Lagena ex gr. L. ovataL. ex gr. L. ovata#Collins, Eric SCounting >63 µm fraction
18Lagena ex gr. L. sulcataL. ex gr. L. sulcata#Collins, Eric SCounting >63 µm fraction
19Lenticulina muensteriL. muensteri#Collins, Eric SCounting >63 µm fraction
20Lenticulina quenstedtiL. quenstedti#Collins, Eric SCounting >63 µm fraction
21Lenticulina sp.Lenticulina sp.#Collins, Eric SCounting >63 µm fractionsp. A
22Lingulina franconicaL. franconica#Collins, Eric SCounting >63 µm fraction
23Marginulinopsis phragmitesM. phragmites#Collins, Eric SCounting >63 µm fraction
24Neobulimina atlanticaN. atlantica#Collins, Eric SCounting >63 µm fraction
25Nodobacularia bulbiferaN. bulbifera#Collins, Eric SCounting >63 µm fraction
26Nodosaria raphanistriformisN. raphanistriformis#Collins, Eric SCounting >63 µm fraction
27Ophthalmidium oxfordianumO. oxfordianum#Collins, Eric SCounting >63 µm fraction
28Ophthalmidium rotulaO. rotula#Collins, Eric SCounting >63 µm fraction
29Paleogaudryina magharaensisP. magharaensis#Collins, Eric SCounting >63 µm fraction
30Planularia sp.Planularia sp.#Collins, Eric SCounting >63 µm fractionsp. A
31Saracenaria spp.Saracenaria spp.#Collins, Eric SCounting >63 µm fraction
32Spirilina polygyrataS. polygyrata#Collins, Eric SCounting >63 µm fraction
33Trocholina spp.Trocholina spp.#Collins, Eric SCounting >63 µm fractiongenus questionable
34Vaginulina cf. jurassicaV. cf. jurassica#Collins, Eric SCounting >63 µm fraction
35Vaginulina manubriumV. manubrium#Collins, Eric SCounting >63 µm fraction
36Foraminifera, plankticForam plankt#Collins, Eric SCounting >63 µm fraction
37OstracodaOstrac#Collins, Eric SCounting >63 µm fraction
Size:
962 data points

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