Herman, Yvonne (1992): Eocene to Quaternary planktonic foraminifers from the Northwest Pacific. PANGAEA, https://doi.org/10.1594/PANGAEA.729592, Supplement to: Herman, Y (1992): Eocene throught Quaternary planktonic foraminifers from the Northwest Pacific. In: Taylor, B; Fujioka, K.; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 126, 271-284, https://doi.org/10.2973/odp.proc.sr.126.133.1992
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Eocene through Quaternary planktonic foraminifers were identified in cores recovered during Leg 126. Turbidites and volcanic ash beds are intercalated with hemipelagic sediments. Preservation of foraminifers is variable, ranging from excellent to poor and appears to have been affected by fluctuations in the carbonate compensation depth (CCD), depth of burial, changes in bottom water temperature, current velocity, sediment accumulation rates and seafloor topography. Preservation of foraminifers in Quaternary sediments is generally good, however, species abundance varies by a factor of I05-106 and reflects dilution by volcanogenic as well as terrigenous constituents and cannot be used for paleoceanographic reconstructions. In pre-Quaternary deposits planktonic foraminiferal tests frequently exhibit dissolution effects; biostratigraphic zonation and placement of zonal boundaries is difficult owing to hiatuses, dissolution facies, extraneously deposited sediments, and discontinuous coring. The Eocene foraminiferal faunas include specimens of the Globorotalia cerroazulensis plexus, markers of Zone P16 as well as Globigerina senni and Globigerinatheka spp., which became extinct before the end of the Eocene. Six hiatuses and/or dissolution periods, probably reflecting global cooling events and/or changes in oceanic circulation patterns were recorded at Site 792. Recrystallized, poorly preserved, possibly reworked Eocene species (Globigerina senni and Globigerapsis sp.) were recorded in sediments at Site 793.
Median Latitude: 31.542170 * Median Longitude: 140.345770 * South-bound Latitude: 30.910900 * West-bound Longitude: 139.837000 * North-bound Latitude: 32.399800 * East-bound Longitude: 140.888200
Date/Time Start: 1989-04-24T14:55:00 * Date/Time End: 1989-05-27T18:10:00
126-787B * Latitude: 32.375700 * Longitude: 140.749400 * Date/Time Start: 1989-04-24T14:55:00 * Date/Time End: 1989-04-27T12:00:00 * Elevation: -3265.0 m * Penetration: 320.1 m * Recovery: 159.88 m * Location: North Pacific Ocean * Campaign: Leg126 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 34 cores; 320.1 m cored; 0 m drilled; 49.9 % recovery
126-790A * Latitude: 30.915400 * Longitude: 139.843900 * Date/Time Start: 1989-04-29T15:56:00 * Date/Time End: 1989-04-30T06:30:00 * Elevation: -2233.0 m * Penetration: 37.4 m * Recovery: 35.71 m * Location: Philippine Sea * Campaign: Leg126 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 4 cores; 37.4 m cored; 0 m drilled; 95.5 % recovery
126-790C * Latitude: 30.910900 * Longitude: 139.837000 * Date/Time Start: 1989-05-01T11:15:00 * Date/Time End: 1989-05-04T07:15:00 * Elevation: -2234.0 m * Penetration: 387.1 m * Recovery: 127.32 m * Location: Philippine Sea * Campaign: Leg126 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 302.1 m cored; 0 m drilled; 42.1 % recovery
Datasets listed in this publication series
- Herman, Y (1992): (Table 1) Distribution of planktonic foraminifers in ODP Hole 126-787B. https://doi.org/10.1594/PANGAEA.729587
- Herman, Y (1992): (Table 2) Distribution of planktonic foraminifers in ODP Site 126-790. https://doi.org/10.1594/PANGAEA.729588
- Herman, Y (1992): (Table 3) Distribution of planktonic foraminifers in ODP Site 126-791. https://doi.org/10.1594/PANGAEA.729589
- Herman, Y (1992): (Table 4) Distribution of planktonic foraminifers in ODP Site 126-792. https://doi.org/10.1594/PANGAEA.729591
- Herman, Y (1992): (Table 5) Distribution of planktonic foraminifers in ODP Hole 126-793A. https://doi.org/10.1594/PANGAEA.729590