Clark, Murlene W (1990): Cenozoic calcareous nannofossils from the Lesser Antilles Forearc Region [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.755088, Supplement to: Clark, MW (1990): Cenozoic calcareous nannofossils from the lesser Antilles Forearc Region and biostratigraphic summary of Leg 110. In: Moore, JC; Mascle, A; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 110, 129-140, https://doi.org/10.2973/odp.proc.sr.110.132.1990
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Abstract:
During Leg 110 of the Ocean Drilling Program, sediment was recovered from six sites in the vicinity of the Lesser Antilles Forearc. Hole 671B, drilled near the toe of the Barbados deformation front, was the first-ever penetration of the decollement between the underthrusting Atlantic Plate and the off scraped Barbados accretionary prism. Stratigraphic repetitions in sequence associated with tectonic movement along the decollement zone, first observed on DSDP Leg 78A, were further documented at four ODP Leg 110 sites. A significant biostratigraphic inversion is present at Site 671 at 128 mbsf in which upper Miocene sediments rest atop lower Pleistocene strata. Smaller repetitions in sequence are recorded at Sites 671, 673, 674, and 676. Leg 110 sediments range from middle Eocene to early Pleistocene in age. Pliocene/Pleistocene assemblages are generally well preserved; however, Miocene assemblages have undergone extensive dissolution at all Leg 110 sites. Paleogene sediments are sometimes recrystallized and the nannofossils contained within exhibit a range in preservation from poor to good.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 15.533360 * Median Longitude: -58.713960 * South-bound Latitude: 15.525800 * West-bound Longitude: -58.851500 * North-bound Latitude: 15.540000 * East-bound Longitude: -58.641000
Date/Time Start: 1986-06-28T12:45:00 * Date/Time End: 1986-08-14T00:30:00
Event(s):
110-671B * Latitude: 15.525800 * Longitude: -58.732500 * Date/Time Start: 1986-06-28T12:45:00 * Date/Time End: 1986-07-10T23:15:00 * Elevation: -4942.0 m * Penetration: 691.2 m * Recovery: 553.13 m * Location: South Atlantic Ocean * Campaign: Leg110 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 74 cores; 691.2 m cored; 0 m drilled; 80 % recovery
110-672A * Latitude: 15.540000 * Longitude: -58.641000 * Date/Time Start: 1986-07-15T11:10:00 * Date/Time End: 1986-07-22T12:15:00 * Elevation: -4984.0 m * Penetration: 493.8 m * Recovery: 382.62 m * Location: South Atlantic Ocean * Campaign: Leg110 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 53 cores; 493.8 m cored; 0 m drilled; 77.5 % recovery
110-673B * Latitude: 15.532000 * Longitude: -58.641500 * Date/Time Start: 1986-07-23T23:00:00 * Date/Time End: 1986-07-28T12:00:00 * Elevation: -4689.0 m * Penetration: 330.6 m * Recovery: 247.05 m * Location: South Atlantic Ocean * Campaign: Leg110 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 35 cores; 330.6 m cored; 0 m drilled; 74.7 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
5 datasets
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Datasets listed in this publication series
- Clark, MW (1990): (Table 1) Distribution of nannofossil species in ODP Hole 110-671B. https://doi.org/10.1594/PANGAEA.755082
- Clark, MW (1990): (Table 2) Distribution of nannofossil species in ODP Hole 110-672A. https://doi.org/10.1594/PANGAEA.755084
- Clark, MW (1990): (Table 3) Distribution of nannofossil species in ODP Hole 110-673B. https://doi.org/10.1594/PANGAEA.755085
- Clark, MW (1990): (Table 4) Distribution of nannofossil species in ODP Hole 110-674A. https://doi.org/10.1594/PANGAEA.755086
- Clark, MW (1990): (Table 5) Distribution of nannofossil species in ODP Hole 110-676A. https://doi.org/10.1594/PANGAEA.755087