Hoskins, R. H. (1990): Planktic foraminiferal correlation of the late Pliocene to early Pleistocene of DSDP sites 284 and 593 (Challenger Plateau) with New Zealand stages. New Zealand Geological Survey, Lower Hutt, New Zealand, New Zealand Geological Survey Report PAL, 149, 32 pp., georefid:2002-049670
Abstract:
Globorotalia (planktic foraminifera) from 40 samples of late Miocene to early Pleistocene age recovered from DSDP Site 593 are correlated with the (Hornibrook) Globorotalia zonation for DSDP Site 284 and to New Zealand stages. Site 593, located on the Challenger Plateau (Lord Howe Rise) 270 km from the nearest land mass of northern South Island, is a reoccupation of Site 284 which was drilled in a water depth of 1066 m. The sequence of foraminiferal first appearance, last appearance, and coiling direction change datums are the same for each site but are offset an average of 5.4 metres uphole in Site 593. Poorer core recovery from Site 284 (an average of 76.3% for the first 18 cores against 91.8% for the same interval in Site 593) and improved coring techniques using the hydraulic piston corer are the likely explanations for the offsets.
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West: 167.4028 East: 167.4049 North: -40.3028 South: -40.3029
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