Annotated record of the detailed examination of Mn deposits from DSDP Leg 68 (Holes 502, 502A, 502B, 503, 503A, 503B)

2019-11-23T19:34:14Z (GMT) by Warren L Prell James V Gardner
The general objectives of this cruise were to use the newly developed HPC to recover two undisturbed, continuous records of the late Neogene and Quaternary, one from the western Caribbean and the other from the eastern equatorial Pacific, and to test the coring capabilities of the HPC. At site 502 in the Caribbean an hemipelagic facies with accumulation rates of about 3 cm/k.y near site 154 were a coarse-grained volcanogenic turbidite sequence had been recovered at a depth equivalent to a strong seismic reflector. Site 503 was located as close as possible to previously rotary-drilled Site 83 in the eastern equatorial Pacific.

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CC BY 4.0