Murphy, Brandi; Lyle, Mitchell; Lyle, Annette Olivarez (2006): Biogenic burial across the Paleocene/Eocene boundary; Ocean Drilling Program Leg 199 Site 1221. Texas A&M University, Ocean Drilling Program, College Station, TX, United States, In: Wilson, Paul A., Lyle, Mitchell W., Janecek, Thomas R., Backman, Jan, Busch, William H., Coxall, Helen K., Faul, Kristina, Gaillot, Philippe, Hovan, Steven A., Knoop, Peter, Kruse, Silke, Lanci, Luca, Lear, Caroline, Moore, Theodore C., Nigrini, Catherine A., Nishi, Hiroshi, Nomura, Ritsuo, Norris, Richard D., Palike, Heiko, Pares, Josep M., Quintin, Lacie, Raffi, Isabella, Rea, Brice R., Steiger, Torsten H., Tripati, Aradhna, Vanden Berg, Michael D., Wade, Bridget, Proceedings of the Ocean Drilling Program; scientific results; Paleogene equatorial transect; covering Leg 199 of the cruises of the drilling vessel JOIDES Resolution; Honolulu, Hawaii, to Honolulu, Hawaii; Sites 1215-1222; 23 October-16 December 2001, 199, georefid:2007-028679

The Paleocene/Eocene (P/E) boundary, at approximately 55 Ma, is characterized by a transient warm period lasting 10,000 yr. This interval is globally characterized by significant chemical and biological signals. Ocean Drilling Program Core 199-1221C-11X captured the P/E boundary section at a depth of 154 meters composite depth. Biogenic components of the sediment were measured across this interval in order to better define the events that occurred at the P/E boundary in the equatorial Pacific Ocean. A 26-cm interval low in CaCO (sub 3) was identified, whereas biogenic silica and organic carbon remained unchanged. Although CaCO (sub 3) , biogenic silica, and organic carbon (C-org) production is controlled by different constraints, it is unlikely that an environmental factor would cease production by CaCO (sub 3) -producing organisms without affecting biogenic silica or C-org production. The data indicate that the CaCO (sub 3) P/E boundary event was caused by a change in CaCO (sub 3) preservation rather than a change in CaCO (sub 3) production.
West: -143.4200 East: -143.4200 North: 12.0200 South: 12.0200
Expedition: 199
Site: 199-1221
Supplemental Information:
Available only on CD-ROM in PDF format and on the Web in PDF or HTML
Data access:
Provider: SEDIS Publication Catalogue
Data set link: (c.f. for more detailed metadata)
Data download: application/pdf
This metadata in ISO19139 XML format