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Late Lutetian Thermal Maximum - crossing a thermal threshold in Earth's clima...
Recognizing and deciphering transient global warming events triggered by massive release of carbon into Earth's ocean-atmosphere climate system in the past are important for... -
Volcanic ash layer description and thickness analysis from different DSDP, OD...
Ocean drilling provides a global record of deposits throughout the oceans. An international collaborative ocean research programme was established in 1966, and the International... -
Eocene cooling linked to early flow across the Tasmanian Gateway
The warmest global temperatures of the past 85 million years occurred during a prolonged greenhouse episode known as the Early Eocene Climatic Optimum (52-50 Ma). The Early... -
Compaction curves and sediment characteristics of ODP Leg 165 and Leg 130 sites
Compaction curves for 11 samples from the mixed sediments and calcareous chalk with clay from the Caribbean Sites 999 and 1001 are discussed with reference to compaction curves... -
Carbonate compensation depth (CCD) reconstruction of the equatorial Pacific
Atmospheric carbon dioxide concentrations and climate are regulated on geological timescales by the balance between carbon input from volcanic and metamorphic outgassing and its... -
Age-depth correlations for Ontong Java Plateau sites
We used well logs, in some cases combined with shipboard physical properties measurements to make more complete profiles and to correlate between sites on the Ontong Java... -
Accumulation rates of bulk sediment and total organic carbon for Ontong Java ...
Organic geochemical investigations were performed on sediments of Leg 130 to reconstruct the depositional environment of the Ontong Java Plateau. The Miocene to Quaternary... -
Bulk calcite minor element composition of ODP Leg 130 samples
We investigated minor element ratios (Sr/Ca and Mg/Ca) in bulk sediment samples from Sites 803-807 using a recently optimized sample treatment protocol for... -
Stable isotope composition of Neogene planktonic foraminifera from ODP Leg 13...
We produced a preliminary record for shallow-dwelling planktonic foraminifer d18O at Site 807 for the late Pleistocene, early Pliocene, and early Miocene. Site 807 d18O values... -
Neogene calcareous nannofossil abundances and biostratigraphy of the Ontong J...
A total of 35 calcareous nannofossil datums were found in the Neogene sediments recovered at five sites (Sites 803-807) on the Ontong Java Plateau in the equatorial Pacific... -
Lower to middle Miocene calcareous nannofossil events from the Ontong Java Pl...
Uppermost Oligocene through middle Miocene calcareous nannofossil events that were considered potentially useful from a biostratigraphic point of view have been investigated... -
Foraminifera abundances and biostratigraphy of Cenozoic sediments from the On...
The Ontong Java Plateau in the western equatorial Pacific contains a deposition record of biserial planktonic foraminifers concentrated in the Paleogene, in which frequencies up... -
Phosphorus concentrations and accumulation rates of ODP Leg 130 sites
Little is known about the fluxes to and from the ocean during the Cenozoic of phosphorus (P), a limiting nutrient for oceanic primary productivity and organic carbon burial on... -
Calcium concentrations and isotopic composition in carbonates and porefluids ...
The calcium isotopic compositions (d44Ca) of 30 high-purity nannofossil ooze and chalk and 7 pore fluid samples from ODP Site 807A (Ontong Java Plateau) are used in conjunction... -
Chemical and Sr isotopic compositions of pore fluids and marine carbonates fr...
The 87Sr/86Sr ratios and Sr concentrations in sediment and pore fluids are used to evaluate the rates of calcite recrystallization at ODP Site 807A on the Ontong Java Plateau,... -
Strontium and neodymium concentrations and isotope compositions in fossil fis...
We analyzed Nd and Sr isotopic compositions of Neogene fossil fish teeth from two sites in the Pacific in order to determine the effect of cleaning protocols and burial... -
Strontium isotope ratios and concentrations in fossil fish teeth
We analyzed 87Sr/86Sr ratios in foraminifera, pore fluids, and fish teeth for samples ranging in age from Eocene to Pleistocene from four Ocean Drilling Program sites... -
Phosphorus partition and acumulation rates in sediments of ODP Legs 130 and 138
Understanding phosphorus (P) geochemistry and burial in oceanic sediments is important because of the role of P for modulating oceanic productivity on long timescales. We... -
Neodymium isotope record of the past 25 Ma in the Indian Ocean
Changes in ancient oceanic current patterns have been strongly influenced by plate tectonics, particularly by the opening or closing of gateways between different oceans. Such... -
Benthic foraminiferal assemblages and paleoproductivity reconstructions for t...
We analyzed foraminiferal and nannofossil assemblages and stable isotopes in samples from ODP Hole 807A on the Ontong Java Plateau in order to evaluate productivity and...