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Sr/Ca ratios of Cenozoic benthic foraminifera
A Cenozoic multi-species record of benthic foraminiferal calcite Sr/Ca has been produced and is corrected for interspecific offsets (typically less than 0.3 mmol/mol) and for... -
Neodymium isotope record of late Paleocene to eraly Eocene fish teeth
High-resolution, fish tooth Nd isotopic records for eight Deep Sea Drilling Project and Ocean Drilling Program sites were used to reconstruct the nature of late Paleocene-early... -
Stable isotope composition of early Danian sediments from the Atlantic Ocean
A long-standing question in Paleogene climate concerns the frequency and mechanism of transient greenhouse gas-driven climate shifts (hyperthermals). The discovery of the... -
The evolutionary history of size variation of planktic foraminiferal assembla...
The iterative evolutionary radiation of planktic foraminifers is a well-documented macroevolutionary process. Here we document the accompanying size changes in entire planktic... -
Susceptibility, δ¹³C and Iron of Site 171-1051
Current models of the global carbon cycle lack natural mechanisms to explain known large, transient shifts in past records of the stable carbon-isotope ratio (delta13C) of... -
Stable isotope ratios of foraminifera from ODP Hole 171B-1051B sediments
The primary aim of the this investigation was to examine the stability of subtropical sea-surface temperatures and reconstruct the surface-to-benthos thermal gradient.... -
Mineralogy, geochemistry and elemental ratios of ODP Core 171B-1049C-8X
Inorganic geochemistry and mineralogy of Core 171B-1049C-8X, containing a Cretaceous/Tertiary boundary section, was investigated by X-ray fluorescence (XRF) and X-ray... -
Iron X-ray fluorescence (XRF) scannings of ODP Holes 165-1001A and 171-1050C
Abstract: Ocean Drilling Program Sites 1001A (Caribbean Sea) and 1050C (western North Atlantic) display obliquity and precession cycles throughout polarity zone C27 of the late... -
Foraminiferal oxygen and carbon isotope data for DSDP Sites 32-305 and 62-463...
Oxygen isotope analyses of well-preserved foraminifera from Blake Nose (30°N paleolatitude, North Atlantic) and globally distributed deep-sea sites provide a long-term... -
Determination of sulfite and manganese in sediments from the K/T boundary
The solid-state-physics technique of electron spin resonance (ESR) has been employed in an exploratory study of marine limestones and impact-related deposits from... -
Isotopic record across the Aptian/Albian boundary of ODP Hole 171-1049C
Geochemical analyses of extraordinarily well preserved late Aptian-early Albian foraminifera from Blake Nose (Ocean Drilling Program Site 1049) reveal rapid shifts of d18O,... -
Siliceous microfossil assemblage and accumulation rate variations across the ...
The Middle Eocene Climatic Optimum (MECO; ~ 40 million years ago [Ma]) is one of the most prominent transient global warming events in the Paleogene. Although the event is well... -
Radiolarian chronology and fauna across the middle/late Eocene boundary at OD...
Quantitative radiolarian assemblage analysis has been conducted on middle and upper Eocene sediments (Zones RP16 to RP18) from Ocean Drilling Program Site 1052 in order to... -
Late Albian foraminiferal carbon and oxygen isotope data and biostratigraphic...
A late Albian-early Cenomanian record (~103.3 to 99.0 Ma), including organic-rich deposits and a d13C increase associated with oceanic anoxic event 1d (OAE 1d), is described... -
Early Cenozoic Atlantic and Pacific benthic foraminiferal isotopes from 12 sites
Oxygen and carbon isotope records are important tools used to reconstruct past ocean and climate conditions, with those of benthic foraminifera providing information on the deep... -
Helium isotope ratios and sedimentation rate models of ODP holes
A continuous age model for the brief climate excursion at the Paleocene-Eocene boundary has been constructed by assuming a constant flux of extraterrestrial 3He (3He[ET]) to the... -
Latest Paleocene-earliest Eocene cyclostratigraphy
I present a new method for reconnaissance cyclostratigraphic study of continuously cored boreholes: the generation of detailed sediment color logs by digitizing Ocean Drilling... -
Geochemistry of Eocene sediments from ODP Site 171-1052 on the Black Nose, At...
We use an X-ray fluorescence (XRF) Core Scanner to obtain records of elemental concentrations in sediment cores from Ocean Drilling Program (ODP) Leg 171B, Site 1052 (Blake... -
87Sr/86Sr results for the Maastrichtian samples from ODP Leg 171
Analyses of 87Sr/86Sr in foraminifera and sedimentological observations suggest that the Chicxulub impact was not the trigger for slumps or a hiatus within the Maastrichtian... -
Planktonic foraminiferal biostratigraphy and stable carbon isotope ratios of ...
The muricate planktonic foraminiferal genera Morozovella and Acarinina were abundant and diverse during the upper Palaeocene to middle Eocene and dominated the tropical and...