-
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Chemical and isotope compositions of sediments from DSDP Hole 86-576A and Cor...
A record of changes in Pb and Sr isotopic composition of two cores (DSDP 86-576A and LL44- GPC-3) from the red clay region of the central North Pacific has been determined for... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Carbon geochemistry in serpentinites from and beneath the Lost City Hydrother...
The carbon geochemistry of serpentinized peridotites and gabbroic rocks recovered at the Lost City Hydrothermal Field (LCHF) and drilled at IODP Hole 1309D at the central dome... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Isotopic composition of carbonates from the Logachev Hydrothermal Field, MAR ...
We investigate the Logatchev Hydrothermal Field at the Mid-Atlantic Ridge, 14°45' N to constrain the calcium isotope hydrothermal flux into the ocean. During the transformation... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Concentrations and isotopic ratios of thorium and uranium in pelagic sediments
The predictable in situ production of 230Th from the decay of uranium in seawater, and its subsequent removal by scavenging onto falling particles, provides a valuable tool for... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Composition of drilled sediments and pore waters from the continental slope o...
Pore waters were analyzed from 6 holes drilled from M.V. “Eureka” as a part of the Shell Oil Co. deeper offshore study. The holes were drilled in water depths of 600-3000 ft.... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Calcium isotopic composition of planktonic foraminifera from ODP Site 154-925
An 18 million year record of the Ca isotopic composition (d44/42Ca) of planktonic foraminiferans from ODP site 925, in the Atlantic, on the Ceara Rise, provides the opportunity... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Osmium isotopic composition and platinum group element concentrations in sedi...
Paired analyses of Os isotope composition and concentration of bulk sediment and leachable Os in a metalliferous pelagic clay sequence from the North Pacific, ODP Site 886C, are... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Nitrogen isotopic composition and chemical composition of altered oceanic cru...
Knowledge of the subduction input flux of nitrogen (N) in altered oceanic crust (AOC) is critical in any attempt to mass-balance N across arc-trench systems on a global or... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
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... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Chemical composition of altered volcanic rocks from ODP Sites 193-1188 and 19...
The conventional model of leaching volcanic rocks as a source of metals in a seafloor hydrothermal systems has been tested by examining the behavior of Pb and other trace... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Helium-3 in different carriers from pelagic clays of DSDP Hole 91-596B and Co...
To better understand the composition, characteristics of helium diffusion, and size distribution of interplanetary dust particles (IDPs) responsible for the long-term retention... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Concentrations of trace elements, 10Be, and 26Al in marine opal from sediment...
Here, we provide evidence suggesting that marine (diatom) opal contains not only a high fidelity record of dissolved oceanic concentrations of cosmic ray-produced radionuclides,... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Iron and phosphorus speciations in DSDP Leg 92 sediments
We present a detailed study of the co-diagenesis of Fe and P in hydrothermal plume fallout sediments from ~19°S on the southern East Pacific Rise. Three distal sediment cores... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Chemical and germanium isotopic compositions of sediments and sedimentary roc...
A new technique for the precise and accurate determination of Ge stable isotope compositions has been developed and applied to silicate rocks and biogenic opal. The analyses... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
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,... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Concentrations and isotopic compositions of low molecular weight hydrocarbons...
The presence of sedimentary organic matter blanketing midocean ridge crests has a potentially strong impact on metal transport in hydrothermal vent fluids. To constrain the role... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Strontium concentrations and isotopic compositions of anhydrites from the TAG...
Sr isotope analyses have been conducted on anhydrite samples from the TAG (Trans-Atlantic Geotraverse) active hydrothermal mound (26°08?N, Mid-Atlantic Ridge) that have... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Platinum-group, major, and trace element abundances in ODP Leg 183 basalts
Seventeen basalts from Ocean Drilling Program (ODP) Leg 183 to the Kerguelen Plateau (KP) were analyzed for the platinum-group elements (PGEs: Ir, Ru, Rh, Pt, and Pd), and 15... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Molecular and isotopic properties of gases from ODP Holes of ODP Leg 204
We report and discuss molecular and isotopic properties of hydrate-bound gases from 55 samples and void gases from 494 samples collected during Ocean Drilling Program (ODP) Leg... -
PANGAEA (Data Publisher for Earth & Environmental Science)
Imported
Mineral, chemical and isotopic compositions of altered rocks at ODP Sites 193...
During ODP Leg 193, 4 sites were drilled in the active PACMANUS hydrothermal field on the crest of the felsic Pual Ridge to examine the vertical and lateral variations in...
