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Geochemistry of Cretaceous sills and lava flows of ODP Holes 129-800A and 129...
On the basis of their respective eruptive environments and chemical characteristics, alkalic dolerite sills from the northern Pigafetta Basin (Site 800) and tholeiitic pillow... -
Mineral chemistry of primary and secondary phases in basaltic rocks
Primary magmatic phases (spinel, olivine, plagioclase, clinopyroxene, amphibole, and biotite) and secondary phyllosilicates (smectite, chlorite-smectite, and celadonite) were... -
Hydrogen isotope composition of pore waters and interlayer water in sediments...
Hydrogen isotope compositions have been measured on pore waters from sediments of Leg 129 sites in the Pigafetta and East Mariana basins (central western Pacific). Total water... -
Element and Sr isotope composition of interstitial waters in sediments of ODP...
Interstitial water samples from Leg 129, Sites 800, 801, and 802 in the Pigafetta and Mariana basins (central western Pacific), have been analyzed for major elements, B, Li, Mn,... -
Fission track analyses of ODP Hole 129-800A samples
Four models of fission track annealing in apatite are compared with measured fission track lengths in samples from Site 800 in the East Mariana Basin, Ocean Drilling Program Leg... -
Mineralogy and geochemistry of Miocene tuff from ODP Hole 129-802A
Drilling at Ocean Drilling Program Site 802 in the central Mariana Basin, northwest Pacific Ocean, revealed an unexpected 222-m-thick sequence of well-cemented tuff of Miocene... -
Mineralogy, lithology and stable isotope composition of diagenetic siliceous ...
Ocean Drilling Program Leg 129 recovered chert, porcellanite, and radiolarite from Middle Jurassic to lower Miocene strata from the western Pacific that formed by different... -
Sedimentology and geochemistry of ODP Leg 129 siliceous deposits
Siliceous deposits drilled on Ocean Drilling Program Leg 129 accumulated within a few degrees of the equator during the Jurassic through early Tertiary, as constrained by... -
Mineralogy and chemical composition of ODP Sites 129-800 and 129-801
Sites 800 and 801 in the Pigafetta Basin allow the sedimentary history over the oldest remaining Pacific oceanic crust to be established. Six major deposition stages and events... -
Geochemistry of volcaniclastites of the western Pacific Ocean
Samples collected from the coarse basal portions of mid-Cretaceous volcaniclastic turbidites from the Mariana and Pigafetta basins are remarkably similar in terms of the... -
Upper Cretaceous agglutinated foraminifers from the western Pacific Ocean
Abyssal agglutinated foraminifers allow biostratigraphic correlation of Upper Cretaceous brown zeolitic claystones in Deep Sea Drilling Project Holes 196A and 198A and Ocean... -
Spores, pollen and dinoflagellates in Cretaceous sediments of ODP Hole 129-802A
Lower Cretaceous and Jurassic sediments from Ocean Drilling Program Leg 129 (Sites 800, 801, and 802) and Deep Sea Drilling Project Sites 167, 195, 196, and 463 were analyzed... -
Mesozoic radiolarians of ODP Holes 129-800A and 129-801B
Rich radiolarian faunas were obtained continuously from Middle Jurassic to Lower Cretaceous radiolarite sequences at Sites 800 and 801, drilled during Ocean Drilling Program Leg... -
Calcareous nannofossil abundances in Mesozoic sediments of ODP Leg 129 holes
Calcareous nannofossils were studied from Jurassic and Cretaceous sediments drilled in the western Pacific during Ocean Drilling Program Leg 129. Mesozoic sediments at Sites... -
Geochemistry of the oceanic crust from ocean drilling samples
This book presents new data on chemical and mineral compositions and on density of altered and fresh igneous rocks from key DSDP and ODP holes drilled on the following main... -
Chlorine concentration and isotopic data for sediments and serpentine seamoun...
Chlorine isotope ratios were determined for volcanic gas, geothermal well, ash, and lava samples along the Izu-Bonin-Mariana volcanic front, serpentinite clasts and muds from... -
Element concentrations and isotopic composition of tholeiite and whole rocks ...
Studies of seafloor magnetic anomaly patterns suggest the presence of Jurassic oceanic crust in a large area in the western Pacific that includes the East Mariana, Nauru and... -
Magnetic properties of Cenozoic MORB and Cretaceous MORB from DSDP and ODP holes
The fact that the natural remanent magnetization (NRM) intensity of mid-oceanic-ridge basalt (MORB) samples shows systematic variations as a function of age has long been... -
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... -
Geochemistry of volcanic glass from ODP holes 129-801C and 185-801C in the we...
Major element chemistry of basalt from the southern East Pacific Rise (EPR) is different from that of the EPR at the time of the formation of the Pacific Plate at 170 Ma.Glass...