JOIDES Journal 27(2)
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Active continental extension : The Woodlark Basin
n October 1995, a four-day multi channel seismic and bottom sampling survey was conducted aboard the R/V Ewing in the Pacific’s western Woodlark Basin. This site augmentation effort, supported by USSSP, was associated with JOIDES Proposal #447. New data from this survey provide further evidence for active extension on a low-angle (~25) normal fault but do not support a metamorphic core complex ...
متن کاملMethods for Quantifying Potential Microbial Contamination during Deep Ocean Coring
INTRODUCTION The Ocean Drilling Program (ODP) is committed to deep-biosphere research and has constructed a new microbiological laboratory on board the JOIDES Resolution. The use of the JOIDES Resolution as a platform for deep-biosphere research requires that the recovered cores are suitable for microbiological study. The major concern is whether microbes from the drilling fluid are introduced ...
متن کامل“In-Situ Sampling and Characterization of Naturally Occurring Marine Methane Hydrate Using the D/V JOIDES Resolution.” DOE COOPERATIVE AGREEMENT: DE-FC26-01NT41329
The primary accomplishments of the JOI Cooperative Agreement with DOE/NETL were the deployment of specialized tools and measurement systems for use on ODP Leg 204, which studied hydrate deposits on Hydrate Ridge, offshore Oregon. Earlier deployments of these tools on ODP Leg 201 (Peru Margin) were made to prepare the tools and measurement systems for extensive use on ODP Leg 204. Prior to under...
متن کامل2. Morphology and Alteration of the Upper Oceanic Crust from In-situ Electrical Experiments in Dsdp/odp Hole 504b
During ODP Leg 111, the drillship JOIDES Resolution returned to DSDP Hole 504B, on the south flank of the Costa Rica Rift. The main objective of Leg 111 was the study of the physical and chemical structure of young oceanic crust in the deepest hole yet drilled into the oceanic crust. In addition to the drilling of an additional 212.3 m into the massive units of Layer 2C, Leg 111 provided the op...
متن کامل13. Grape Density Records and Density Cyclicity
The gamma-ray attenuation porosity evaluator (GRAPE) component of the multisensor track (MST) unit on board the JOIDES Resolution measures the saturated bulk density of sediments by relating the attenuation of gamma rays in a core sample to that of a standard with known density (aluminum). After reaching thermal equilibrium, unsplit core sections are routinely run through the MST system. The sa...
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تاریخ انتشار 2001