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View article: IODP Expedition 350, Hole U1437D - Well Logging Data
IODP Expedition 350, Hole U1437D - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: IODP Expedition 350, Hole U1437D - Well Logging Data
IODP Expedition 350, Hole U1437D - Well Logging Data Open
Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …
View article: Tuffaceous Mud is a Volumetrically Important Volcaniclastic Facies of Submarine Arc Volcanism and Record of Climate Change
Tuffaceous Mud is a Volumetrically Important Volcaniclastic Facies of Submarine Arc Volcanism and Record of Climate Change Open
The inorganic portion of tuffaceous mud and mudstone in an oceanic island arc can be mostly volcanic in origin. Consequently, a large volume of submarine volcaniclastic material is as extremely fine‐grained as products of subaerial eruptio…
View article: IODP Expedition 350 Alkalinity and pH
IODP Expedition 350 Alkalinity and pH Open
Alkalinity was determined by Gran titration with an autotitrator (Metrohm 794 basic Titrino) using 0.1 M HCl at 20 degrees C. Report includes alkalinity, correction factor (if applicable), and pH.
View article: IODP Expedition 350 Titration
IODP Expedition 350 Titration Open
Various chemical constituents (most commonly chloride) were measured by titration using either an autotitrator (chloride) or a manual titrator (other compounds). Chloride was measured by ion-selective electrode and a silver nitrate titrati…
View article: IODP Expedition 350 P-wave velocity caliper (section/discrete)
IODP Expedition 350 P-wave velocity caliper (section/discrete) Open
P-wave velocity data were measured on undisturbed section halves (JRSO-defined x-axis) and/or discrete cube and cylinder samples (x, y, or z-axis) using pairs of piezoelectric transducers mounted on a caliper system. Report includes P-wave…
View article: IODP Expedition 350 Bulk Density (GRA)
IODP Expedition 350 Bulk Density (GRA) Open
Gamma ray attenuation (GRA) data were acquired using a Cs-137 collimated source and a sodium iodide (thallium), or NaI(Tl), scintillation detector. The signal was calibrated using water and aluminum standards to provide a proxy for bulk de…
View article: IODP Expedition 350 Color reflectance
IODP Expedition 350 Color reflectance Open
Color reflectance data were measured on section halves using an integration sphere and a UV-VIS spectrophotometer mounted on the Section Half Multisensor Logger (SHMSL). Spectral counts are recorded in the range of 380 to 700 nm, covering …
View article: IODP Expedition 350 Photomicrographs
IODP Expedition 350 Photomicrographs Open
Microscopic images of discrete samples were acquired using stereo and upright light microscopes and captured on digital cameras. Image files were uploaded along with a brief description and a record of the microscopic and lighting conditio…
View article: IODP Expedition 350 Core drilling summary
IODP Expedition 350 Core drilling summary Open
Report includes detailed drilling data for each core: pump(s) used, mud pumped, strokes, shear pins/pressure, bit size/rotation, weight on bit, top drive torque, rate of penetration, core jams, winch and wirelines, core catcher/shoe and ba…
View article: IODP Expedition 350 Moisture and Density
IODP Expedition 350 Moisture and Density Open
Moisture and density (MAD) data were acquired on ~10 mL sediment or rock samples by measuring three out of four material parameters: wet (saturated) mass, wet volume, dry mass, and/or dry volume after 24 h drying in a convection oven at 10…
View article: IODP Expedition 350 Magnetic remanence (SRM-discrete)
IODP Expedition 350 Magnetic remanence (SRM-discrete) Open
Raw data files for the magnetic remanence measurements of discrete and section-half samples on the superconducting rock magnetometer (SRM-DISC and SRM-SECT) are stored on by hole and by expedition, and are designated as discrete samples, s…
View article: IODP Expedition 350 Thin section images
IODP Expedition 350 Thin section images Open
Hard rock and sediment thin section images were acquired using either the JRSO-developed Petrographic Image Capture and Archival Tool (PICAT) imager or (rarely) an upright microscope and a digital camera. Sample images are acquired in unpo…
View article: IODP Expedition 350 Laser height profile (section half)
IODP Expedition 350 Laser height profile (section half) Open
Height profile data were measured on the Section Half Multisensor Logger (SHMSL) by a rangefinding laser and recorded in uncorrected height units in millimeters in CSV files.
View article: IODP Expedition 350 Closeup images
IODP Expedition 350 Closeup images Open
Close-up images taken by digital cameras as requested by the science party, typically when the section-half image is not sufficient. Close-up photographs of the areas of interest may be taken from whole-round sections, pieces, or section h…
View article: IODP Expedition 350 Core composite images
IODP Expedition 350 Core composite images Open
A digital composite image (PNG) is made for each core comprising core sections scanned using a line-scan camera. The composite layout is equivalent to traditional core table photos. Top left is top of core; color and meter rule references …
View article: IODP Expedition 350 Section-half images
IODP Expedition 350 Section-half images Open
Digital section images were taken of the flat face of split cores on the Section Half Imaging Logger (SHIL) using a linescan camera at a resolution of 20 lines/mm (50 micron pixels). Cores were imaged as soon as possible after splitting to…
View article: IODP Expedition 350 P-wave velocity logger (whole round)
IODP Expedition 350 P-wave velocity logger (whole round) Open
P-wave velocity data were measured on whole-round sections on the Whole-Round Multisensor Logger (WRMSL) using pairs of piezoelectric transducers mounted on a caliper system. Measurements may be affected by degassing of pore fluid and micr…
View article: IODP Expedition 350 Sample report
IODP Expedition 350 Sample report Open
Report includes detailed information about samples taken for testing: location/depth, type/form factor, test, request number, and database identifier.
View article: IODP Expedition 350 Natural gamma radiation
IODP Expedition 350 Natural gamma radiation Open
Natural gamma radiation (NGR) data in the ~0.1 to 3.0 MeV range were measured using eight custom-designed sodium iodide (thallium) [NaI(Tl)] detectors arranged along the core measurement axis at 20 cm intervals. The NGR system uses layers …
View article: IODP Expedition 350 Gas safety report
IODP Expedition 350 Gas safety report Open
This composite report returns data from two different gas chromatograph configurations (GC3 and NGA). Each row combines data from several measurements made on the same sample at the same time for a particular headspace or vacutainer sample…
View article: IODP Expedition 350 ICP-AES elemental analysis (interstitial water)
IODP Expedition 350 ICP-AES elemental analysis (interstitial water) Open
Elemental concentration in interstitial water samples was measured by inductively coupled plasma - atomic emission spectroscopy (ICP-AES). Data are presented by element-wavelength pair (e.g., more than one calcium line may be reported). El…
View article: IODP Expedition 350 Carbonates composite report
IODP Expedition 350 Carbonates composite report Open
This composite report includes data from two analyses (total carbon from Elemental analysis [CHNS], and inorganic carbon from [Coulometer]). Each row combines the CHNS and Coulometer data from measurements made on the same sample at the sa…
View article: IODP Expedition 350 Moisture and Density
IODP Expedition 350 Moisture and Density Open
Moisture and density (MAD) data were acquired on ~10 mL sediment or rock samples by measuring three out of four material parameters: wet (saturated) mass, wet volume, dry mass, and/or dry volume after 24 h drying in a convection oven at 10…
View article: IODP Expedition 350 Core orientation
IODP Expedition 350 Core orientation Open
Core orientation data were measured downhole during advanced piston corer (APC) coring, either by Minex FlexIT or Icefield MI-5 core orientation tool. These tools measure magnetic strength and orientation, 3-axis accelerometer data, and to…
View article: IODP Expedition 350 Inorganic carbon (coulometer)
IODP Expedition 350 Inorganic carbon (coulometer) Open
Inorganic carbon (carbonate) is determined by coulometry, which uses a photodetection cell to measure carbon dioxide evolved during sample acidification. Report includes percent inorganic carbon and calcium carbonate.
View article: IODP Expedition 350 Core summary
IODP Expedition 350 Core summary Open
Report includes detailed core data: drilling and coring depths, advancement, recovered core length measured on the catwalk and final curated length, core recovery, and sections cut.
View article: IODP Expedition 350 Gas safety report
IODP Expedition 350 Gas safety report Open
This composite report returns data from two different gas chromatograph configurations (GC3 and NGA). Each row combines data from several measurements made on the same sample at the same time for a particular headspace or vacutainer sample…
View article: IODP Expedition 350 Closeup images
IODP Expedition 350 Closeup images Open
Close-up images taken by digital cameras as requested by the science party, typically when the section-half image is not sufficient. Close-up photographs of the areas of interest may be taken from whole-round sections, pieces, or section h…
View article: IODP Expedition 350 Magnetic remanence (SRM-longcore)
IODP Expedition 350 Magnetic remanence (SRM-longcore) Open
Magnetic remanence was measured on section halves (and rarely on whole-round sections) using a 2G Enterprises 760R cryogenic magnetometer, first as natural remanent magnetization (NRM) and then after demagnetization steps were performed on…