Explanipedia

IODP Expedition 321 Core summary Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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.

IODP Expedition 321 Color reflectance Open

Palike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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 …

IODP Expedition 321 Section summary Open

Palike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Report includes data for individual core sections: coring/drilling depths and recovery, database identifiers for the whole section and section halves, and number of samples taken from the section before and after splitting.

IODP Expedition 321 Section-half images Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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…

IODP Expedition 321 Magnetic remanence (SRM-longcore) Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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…

IODP Expedition 321 Natural gamma radiation Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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 …

IODP Expedition 321 ICP-AES elemental analysis (solids) Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Elemental contents in hard rock and sediment samples was measured by inductively coupled plasma - atomic emission spectrocopy (ICP-AES). Data are presented by element-wavelength pair (e.g., more than one calcium line may be reported). Elem…

IODP Expedition 321 P-wave velocity bayonet (section) Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

P-wave velocity data were measured on undisturbed section halves using pairs of piezoelectric transducers mounted in bayonets that are inserted into soft sediment along the JRSO-defined y-axis and/or z-axis. Report includes P-wave velocity…

IODP Expedition 321 P-wave velocity caliper (section) Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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…

IODP Expedition 321 Alkalinity and pH Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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.

IODP Expedition 321 Inorganic carbon (coulometer) Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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.

IODP Expedition 321 ICP-AES elemental analysis (solids) Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Elemental contents in hard rock and sediment samples was measured by inductively coupled plasma - atomic emission spectrocopy (ICP-AES). Data are presented by element-wavelength pair (e.g., more than one calcium line may be reported). Elem…

IODP Expedition 321 Sample report Open

Palike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Report includes detailed information about samples taken for testing: location/depth, type/form factor, test, request number, and database identifier.

IODP Expedition 321 Core composite images Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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 …

IODP Expedition 321 Salinity Open

Palike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Salinity was measured on interstitial water (IW) samples using an optical refractometer.

IODP Expedition 321 Micropaleontology Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Paleontological data were collected using microscopes and recorded in the JRSO description software. All data for a species group (e.g., diatoms or nannofossils) were collected in a Microsoft Excel worksheet by hole. A zip file of the enti…

IODP Expedition 321 Ion chromatography Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Cation and anion concentration in interstitial water samples was measured by ion chromatography using a conductivity detector. Cation analytes include calcium, magnesium, potassium, and sodium. Anion analytes include chloride, sulfate, and…

IODP Expedition 321 Section-half images Open

Palike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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…

IODP Expedition 321 Ion chromatography Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Cation and anion concentration in interstitial water samples was measured by ion chromatography using a conductivity detector. Cation analytes include calcium, magnesium, potassium, and sodium. Anion analytes include chloride, sulfate, and…

IODP Expedition 321 Visual core description Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Descriptions of samples, generally at the section half and smear slide or thin section scale, were performed by shipboard scientists and recorded in the JRSO description software. Descriptive data for both macroscopic and microscopic exami…

IODP Expedition 321 Magnetic susceptibility (whole round) Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Magnetic susceptibility was measured on whole-round sections (and rarely section halves) on the Whole-Round Multisensor Logger (WRMSL) and/or Special Task Multisensor Logger (STMSL) using a Bartington MS2 meter and a 90 mm or 80 mm MS2C lo…

IODP Expedition 321 Titration Open

Palike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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…

IODP Expedition 321 Stratigraphic Correlation Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Affine and splice files created for stratigraphic correlation.

IODP Expedition 321 Carbonates composite report Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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…

IODP Expedition 321 Elemental analysis (CHNS) Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Fundamental elemental component (total carbon, hydrogen, nitrogen, and sulfur) fluctuations help define the origin, depositional environment, and diagenetic alteration of source materials. To determine C, H, N, and S, solid samples are rea…

IODP Expedition 321 Hole summary Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Report lists hole data: location, water depth, drilling, coring system, and core recovery.

IODP Expedition 321 P-wave velocity bayonet (section) Open

Palike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

P-wave velocity data were measured on undisturbed section halves using pairs of piezoelectric transducers mounted in bayonets that are inserted into soft sediment along the JRSO-defined y-axis and/or z-axis. Report includes P-wave velocity…

IODP Expedition 321 Hole summary Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Report lists hole data: location, water depth, drilling, coring system, and core recovery.

IODP Expedition 321 Natural gamma radiation Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

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 …

IODP Expedition 321 Sample report Open

Pälike Heiko, Lyle Mitchell, Nishi Hiroshi, Raffi Isabella, Gamage, Kusali , et al. · 2010

Report includes detailed information about samples taken for testing: location/depth, type/form factor, test, request number, and database identifier.

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