Table T2. Summary of descriptions and measurements made during Expedition 325. (See table notes.)
Greatship Maya, offshore GBR | Onshore Science Party, Bremen |
Core description: | Core description: |
Core catcher description | Split-core visual core description |
Core photography: | Discrete sample moisture and density properties: |
Core catcher photography | Compressional P-wave velocity |
Bulk, dry, and grain density | |
Whole-core multisensor logging: | Water content |
Density | Porosity |
Velocity | |
Magnetic susceptibility | Core photography: |
Electrical resistivity | Photography of massive corals and their specialized splitting |
Geochemistry: | Geochemistry: |
pH by ion-specific electrode | IW analysis by ICP-OES (major and trace elements) |
Alkalinity by single-point titration to pH | IC (chloride, bromide, sulfate, and nitrate) |
Ammonium by flow injection method | Sediment TOC, TC, and TS by LECO (carbon-sulfur analyzer) |
Salinity by refractometer | Sediment mineralogy by XRD |
Downhole logging: | Micropaleontology: |
Spectral natural gamma ray | Benthic foraminifers |
Total natural gamma ray | Planktonic foraminifers |
Full waveform sonic | |
Optical imaging | Other: |
Acoustic imaging | Thermal conductivity |
Caliper | Color reflectance of split-core surface at discrete points |
Magnetic susceptibility | Continuous digital line scanning of split-core surface |
Electrical conductivity | CT scanning (selected cores only) |
Discrete paleomagnetic measurements | |
Discrete magnetic susceptibility measurements |
Notes: IW = interstitial water, ICP-OAES = inductively coupled plasma–optical emission spectroscopy. IC = ion chromatography. TOC = total organic carbon, TC = total carbon, TS = total sulfur. XRD = X-ray diffraction. CT = computed tomography.
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