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IODP Expedition 399 Moisture and Density
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IODP Expedition 399 Moisture and Density

Susan Q. Lang, Andrew McCaig, Peter Blum, Natsue Abe, William Brazelton, Rémi Coltat, Jeremy R. Deans, Kristin L. Dickerson, Marguerite Godard, Barbara E. John, …
International Ocean Discovery Program
05/03/2025
DOI: 10.5281/zenodo.15499087
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https://doi.org/10.5281/zenodo.15499087View
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Abstract

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 105 degrees C. From the moisture and volume measurements, the following phase relationships are calculated: wet and dry water content, wet bulk density, dry bulk density, grain density, porosity, and void ratio. The combination of measurements is defined by the submethod chosen: A, B, C, or D. Wet (A, B, or C) and dry (A, B, C, or D) mass is determined using motion-compensated balances. Wet volume is determined either by helium pycnometry (A) or by the sample's geometric dimensions using calipers (A or D). Dry volume (C or D) is measured by helium pycnometry. Submethods A and B are not recommended by IODP. Submethod C is suitable for saturated materials such as fine-grained sediments. Submethod D is suitable for unsaturated porous material such as certain limestones and basalts.
 Atlantis Massif deep biosphere detachment fault Expedition 399 International Ocean Discovery Program IODP JOIDES Resolution Lost City hydrothermal field peridotite mantle serpentinization Site U1309 Site U1601

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