Explanipedia

A niche for diverse cable bacteria in continental margin sediments overlain by oxygen-deficient waters Open

Caroline P. Slomp, Martijn Hermans, Niels A. G. M. van Helmond, Silke Severmann, James McManus , et al. · 2025

Since the discovery of cable bacteria more than a decade ago, these multicellular, filamentous sulfur-oxidizing bacteria have been found in a range of sedimentary environments. However, their abundance, diversity, and activity in continent…

Abyssal seafloor as a key driver of ocean trace-metal biogeochemical cycles Open

Jianghui Du, Brian A. Haley, James McManus, Patrick Blaser, Jörg Rickli , et al. · 2025

Trace elements and isotopes (TEIs) are important to marine life and are essential tools for studying ocean processes 1 . Two different frameworks have arisen regarding marine TEI cycling: reversible scavenging favours water-column control …

Supplementary material to "A niche for diverse cable bacteria in continental margin sediments overlain by oxygen-deficient waters" Open

Caroline P. Slomp, Martijn Hermans, Niels A. G. M. van Helmond, Silke Severmann, James McManus , et al. · 2025

A niche for diverse cable bacteria in continental margin sediments overlain by oxygen-deficient waters Open

Caroline P. Slomp, Martijn Hermans, Niels A. G. M. van Helmond, Silke Severmann, James McManus , et al. · 2025

Since the discovery of cable bacteria more than a decade ago, these multi-cellular, filamentous sulfur-oxidizing bacteria have been found in a range of sedimentary environments. However, their abundance, diversity and activity in continent…

Nickel's behaviour in marine sediments under aerobic to anaerobic diagenetic conditions Open

Sylvie Bruggmann, James McManus, Corey Archer, Derek Vance, Silke Severmann · 2024

IODP Expedition 392, Hole U1581B - Well Logging Data Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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, …

IODP Expedition 392, Hole U1579D - Well Logging Data Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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, …

IODP Expedition 392, Hole U1579D - Well Logging Data Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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, …

IODP Expedition 392, Hole U1581B - Well Logging Data Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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, …

IODP Expedition 392, Hole U1580A - Well Logging Data Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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, …

IODP Expedition 392, Hole U1580A - Well Logging Data Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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, …

Production and preservation of organic carbon in sub-seafloor tephra layers Open

Jack Longman, Hayley Manners, Thomas Gernon, James McManus, Martin R. Palmer , et al. · 2023

The deposition of volcanic ash into the ocean initiates a range of chemical and biological reactions. During diagenesis, these reactions may enhance the preservation of organic carbon (OC) in marine sediments, which ultimately promotes CO2…

COBRA Master Class: Providing deep-sea expedition leadership training to accelerate early career advancement Open

Randi Rotjan, Katherine L.C. Bell, Julie A. Huber, C.G. Wheat, A. T. Fisher , et al. · 2023

Leading deep-sea research expeditions requires a breadth of training and experience, and the opportunities for Early Career Researchers (ECRs) to obtain focused mentorship on expedition leadership are scarce. To address the need for leader…

IODP Expedition 392 Gas safety report Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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…

IODP Expedition 392 Section summary Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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 392 P-wave velocity logger (whole round) Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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…

IODP Expedition 392 Towed magnetometer Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

Seafloor magnetometer data were measured using a Marine Magnetics 1000 m SeaSpy towed magnetometer. Raw log and data files are presented by expedition.

IODP Expedition 392 Magnetic susceptibility (point or contact system) Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

Magnetic susceptibility was measured on section halves on the Section Half Multisensor Logger (SHMSL) using a Bartington MS2 meter and either a MS2E or MS2K probe. Because all JRSO cores meet minimum size requirements for these two probes,…

IODP Expedition 392 Whole-round core section images Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

Images of the outside of hard rock whole-round sections were acquired using a linescan imager (Section Half Imaging Logger [SHIL]) and a special holder that allows each 90 degree segment of the outer surface to be positioned properly. The …

IODP Expedition 392 Closeup images Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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…

IODP Expedition 392 Section-half images Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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 392 Core drilling summary Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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…

IODP Expedition 392 ICP-AES elemental analysis (solids) Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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 392 Moisture and Density Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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…

IODP Expedition 392 Hole summary Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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

IODP Expedition 392 Inorganic carbon (coulometer) Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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 392 Magnetic susceptibility (whole round) Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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 392 Salinity Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

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

IODP Expedition 392 RGB channels (calculated from core photos) Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

Red, green, and blue pixel data were extracted from Section Half Imaging Logger (SHIL) linescan images, typically binned at 0.5 cm resolution using the central 2 cm of the image.

IODP Expedition 392 Whole-round core section images Open

Gabriele Uenzelmann‐Neben, Steven M. Bohaty, Laurel B. Childress, Odysseas A. Archontikis, Sietske J. Batenburg , et al. · 2023

Images of the outside of hard rock whole-round sections were acquired using a linescan imager (Section Half Imaging Logger [SHIL]) and a special holder that allows each 90 degree segment of the outer surface to be positioned properly. The …

James McManus YOU? Author Swipe