Search Results - "McDermott, Jill"

Pathways for abiotic organic synthesis at submarine hydrothermal fields by McDermott, Jill M, Jeffrey S. Seewald, Christopher R. German, Sean P. Sylva

“…Arguments for an abiotic origin of low-molecular weight organic compounds in deep-sea hot springs are compelling owing to implications for the sustenance of…”
Get full text

origin of methanethiol in midocean ridge hydrothermal fluids by Reeves, Eoghan P., McDermott, Jill M., Seewald, Jeffrey S.

“…Simple alkyl thiols such as methanethiol (CH ₃SH) are widely speculated to form in seafloor hot spring fluids. Putative CH ₃SH synthesis by abiotic…”
Get full text

Temperature Controls eDNA Persistence across Physicochemical Conditions in Seawater by McCartin, Luke J., Vohsen, Samuel A., Ambrose, Susan W., Layden, Michael, McFadden, Catherine S., Cordes, Erik E., McDermott, Jill M., Herrera, Santiago

“…Environmental DNA (eDNA) quantification and sequencing are emerging techniques for assessing biodiversity in marine ecosystems. Environmental DNA can be…”
Get full text

Abiotic redox reactions in hydrothermal mixing zones: Decreased energy availability for the subsurface biosphere by McDermott, Jill M., Sylva, Sean P., Ono, Shuhei, German, Christopher R., Seewald, Jeffrey S.

“…Subseafloor mixing of high-temperature hot-spring fluids with cold seawater creates intermediate-temperature diffuse fluids that are replete with potential…”
Get full text

Genomic variation in microbial populations inhabiting the marine subseafloor at deep-sea hydrothermal vents by Anderson, Rika E., Reveillaud, Julie, Reddington, Emily, Delmont, Tom O., Eren, A. Murat, McDermott, Jill M., Seewald, Jeff S., Huber, Julie A.

“…Little is known about evolutionary drivers of microbial populations in the warm subseafloor of deep-sea hydrothermal vents. Here we reconstruct 73…”
Get full text

Discovery of active off-axis hydrothermal vents at 9° 54′N East Pacific Rise by McDermott, Jill M., Parnell-Turner, Ross, Barreyre, Thibaut, Herrera, Santiago, Downing, Connor C., Pittoors, Nicole C., Pehr, Kelden, Vohsen, Samuel A., Dowd, William S., Wu, Jyun-Nai, Marjanović, Milena, Fornari, Daniel J.

“…Comprehensive knowledge of the distribution of active hydrothermal vent fields along midocean ridges is essential to understanding global chemical and heat…”
Get full text

The Role of On‐ and Off‐Axis Faults and Fissures During Eruption Cycles and Crustal Accretion at 9°50′N, East Pacific Rise by Wu, Jyun‐Nai, Parnell‐Turner, Ross, Fornari, Daniel J., Berrios‐Rivera, Natalia, Barreyre, Thibaut, McDermott, Jill M.

“…Fissures and faults provide insight into how plate separation is accommodated by magmatism and brittle deformation during crustal accretion. Although fissure…”
Get full text

Extent and Volume of Lava Flows Erupted at 9°50′N, East Pacific Rise in 2005–2006 From Autonomous Underwater Vehicle Surveys by Wu, Jyun‐Nai, Parnell‐Turner, Ross, Fornari, Daniel J., Kurras, Gregory, Berrios‐Rivera, Natalia, Barreyre, Thibaut, McDermott, Jill M.

“…Seafloor volcanic eruptions are difficult to directly observe due to lengthy eruption cycles and the remote location of mid‐ocean ridges. Volcanic eruptions in…”
Get full text

Discovery of active off-axis hydrothermal vents at 9° 54'N East Pacific Rise by McDermott, Jill M, Parnell-Turner, Ross, Barreyre, Thibaut, Herrera, Santiago, Downing, Connor C, Pittoors, Nicole C, Pehr, Kelden, Vohsen, Samuel A, Dowd, William S, Wu, Jyun-Nai, Marjanović, Milena, Fornari, Daniel J

“…Comprehensive knowledge of the distribution of active hydrothermal vent fields along midocean ridges is essential to understanding global chemical and heat…”
Get full text

Clumped isotopologue constraints on the origin of methane at seafloor hot springs by Wang, David T., Reeves, Eoghan P., McDermott, Jill M., Seewald, Jeffrey S., Ono, Shuhei

“…Hot-spring fluids emanating from deep-sea vents hosted in unsedimented ultramafic and mafic rock commonly contain high concentrations of methane. Multiple…”
Get full text

Geochemistry of fluids from Earth’s deepest ridge-crest hot-springs: Piccard hydrothermal field, Mid-Cayman Rise by McDermott, Jill M., Sylva, Sean P., Ono, Shuhei, German, Christopher R., Seewald, Jeffrey S.

“…Hosted in basaltic substrate on the ultra-slow spreading Mid-Cayman Rise, the Piccard hydrothermal field is the deepest currently known seafloor hot-spring…”
Get full text

Identification of sulfur sources and isotopic equilibria in submarine hot-springs using multiple sulfur isotopes by McDermott, Jill M., Ono, Shuhei, Tivey, Margaret K., Seewald, Jeffrey S., Shanks, Wayne C., Solow, Andrew R.

“…Multiple sulfur isotopes were measured in metal sulfide deposits, elemental sulfur, and aqueous hydrogen sulfide to constrain sulfur sources and the isotopic…”
Get full text

Dissolved and particulate organic carbon in hydrothermal plumes from the East Pacific Rise, 9°50'N by BENNETT, Sarah A, STATHAM, Peter J, GREEN, Darryl R. H, LE BRIS, Nadine, MCDERMOTT, Jill M, PRADO, Florencia, ROUXEL, Olivier J, VON DAMM, Karen, GERMAN, Christopher R

“…Chemoautotrophic production in seafloor hydrothermal systems has the potential to provide an important source of organic carbon that is exported to the…”
Get full text

Geochemistry of Hydrothermal Fluids From the E2-Segment of the East Scotia Ridge: Magmatic Input, Reaction Zone Processes, Fluid Mixing Regimes and Bioenergetic Landscapes by Pereira, Samuel I., Diehl, Alexander, McDermott, Jill M., Pape, Thomas, Klose, Lukas, Strauss, Harald, Bohrmann, Gerhard, Bach, Wolfgang

“…The compositions of hydrothermal fluids in back-arc basins (BABs) can be affected by the influx of magmatic fluids into systems that are dominated by reactions…”
Get full text

Tracing ancient hydrogeological fracture network age and compartmentalisation using noble gases by Warr, Oliver, Sherwood Lollar, Barbara, Fellowes, Jonathan, Sutcliffe, Chelsea N., McDermott, Jill M., Holland, Greg, Mabry, Jennifer C., Ballentine, Christopher J.

“…We show that fluid volumes residing within the Precambrian crystalline basement account for ca 30% of the total groundwater inventory of the Earth (> 30…”
Get full text

Potential energy sources for the deep continental biosphere in isolated anoxic brines by Dowd, William S., Schuler, Christopher J., Santelli, Cara M., Toner, Brandy M., Sheik, Cody S., Pehr, Kelden, McDermott, Jill M.

“…•Energy sources for anaerobic microbes are abundant in the deep continental crust.•First identification and quantification of dimethylamine in Precambrian…”
Get full text

Improved biodiversity detection using a large-volume environmental DNA sampler with in situ filtration and implications for marine eDNA sampling strategies by Govindarajan, Annette F., McCartin, Luke, Adams, Allan, Allan, Elizabeth, Belani, Abhimanyu, Francolini, Rene, Fujii, Justin, Gomez-Ibañez, Daniel, Kukulya, Amy, Marin, Fredrick, Tradd, Kaitlyn, Yoerger, Dana R., McDermott, Jill M., Herrera, Santiago

“…Metabarcoding analysis of environmental DNA samples is a promising new tool for marine biodiversity and conservation. Typically, seawater samples are obtained…”
Get full text

Densely populated biofilms and linked iron and sulfur cycles in the fractured-rock continental subsurface by Schuler, Christopher J., Patsis, Amanda, Alexander, Scott C., Hsu, David, Dowd, William S., Lee, Woonghee, Matzen, Sarick L., Marcus, Matthew A., Sheik, Cody S., McDermott, Jill M., Kang, Peter K., Santelli, Cara M., Toner, Brandy M.

“…The deep continental biosphere is supported by chemolithoautotrophy and depends on rock-derived substrates for energy. The majority of microorganisms in these…”
Get full text

Subseafloor microbial communities in hydrogen-rich vent fluids from hydrothermal systems along the Mid-Cayman Rise by Reveillaud, Julie, Reddington, Emily, McDermott, Jill, Algar, Christopher, Meyer, Julie L., Sylva, Sean, Seewald, Jeffrey, German, Christopher R., Huber, Julie A.

“…Summary Warm fluids emanating from hydrothermal vents can be used as windows into the rocky subseafloor habitat and its resident microbial community. Two new…”
Get full text

Significance of Short‐Wavelength Magnetic Anomaly Low Along the East Pacific Rise Axis, 9°50′N by Berrios‐Rivera, Natalia, Gee, Jeffrey S., Parnell‐Turner, Ross, Maher, Sarah, Wu, Jyun‐Nai, Fornari, Daniel, Tivey, Maurice, Marjanović, Milena, Barreyre, Thibaut, McDermott, Jill

“…Magnetic anomaly variations near mid‐ocean ridge spreading centers are sensitive to a variety of crustal accretionary processes as well as geomagnetic field…”
Get full text