Search Results - "Kelley, Katherine A"

Water and the Oxidation State of Subduction Zone Magmas by Kelley, Katherine A, Cottrell, Elizabeth

“…Mantle oxygen fugacity exerts a primary control on mass exchange between Earth's surface and interior at subduction zones, but the major factors controlling…”
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The oxidation state of Fe in MORB glasses and the oxygen fugacity of the upper mantle by Cottrell, Elizabeth, Kelley, Katherine A.

“…Micro-analytical determination of Fe3+/∑Fe ratios in mid-ocean ridge basalt (MORB) glasses using micro X-ray absorption near edge structure (μ-XANES)…”
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Redox Heterogeneity in Mid-Ocean Ridge Basalts as a Function of Mantle Source by Cottrell, Elizabeth, Kelley, Katherine A.

“…The oxidation state of Earth's upper mantle both influences and records mantle evolution, but systematic fine-scale variations in upper mantle oxidation state…”
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Covariation of Slab Tracers, Volatiles, and Oxidation During Subduction Initiation by Maryjo Brounce, Mark K. Reagan, Katherine A. Kelley, Elizabeth Cottrell, Kenji Shimizu, Renat Almeev

“…Abstract Subduction‐related lavas have higher Fe3+/∑Fe than midocean ridge basalts (MORB). Hypotheses for this offset include imprint from subducting slabs and…”
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Forearc Peridotites from Tonga Record Heterogeneous Oxidation of the Mantle following Subduction Initiation by Birner, Suzanne K, Warren, Jessica M, Cottrell, Elizabeth, Davis, Fred A, Kelley, Katherine A, Falloon, Trevor J

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Volatile Element Evidence of Local MORB Mantle Heterogeneity Beneath the Southwest Indian Ridge, 48°–51°E by Wei Wang, Katherine A. Kelley, Zhenggang Li, Fengyou Chu, Yunpeng Dong, Ling Chen, Yanhui Dong, Jie Li

“…Abstract The mantle source beneath the Southwest Indian Ridge (SWIR) reflects a complex history of contamination. Magmatic volatile contents are vital tracers…”
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Mantle melting as a function of water content beneath back-arc basins by Kelley, Katherine A., Plank, Terry, Grove, Timothy L., Stolper, Edward M., Newman, Sally, Hauri, Erik

“…Subduction zone magmas are characterized by high concentrations of H2O, presumably derived from the subducted plate and ultimately responsible for melting at…”
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Colorectal Cancer Liver Metastasis: Evolving Paradigms and Future Directions by Zarour, Luai R, Anand, Sudarshan, Billingsley, Kevin G, Bisson, William H, Cercek, Andrea, Clarke, Michael F, Coussens, Lisa M, Gast, Charles E, Geltzeiler, Cristina B, Hansen, Lissi, Kelley, Katherine A, Lopez, Charles D, Rana, Shushan R, Ruhl, Rebecca, Tsikitis, V. Liana, Vaccaro, Gina M, Wong, Melissa H, Mayo, Skye C

“…In patients with colorectal cancer (CRC) that metastasizes to the liver, there are several key goals for improving outcomes including early detection,…”
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Composition of the slab-derived fluids released beneath the Mariana forearc: Evidence for shallow dehydration of the subducting plate by Ribeiro, Julia M., Stern, Robert J., Kelley, Katherine A., Shaw, Alison M., Martinez, Fernando, Ohara, Yasuhiko

“…In cold subduction systems, the downgoing plate is thought to mostly dehydrate (≥90% water) beneath the arc front. However, the composition of aqueous fluids…”
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Nature and distribution of slab‐derived fluids and mantle sources beneath the Southeast Mariana forearc rift by Julia M. Ribeiro, Robert J. Stern, Katherine A. Kelley, Fernando Martinez, Osamu Ishizuka, William I. Manton, Yasuhiko Ohara

“…Subduction zone magmas are produced by melting depleted mantle metasomatized by fluids released from the subducted slab. In most subduction zones, formation of…”
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Diffuse spreading, a newly recognized mode of crustal accretion in the southern Mariana Trough backarc basin by Sleeper, Jonathan D, Martinez, Fernando, Fryer, Patricia, Stern, Robert J, Kelley, Katherine A, Ohara, Yasuhiko

“…South of the latitude of Guam, the Mariana Trough exhibits both trench-parallel and trench-normal extension. In this study, we examined the locus of…”
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The influence of magmatic differentiation on the oxidation state of Fe in a basaltic arc magma by Kelley, Katherine A., Cottrell, Elizabeth

“…Subduction zone basalts are more oxidized than basalts from other tectonic settings (e.g., higher Fe3+/∑Fe), and this contrast may play a central role in the…”
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The effect of primary versus secondary processes on the volatile content of MORB glasses: An example from the equatorial Mid-Atlantic Ridge (5°N-3°S) by Le Voyer, Marion, Cottrell, Elizabeth, Kelley, Katherine A., Brounce, Maryjo, Hauri, Erik H.

“…We report microanalysis of volatile and trace element compositions, as well as Fe3+/ΣFe ratios, from 45 basaltic glasses from cruise RC2806 along the…”
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Diffuse Extension of the Southern Mariana Margin by Martinez, Fernando, Stern, Robert J., Kelley, Katherine A., Ohara, Yashuhiko, Sleeper, Jonathan D., Ribeiro, Julia M., Brounce, Maryjo

“…Extension within the southern Mariana margin occurs both normal to and parallel to the trench. Trench‐normal extension takes place along focused and broad…”
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High water contents in basaltic magmas from Irazú Volcano, Costa Rica by Benjamin, Ezra R., Plank, Terry, Wade, Jennifer A., Kelley, Katherine A., Hauri, Erik H., Alvarado, Guillermo E.

“…Irazú volcano, in Costa Rica, erupts magmas unusually enriched in incompatible trace elements (e.g., K, REE) relative to most other arc volcanoes worldwide…”
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Basaltic volcaniclastics from the Challenger Deep forearc segment, Mariana convergent margin: Implications for tectonics and magmatism of the southernmost Izu-Bonin-Mariana arc by Stern, Robert J., Ren, Minghua, Kelley, Katherine A., Ohara, Yasuhiko, Martinez, Fernando, Bloomer, Sherman H.

“…Convergent margin igneous activity is generally limited to 100–200 km from the trench except where spreading ridges are subducted or in association with…”
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Why do mafic arc magmas contain ∼4wt% water on average? by Plank, Terry, Kelley, Katherine A., Zimmer, Mindy M., Hauri, Erik H., Wallace, Paul J.

“…The last 15yr have seen an explosion of data on the volatile contents of magmas parental to arc volcanoes. This has occurred due to the intense study of melt…”
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How well do we understand our patients’ perioperative experience? A qualitative analysis of themes derived from patient-centric resident conferences by Schepergerdes, Benjamin, Standage, Hayley, Wetzel, Cate, Kelley, Katherine A., Brasel, Karen, Hoops, Heather

“…Patient-centric resident conferences (PCRCs) provide meaningful time to connect with and learn from patients. This qualitative study explores themes of…”
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Arc–Backarc Exchange Along the Tonga–Lau System: Constraints From Volatile Elements by Cooper, Lauren, Plank, Terry, Arculus, Richard, Hauri, Erik, Kelley, Katherine A

“…Abstract Analyses of olivine-, pyroxene- and plagioclase-hosted melt (now preserved as glass) inclusions (MI) in submarine glasses and subaerial scoria from…”
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The role of crustal and eruptive processes versus source variations in controlling the oxidation state of iron in Central Andean magmas by Grocke, Stephanie B., Cottrell, Elizabeth, de Silva, Shanaka, Kelley, Katherine A.

“…The composition of the continental crust is closely tied to subduction zone magmatism. Elevated oxygen fugacity (fO2) plays a central role in fostering…”
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