Search Results - "Watson, EBruce"

Zircon saturation re-revisited by Boehnke, Patrick, Watson, E. Bruce, Trail, Dustin, Harrison, T. Mark, Schmitt, Axel K.

“…Improvements in experimental, analytical and computational methodologies together with published studies yielding seemingly contradictory results prompted us…”
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Oxygen isotope fractionation between calcite and fluid as a function of growth rate and temperature: An in situ study by Gabitov, Rinat I., Watson, E. Bruce, Sadekov, Aleksey

“…The 18O content of carbonates (expressed as δ18O) is widely used in paleothermometry, yet it is clear from comparison of experimental results and natural…”
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Li zoning in zircon as a potential geospeedometer and peak temperature indicator by Trail, Dustin, Cherniak, Daniele J., Watson, E. Bruce, Harrison, T. Mark, Weiss, Benjamin P., Szumila, Ian

“…Zircon Li concentrations and δ 7 Li values may potentially trace crustal recycling because continental and mantle-derived zircons yield distinct values. The…”
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Th and U partitioning between monazite and felsic melt by Xing, Lingbo, Trail, Dustin, Watson, E. Bruce

“…We present experimental measurements of monazite/melt partition coefficients (Kmonz/melt) for thorium (Th) and uranium (U) in haplogranitic Na2O–Al2O3–SiO2…”
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Redox evolution of silicic magmas: Insights from XANES measurements of Ce valence in Bishop Tuff zircons by Trail, Dustin, Tailby, Nicholas D., Lanzirotti, Antonio, Newville, Matthew, Thomas, Jay B., Watson, E. Bruce

“…The potential for zircon to record continuous and evolving magmatic redox conditions is investigated by quantifying Ce valence in natural and synthetic…”
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RNA Oligomerization in Laboratory Analogues of Alkaline Hydrothermal Vent Systems by Burcar, Bradley T, Barge, Laura M, Trail, Dustin, Watson, E Bruce, Russell, Michael J, McGown, Linda B

“…Discovering pathways leading to long-chain RNA formation under feasible prebiotic conditions is an essential step toward demonstrating the viability of the RNA…”
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Isotope fractionation of Li and K in silicate liquids by Soret diffusion by Richter, Frank M., Bruce Watson, E., Chaussidon, Marc, Mendybaev, Ruslan, Christensen, John N., Qiu, Lin

“…Laboratory experiments were used to determine the thermal (Soret) isotopic fractionation of lithium and potassium in a basalt melt, which adds elements with…”
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A diffusion mechanism for core-mantle interaction by Hayden, Leslie A, Watson, E. Bruce

“…Understanding the geochemical behaviour of the siderophile elements - those tending to form alloys with iron in natural environments - is important in the…”
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Impact thermochronology and the age of Haughton impact structure, Canada by Young, Kelsey E., van Soest, Matthijs C., Hodges, Kip V., Watson, E. Bruce, Adams, Byron A., Lee, Pascal

“…Most successful efforts to determine the ages of impact events are based on the isotope geochronology of crystalline or glassy impact melts. Studies of impact…”
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Argon diffusion in Apollo 16 impact glass spherules: Implications for super(40)Ar/ super(39)Ar dating of lunar impact events by Gombosi, David J, Baldwin, Suzanne L, Watson, EBruce, Swindle, Timothy D, Delano, John W, Roberge, Wayne G

“…The super(40)Ar/ super(39)Ar technique applied to impact glass has been used to date both terrestrial and lunar impact events. The ability to utilize the…”
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Retention of biosignatures and mass-independent fractionations in pyrite: Self-diffusion of sulfur by Watson, E. Bruce, Cherniak, Daniele J., Frank, Elizabeth A.

“…Self-diffusion of sulfur in pyrite (FeS 2) was characterized over the temperature range ∼500–725 °C (∼1 bar pressure) by immersing natural specimens in a bath…”
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Hydrogen formation observed during high pressure treatment of silica glass by Li, Chia-Ying, Price, Jonathan, Tomozawa, Minoru, Watson, E. Bruce

“…Silica glass treated at high pressures and temperatures (1–3 GPa, 1100–1250 °C) in a solid-media pressure apparatus incorporated observable quantities of…”
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Grain boundary wetness of texturally equilibrated rocks, with implications for seismic properties of the upper mantle by Yoshino, Takashi, Takei, Yasuko, Wark, David A., Watson, E. Bruce

“…Melt‐ or fluid‐filled pore geometry in texturally equilibrated aggregates characterized by various dihedral angles and degrees of faceting was investigated…”
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super(40)Ar retention in the terrestrial planets by Watson, EBruce, Thomas, Jay B, Cherniak, Daniele J

“…The solid Earth is widely believed to have lost its original gases through a combination of early catastrophic release and regulated output over geologic time…”
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Low melt fraction connectivity of granitic and tonalitic melts in a mafic crustal rock at 800 degree C and 1 GPa by Lupulescu, Afina, Watson, EBruce

“…In the absence of an externally applied stress, the segregation of small amounts of granitic or tonalitic melts from their residual mafic crystals is possible…”
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