Search Results - "Langmuir, C"

Central role of detachment faults in accretion of slow-spreading oceanic lithosphere by Cann, J, Escrig, S, Smith, D. K, Schouten, H, Langmuir, C. H, Escartín, J

“…The formation of oceanic detachment faults is well established from inactive, corrugated fault planes exposed on sea floor formed along ridges spreading at…”
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A subduction influence on ocean ridge basalts outside the Pacific subduction shield by Yang, A. Y., Langmuir, C. H., Cai, Y., Michael, P., Goldstein, S. L., Chen, Z.

“…The plate tectonic cycle produces chemically distinct mid-ocean ridge basalts and arc volcanics, with the latter enriched in elements such as Ba, Rb, Th, Sr…”
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The importance of water to oceanic mantle melting regimes by Asimow, P. D, Langmuir, C. H

“…The formation of basaltic crust at mid-ocean ridges and ocean islands provides a window into the compositional and thermal state of the Earth's upper mantle…”
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Magmatic and amagmatic seafloor generation at the ultraslow-spreading Gakkel ridge, Arctic Ocean by Michael, P. J, Langmuir, C. H, Dick, H. J. B, Snow, J. E, Goldstein, S. L, Graham, D. W, Lehnert, K, Kurras, G, Jokat, W, Mühe, R, Edmonds, H. N

“…A high-resolution mapping and sampling study of the Gakkel ridge was accomplished during an international ice-breaker expedition to the high Arctic and North…”
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Author Correction: A subduction influence on ocean ridge basalts outside the Pacific subduction shield by Yang, A. Y., Langmuir, C. H., Cai, Y., Michael, P., Goldstein, S. L., Chen, Z.

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Insights into the mechanism of intermediate-depth earthquakes from source properties as imaged by back projection of multiple seismic phases by Kiser, E., Ishii, M., Langmuir, C. H., Shearer, P. M., Hirose, H.

“…This study investigates the spatial and temporal distribution of energy release of large, intermediate‐depth earthquakes using a modified back projection…”
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Discovery of abundant hydrothermal venting on the ultraslow-spreading Gakkel ridge in the Arctic Ocean by Edmonds, H. N, Michael, P. J, Baker, E. T, Connelly, D. P, Snow, J. E, Langmuir, C. H, Dick, H. J. B, Mühe, R, German, C. R, Graham, D. W

“…Submarine hydrothermal venting along mid-ocean ridges is an important contributor to ridge thermal structure, and the global distribution of such vents has…”
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Vapour undersaturation in primitive mid-ocean-ridge basalt and the volatile content of Earth's upper mantle by Saal, Alberto E, Hauri, Erik H, Langmuir, Charles H, Perfit, Michael R

“…The analysis of volatiles in magmatic systems can be used to constrain the volatile content of the Earth's mantle and the influence that magmatic degassing has…”
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Origin of enriched ocean ridge basalts and implications for mantle dynamics by Donnelly, Kathleen E., Goldstein, Steven L., Langmuir, Charles H., Spiegelman, Marc

“…The Mid-Atlantic Ridge (MAR) south of the Kane Fracture Zone at ∼23°N (the MARK area) is distant from hot spots and a type area for “normal” mid-ocean ridge…”
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Sedimentation, stratigraphy and physical properties of sediment on the Juan de Fuca Ridge by Costa, K.M., McManus, J.F., Boulahanis, B., Carbotte, S.M., Winckler, G., Huybers, P.J., Langmuir, C.H.

“…Sedimentation near mid-ocean ridges may differ from pelagic sedimentation due to the influence of the ridges' rough topography on sediment deposition and…”
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Assimilation of the plutonic roots of the Andean arc controls variations in U-series disequilibria at Volcan Llaima, Chile by Reubi, O., Bourdon, B., Dungan, M.A., Koornneef, J.M., Sellés, D., Langmuir, C.H., Aciego, S.

“…U-series disequilibria provide important constraints on the processes and time scales of melt production, differentiation, and transport in subduction…”
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Timing of volcanism along the northern East Pacific Rise based on paleointensity experiments on basaltic glasses by Carlut, J., Cormier, M.-H., Kent, D. V., Donnelly, K. E., Langmuir, C. H.

“…Samples from two adjacent and contrasting ridge segments along the East Pacific Rise were measured for their magnetic paleointensity in order to further…”
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Tracing trace elements from sediment input to volcanic output at subduction zones by Plank, Terry, Langmuir, Charles H

“…The sedimentary fluxes into eight trenches around the globe of trace elements that are enriched in arc volcanics are presented. Volcanic outputs are shown to…”
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The significance of recycled oceanic mantle lithosphere beneath the Arctic Gakkel Ridge by Yang, A.Y., Langmuir, C.H., Michael, P.J.

“…•WVZ MORB: lower extents of melting of more depleted source towards the SMZ.•SMZ MORB: shallow melting of metasomatized lithosphere with previous melting…”
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Cadmium, indium, tin, tellurium, and sulfur in oceanic basalts: Implications for chalcophile element fractionation in the Earth by Yi, Wen, Halliday, Alex N., Alt, Jeff C., Lee, Der‐Chuen, Rehkämper, Mark, Garcia, Michael O., Langmuir, C. H., Su, Yongjun

“…Concentrations of S, Cd, In, Sn, and Te are reported for 80 samples of mid‐ocean ridge basalt (MORB), submarine and subaerial ocean island basalt (OIB) and…”
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Isotope evidence of a mantle convection boundary at the Australian-Antarctic Discordance by Klein, E. M, Langmuir, C. H, Zindler, A, Staudigel, H, Hamelin, B

“…Basalts from the Southeast Indian Ridge south of Australia form two geographically and isotopically distinct groups that show affinities with either Indian…”
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Cerium/lead and lead isotope ratios in arc magmas and the enrichment of lead in the continents by Miller, Daniel M, Goldstein, Steven L, Langmuir, Charles H

“…Lead is anomalously enriched in the Earth's continental crust, and in magmas that give rise to new continental crust at convergent margins. A detailed study of…”
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Petrological systematics of the Mid-Atlantic Ridge south of Kane: Implications for ocean crust formation by Reynolds, Jennifer R., Langmuir, Charles H.

“…Models of ridge segmentation, mantle flow and melt focusing predict how the chemical compositions of mantle melts should vary along a mid‐ocean ridge axis. The…”
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Feedback between deglaciation, volcanism, and atmospheric CO sub(2) by Huybers, P, Langmuir, C

“…An evaluation of the historical record of volcanic eruptions shows that subaerial volcanism increases globally by two to six times above background levels…”
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Keats: The Two and Thirty Palaces Revisited by Langmuir, Christopher

“…In a famous letter to J. H. Reynolds of Feb 19, 1818, Keats writes 'when Man has arrived at a certain ripeness in intellect any one grand and spiritual passage…”
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