Search Results - "MOTTL, M. J"

Hydrothermal recharge and discharge across 50 km guided by seamounts on a young ridge flank by Fisher, A. T, Davis, E. E, Hutnak, M, Spiess, V, Zühlsdorff, L, Cherkaoui, A, Christiansen, L, Edwards, K, Macdonald, R, Villinger, H, Mottl, M. J, Wheat, C. G, Becker, K

“…Hydrothermal circulation within the sea floor, through lithosphere older than one million years (Myr), is responsible for 30% of the energy released from plate…”
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IODP Expedition 331: Strong and Expansive Subseafloor Hydrothermal Activities in the Okinawa Trough by Takai, K., Mottl, M. J., Nielsen, S. H. H.

“…Integrated Ocean Drilling Program (IODP) Expedition 331 drilled into the Iheya North hydrothermal system in the middle Okinawa Trough in order to investigate…”
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Hydrothermal recharge and discharge across 50 km guided by seamounts on a young ridge flank by FISHER, A. T, DAVIS, E. E, MOTTL, M. J, WHEAT, C. G, BECKER, K, HUTNAK, M, SPLESS, V, ZÜHLSDORFF, L, CHERKAOUI, A, CHRISTIANSEN, L, EDWARDS, K, MACDONALD, R, VILLINGER, H

“…Hydrothermal circulation within the sea floor, through lithosphere older than one million years (Myr), is responsible for 30% of the energy released from plate…”
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Geomicrobiology of Deep-Sea Hydrothermal Vents by Jannasch, Holger W., Mottl, Michael J.

“…During the cycling of seawater through the earth's crust along the midocean ridge system, geothermal energy is transferred into chemical energy in the form of…”
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Chemistry of springs across the Mariana forearc shows progressive devolatilization of the subducting plate by Mottl, Michael J., Wheat, C. Geoffrey, Fryer, Patricia, Gharib, Jim, Martin, Jonathan B.

“…Cold springs upwelling through large serpentinite mud volcanoes in the outer half of the Mariana forearc provide a unique window into processes of…”
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Petrology of Baby Bare and Mama Bare lavas by Karsten, J. L., Becker, N., Mottl, M. J., Wheat, C. G.

“…The Three Bares are small volcanoes that host the only‐known hydrothermal vents active in oceanic crust older than 2 Ma. Major element data for Baby and Mama…”
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Oceanic phosphorus imbalance: Magnitude of the mid-ocean ridge flank hydrothermal sink by Wheat, C. Geoffrey, McManus, James, Mottl, Michael J., Giambalvo, Emily

“…We present a new estimate for the crustal phosphorous sink that results from reactions among seawater, basalt, and sediment blanketing low temperature…”
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Fluid and geochemical transport through oceanic crust: a transect across the eastern flank of the Juan de Fuca Ridge by Elderfield, H., Wheat, C.G., Mottl, M.J., Monnin, C., Spiro, B.

“…The geochemical implications of thermally driven flow of seawater through oceanic crust on the mid-ocean ridge flank have been examined on a well-studied 80 km…”
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Chemical composition of basement fluids within an oceanic ridge flank: Implications for along-strike and across-strike hydrothermal circulation by Wheat, C. Geoffrey, Elderfield, Henry, Mottl, Michael J., Monnin, Christophe

“…Compositions of basement fluids are presented for four sites along a 3.5‐m.y.‐ old, partly buried basement ridge on the eastern flank of the Juan de Fuca…”
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Phosphate removal by oceanic hydrothermal processes: An update of the phosphorus budget in the oceans by Geoffrey Wheat, C., Feely, Richard A., Mottl, Michael J.

“…We present a compilation of dissolved phosphate and solid-phase P data from the oceanic crust to evaluate the effects of hydrothermal processes on the oceanic…”
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Evidence for basaltic Sr in midocean ridge-flank hydrothermal systems and implications for the global oceanic Sr isotope balance by Butterfield, David A, Nelson, Bruce K, Wheat, C.Geoffrey, Mottl, Michael J, Roe, Kevin K

“…Previous models and calculations of the global mass balance of Sr in the oceans have shown that the input of unradiogenic basaltic Sr from on-axis midocean…”
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DSDP Hole 504B, the first reference section over 1 km through Layer 2 of the oceanic crust by Anderson, R. N, Honnorez, J, Becker, K, Adamson, A. C, Alt, J. C, Emmermann, R, Kempton, P. D, Kinoshita, H, Laverne, C, Mottl, M. J, Newmark, R. L

“…Hole 504B provides a reference section for correlation of in situ petrological and geophysical studies with regional crustal models based on dredged samples…”
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Acoustic imaging of high-temperature hydrothermal plumes at seafloor spreading centers by PALMER, D. R, RONA, P. A, MOTTL, M. J

“…We explore the possibility of using active sonar techniques to acoustically image high-temperature ‘‘black smoker’’ hydrothermal plumes. We examine recent…”
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Seawater/basalt ratio effects on the chemistry and mineralogy of spilites from the ocean floor by SEYFRIED, W. E, MOTTL, M. J, BlSCHOFF, J. L

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In situ electrical resistivity and bulk porosity of the oceanic crust Costa Rica Rift by Becker, Keir, Von Herzen, R. P, Francis, T. J. G, Anderson, R. N, Honnorez, J, Adamson, A. C, Alt, J. C, Emmermann, R, Kempton, P. D, Kinoshita, H, Laverne, C, Mottl, M. J, Newmark, R. L

“…In situ electrical resistivity was measured in DSDP Hole 504B to a depth of 1,013 m into oceanic basement. Apparent resistivities are about 10 Omega m in about…”
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Chemical plumes from low-temperature hydrothermal venting on the eastern flank of the Juan de Fuca Ridge by Wheat, C. Geoffrey, Mottl, Michael J., Baker, Edward T., Feely, Richard A., Lupton, John E., Sansone, Francis J., Resing, Joseph A., Lebon, Geoff T., Becker, Nathan C.

“…We report evidence for chemical anomalies in the water column from low‐temperature ridge‐flank hydrothermal venting. During cruises in 1992 and 1994, samples…”
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IODP Expedition 331: Strong and Expansive Subseafloor Hydrothermal Activities in the Okinawa Trough by TAKAI, Ken, MOTTL, Michael J, NIELSEN, Simon H. H

“…Integrated Ocean Drilling Program (IODP) Expedition 331 drilled into the Iheya North hydrothermal system in the middle Okinawa Trough in order to investigate…”
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Composition of pore and spring waters from Baby Bare: global implications of geochemical fluxes from a ridge flank hydrothermal system by Wheat, C.Geoffrey, Mottl, Michael J.

“…Warm hydrothermal springs were discovered on Baby Bare, which is an isolated basement outcrop on 3.5 Ma-old crust on the eastern flank of the Juan de Fuca…”
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Trace element and REE composition of a low-temperature ridge-flank hydrothermal spring by Wheat, C.Geoffrey, Mottl, Michael J., Rudnicki, Mark

“…Warm (25°C) hydrothermal springs have been sampled on Baby Bare, a basaltic outcrop on 3.5-Ma-old crust ∼100-km east of the Endeavor Segment of the Juan de…”
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Determination of manganese in seawater using flow injection analysis with on-line preconcentration and spectrophotometric detection by Resing, Joseph A, Mottl, Michael J

“…A highly sensitive method for the rapid determination of dissolved manganese II and total dissolvable manganese in seawater is described. On-line concentration…”
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