Search Results - "Muirhead, James D."

Displaced cratonic mantle concentrates deep carbon during continental rifting by Muirhead, James D., Fischer, Tobias P., Oliva, Sarah J., Laizer, Amani, van Wijk, Jolante, Currie, Claire A., Lee, Hyunwoo, Judd, Emily J., Kazimoto, Emmanuel, Sano, Yuji, Takahata, Naoto, Tiberi, Christel, Foley, Stephen F., Dufek, Josef, Reiss, Miriam C., Ebinger, Cynthia J.

“…Continental rifts are important sources of mantle carbon dioxide (CO 2 ) emission into Earth’s atmosphere 1 – 3 . Because deep carbon is stored for long…”
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The Impact of Climate‐Driven Lake Level Changes on Mantle Melting in Continental Rifts by Xue, Liang, Muirhead, James D., Moucha, Robert, Wright, Lachlan J. M., Scholz, Christopher A.

“…Climate cycles fundamentally control surface processes that affect the distribution of water and sediment, and their associated loads, across the Earth's…”
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Shallow magma diversions during explosive diatreme-forming eruptions by Le Corvec, Nicolas, Muirhead, James D., White, James D. L.

“…The diversion of magma is an important mechanism that may lead to the relocation of a volcanic vent. Magma diversion is known to occur during explosive…”
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Growth of volcanic ash aggregates in the presence of liquid water and ice: an experimental approach by Van Eaton, Alexa R., Muirhead, James D., Wilson, Colin J. N., Cimarelli, Corrado

“…Key processes influencing the aggregation of volcanic ash and hydrometeors are examined with an experimental method employing vibratory pan aggregation…”
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Massive and prolonged deep carbon emissions associated with continental rifting by Lee, Hyunwoo, Muirhead, James D., Fischer, Tobias P., Ebinger, Cynthia J., Kattenhorn, Simon A., Sharp, Zachary D., Kianji, Gladys

“…Transfer of CO 2 from Earth’s interior to the atmosphere happens largely by volcanic degassing. Measurements of CO 2 emissions from faults in the East African…”
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Lateral Magma Flow in Mafic Sill-complexes by Magee, Craig, Muirhead, James D, Karvelas, Alex, Holford, Simon P, Jackson, Christopher A-L, Bastow, Ian D., Schofield, Nick, Stevenson, Carl TE, McLean, Charlotte, McCarthy, William, Shtukert, Olga

“…<正>The structure of upper crustal magma plumbing systems controls the distribution of volcanism and influences tectonic processes.Delineating the…”
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Transition to magma-driven rifting in the south Turkana Basin; Part I by Muirhead, James. D, Scholz, Christopher A, Rooney, Tyrone

“…Characterizing the role of magma in driving rift basin evolution is fundamental for understanding how extensional plate boundaries develop. Here, we examine…”
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Transition to magma-driven rifting in the South Turkana Basin, Kenya: Part 1 by Muirhead, James D., Scholz, Christopher A., O. Rooney, Tyrone

“…Characterization of the role of magma in driving rift basin evolution is fundamental to our understanding of how extensional plate boundaries develop. Here, we…”
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Spatiotemporal Variations in Upper Crustal Extension Across the Different Basement Terranes of the Lake Tanganyika Rift, East Africa by Wright, Lachlan J. M., Muirhead, James D., Scholz, Christopher A.

“…Preexisting crustal heterogeneities are shown to influence rift process at a variety of scales. However, our understanding of how crustal inheritance…”
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Cracking the lid: Sill-fed dikes are the likely feeders of flood basalt eruptions by Muirhead, James D., Airoldi, Giulia, White, James D.L., Rowland, Julie V.

“…Although subparallel swarms of dikes are thought to be the primary feeders to voluminous volcanic eruptions, increasing recognition of volumetrically…”
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Heterogeneous Strain Distribution in the Malawi (Nyasa) Rift, East Africa: Implications for Rifting in Magma‐Poor, Multi‐Segment Rift Systems by Wright, Lachlan J. M., Scholz, Christopher A., Muirhead, James D., Shillington, Donna J.

“…Abstract Half‐graben basins bounded by border faults typify early‐stage continental rifts. Deciphering the role that intra‐rift faults play in rift basin…”
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Transition to magma-driven rifting in the South Turkana Basin, Kenya: Part 2 by Rooney, Tyrone O., Wallace, Paul J., Muirhead, James D., Chiasera, Brandon, Steiner, R. Alex, Girard, Guillaume, Karson, Jeffery A.

“…Strain localization is central to the transition between continental rifting and seafloor spreading. In the East African Rift System (EARS), there is an…”
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Transition to magma-driven rifting in the south Turkana Basin; Part 2 by Rooney, Tyrone O, Wallace, Paul J, Muirhead, James D, Chiasera, Brandon, Steiner, R. Alex, Girard, Guillaume, Karson, Jeffery A

“…Strain localization is central to the transition between continental rifting and seafloor spreading. In the East African Rift System (EARS) there is an…”
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Incipient rifting accompanied by the release of subcontinental lithospheric mantle volatiles in the Magadi and Natron basin, East Africa by Lee, Hyunwoo, Fischer, Tobias P., Muirhead, James D., Ebinger, Cynthia J., Kattenhorn, Simon A., Sharp, Zachary D., Kianji, Gladys, Takahata, Naoto, Sano, Yuji

“…Geochemical investigations of volatiles in hydrothermal systems are used to understand heat sources and subsurface processes occurring at volcanic-tectonic…”
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Monogenetic volcanoes fed by interconnected dikes and sills in the Hopi Buttes volcanic field, Navajo Nation, USA by Muirhead, James D., Van Eaton, Alexa R., Re, Giuseppe, White, James D. L., Ort, Michael H.

“…Although monogenetic volcanic fields pose hazards to major cities worldwide, their shallow magma feeders (<500 m depth) are rarely exposed and, therefore,…”
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Taupōinflate: illustrating detection limits of magmatic inflation below Lake Taupō by Ellis, Susan, Barker, Simon J., Wilson, Colin J. N., Hamling, I., Hreinsdottir, Sigrun, Illsley-Kemp, Finnigan, Mestel, Eleanor R. H., Muirhead, James D., Smith, Bubs, Leonard, Graham, Savage, Martha K., Villamor, Pilar, Otway, Peter

“…Lake Taupō (Taupō-nui-a-Tia) infills the composite caldera above an active rhyolitic magmatic system in the central Taupō Volcanic Zone (TVZ). Ground…”
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The Impact of Complex Volcanic Plumbing on the Nature of Seismicity in the Developing Magmatic Natron Rift, Tanzania by Reiss, Miriam Christina, Muirhead, James D., Laizer, Amani S., Link, Frederik, Kazimoto, Emmanuel O., Ebinger, Cynthia J., Rümpker, Georg

“…Constraining the architecture of complex 3D volcanic plumbing systems within active rifts, and their impact on rift processes, is critical for examining the…”
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Lacustrine fan delta deposition alongside intrabasinal structural highs in rift basins: an example from the Early Cretaceous Jiuquan Basin, Northwestern China by Zhang, Chengcheng, Muirhead, James D., Wang, Hua, Chen, Si, Liao, Yuantao, Lu, Zongsheng, Wei, Jun

“…Development of fan deltas alongside intrabasinal structural highs has been overlooked compared to those forming on basin margins. However, these fan deltas may…”
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Subterranean fragmentation of magma during conduit initiation and evolution in the shallow plumbing system of the small-volume Jagged Rocks volcanoes (Hopi Buttes Volcanic Field, Arizona, USA) by Re, Giuseppe, White, James D. L., Muirhead, James D., Ort, Michael H.

“…Monogenetic volcanoes have limited magma supply and lack long-lived sustained magma plumbing systems. They erupt once, often from multiple vents and sometimes…”
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Emplacement process of Ferrar Dolerite sheets at Allan Hills (South Victoria Land, Antarctica) inferred from magnetic fabric by Airoldi, Giulia, Muirhead, James D., Zanella, Elena, White, James D. L.

“…SUMMARY We analyse 10 representative intrusions from two sets of inclined diabase (Ferrar Dolerite) sheets exposed at Allan Hills (South Victoria Land,…”
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