Cryomagma ascent on Europa
Sign Up to like & getrecommendations! Published in 2018 at "Icarus"
DOI: 10.1016/j.icarus.2019.07.003
Abstract: Abstract Europa's surface exhibits morphological features which, associated with a low crater density, might be interpreted to have formed as a result of recent cryovolcanic activity. In particular, the morphology of smooth deposits covering parts… read more here.
Keywords: reservoir; cryomagma; surface; time scale ... See more keywords
Inferring magma ascent timescales and reconstructing conduit processes in explosive rhyolitic eruptions using diffusive losses of hydrogen from melt inclusions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2018.11.009
Abstract: Abstract We integrate field observations with geochemical data from quartz-hosted melt inclusions to develop a hydrogen diffusion-based method to shed light on timescales and conduit processes during the opening stages of two supereruptions. We focus… read more here.
Keywords: melt inclusions; diffusive losses; ascent; eruption ... See more keywords
Rheology of a KREEP analog magma: Experimental results applied to dike ascent through the lunar crust
Sign Up to like & getrecommendations! Published in 2020 at "Planetary and Space Science"
DOI: 10.1016/j.pss.2020.104941
Abstract: Abstract Among the Apollo returned samples were basaltic rocks belonging to the KREEP suite, which are thought to have been erupted ~4.1–3.9 Ga via dike propagation from the residual magmatic layer residing below the lunar crust… read more here.
Keywords: magma; rheology; ascent; lunar crust ... See more keywords
Ultrafast syn-eruptive degassing and ascent trigger high-energy basic eruptions
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-18580-8
Abstract: Lithium gradients in plagioclase are capable of recording extremely short-lived processes associated with gas loss from magmas prior to extrusion at the surface. We present SIMS profiles of the 7Li/30Si ion ratio in plagioclase crystals… read more here.
Keywords: ultrafast syn; eruptive degassing; magma; syn eruptive ... See more keywords
238U–230Th–226Ra–210Pb–210Po Disequilibria Constraints on Magma Generation, Ascent, and Degassing during the Ongoing Eruption of Kīlauea
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petrology"
DOI: 10.1093/petrology/egx051
Abstract: The timescales of magma genesis, ascent, storage and degassing at Kı̄lauea volcano, Hawai‘i are addressed by measuring U-series radionuclide abundances in lava and tephra erupted between 1982 and 2008. Most analyzed samples represent lavas erupted… read more here.
Keywords: rift zone; near equilibrium; eruption; ongoing eruption ... See more keywords
The Effect of Explicit Convection on Couplings between Rainfall, Humidity, and Ascent over Africa under Climate Change
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Climate"
DOI: 10.1175/jcli-d-19-0322.1
Abstract: The Hadley circulation and tropical rain belt are dominant features of African climate. Moist convection provides ascent within the rain belt, but must be parameterized in climate models, limiting predictions. Here, we use a pan-African… read more here.
Keywords: climate; convection; climate change; rainfall ... See more keywords
The ascent of water-rich magma and decompression heating: A thermodynamic analysis
Sign Up to like & getrecommendations! Published in 2019 at "American Mineralogist"
DOI: 10.2138/am-2019-6925
Abstract: Abstract The ascent of hydrous, silica-rich magmas from the lower crust drives volcanic eruptions, builds the upper crust, and concentrates metals such as Cu, Au, and Mo into ore deposits. Owing to the negative slope… read more here.
Keywords: water; ascent water; ascent; decompression heating ... See more keywords
Neurovascular Coupling Remains Intact During Incremental Ascent to High Altitude (4240 m) in Acclimatized Healthy Volunteers
Sign Up to like & getrecommendations! Published in 2018 at "Frontiers in Physiology"
DOI: 10.3389/fphys.2018.01691
Abstract: Neurovascular coupling (NVC) is the temporal link between neuronal metabolic activity and regional cerebral blood flow (CBF), supporting adequate delivery of nutrients. Exposure to high altitude (HA) imposes several stressors, including hypoxia and hypocapnia, which… read more here.
Keywords: response; pcav; neurovascular coupling; blood ... See more keywords