Results 21 to 30 of about 28,419 (225)
Crust-Mantle Interaction Controls the Formation of High-Mg Adakitic Rocks: Evidence from Early Cretaceous Intrusive Complexes in Luxi Terrane, North China Craton [PDF]
Lithosphere, 2023 High-Mg adakite rocks preserve crucial information about the crust-mantle interactions during the magma evolution. The Luxi Terrane, southeastern North China Craton, stores a set of Early Cretaceous high-Mg adakite rocks; nevertheless, their petrogenesis
Songyan Liu +6 more
doaj +1 more source
Experimental mixing of hydrous magmas [PDF]
Chemical Geology, 2015 Deformation experiments involving hydrous magmas of different compositions (basalt and haplotonalite) have been performed in a Paterson press at 300 MPa, in the temperature range 600 °C–1020 °C, with water-saturated melts, during 2–4 h. Prior to deformation, the two end-member magmas were annealed at either 950 °C or 1000 °C, yielding magmas with ...
Laumonier, Mickaël +4 more
openaire +2 more sources
Linking the evolution of terrestrial interiors and an early outgassed atmosphere to astrophysical observations [PDF]
, 2019 A terrestrial planet is molten during formation and may remain so if subject to intense insolation or tidal forces. Observations continue to favour the detection and characterisation of hot planets, potentially with large outgassed atmospheres. We aim to
Bower, Dan J. +5 more
core +3 more sources
Glass in the submarine section of the HSDP2 drill core, Hilo, Hawaii [PDF]
, 2004 The Hawaii Scientific Drilling Project recovered ~3 km of basalt by coring into the flank of Mauna Kea volcano at Hilo, Hawaii. Rocks recovered from deeper than ~1 km were deposited below sea level and contain considerable fresh glass. We report electron
Baker, Michael +4 more
core +1 more source
Frontiers in Earth Science, 2021 The Huangyangshan A-type granitic pluton, distributed along the thrust fault in the Kalamaili region of East Junggar, Xinjiang, China, consists of alkaline granite containing abundant dioritic enclaves that formed via magma mixing.
Chenyang Ye +10 more
doaj +1 more source
Degassing history of water, sulfur, and carbon in submarine lavas from Kilauea volcano, Hawaii [PDF]
, 1991 Major, minor, and dissolved volatile element concentrations were measured in tholeiitic glasses from the submarine portion (Puna Ridge) of the east rift zone of Kilauea Volcano, Hawaii.
Clague, David A. +2 more
core +1 more source
Geosciences, 2013 Over the last forty years, research has revealed the importance of magma mixing as a trigger for volcanic eruptions, as well as its role in creating the diversity of magma compositions in arcs.
Guillermo E. Alvarado +3 more
doaj +1 more source
Frontiers in Earth Science, 2020 To understand the dynamics of magmatic systems, one must first seek to characterize the time-dependent behavior of magma storage and ascent. Herein, we do this through a combination of the Crystal System Approach and careful study of Fe-Mg interdiffusion
Clara Solaro +5 more
doaj +1 more source
Geochemistry, Geophysics, Geosystems, 2021 A systematic data set of petrography, mineralogy, geochronology, and geochemistry is reported for typical arc granitoids and associated mafic microgranular enclaves (MME) from the Chinese Altai, Central Asian Orogenic Belt.
Xing Cui +4 more
doaj +1 more source
Two Distinct Magma Storage Regions at Ambrym Volcano Detected by Satellite Geodesy
Geophysical Research Letters, 2023 The flux of eruptible magma into a magmatic plumbing system influences eruption size and timing. If magma transfer is possible between two hydraulically‐connected magma lenses, system destabilization can tap a larger magma volume than stored in any one ...
T. Shreve +4 more
doaj +1 more source