Results 221 to 230 of about 25,257 (286)

Carbon monoxide oxidizers in soils of different ages from Piton de la Fournaise volcano. [PDF]

open access: yesFEMS Microbiol Ecol
Wildbur C   +5 more
europepmc   +1 more source

Progressively Fenitised Schist and Carbonatitic Clasts From a Metasomatic Aureole Beneath the Alkalic Dunedin Volcano, Otago, New Zealand

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Clasts of albite‐porphyroblastic quartzofeldspathic schist, derived from the Otago Schist basement, occur within the Port Chalmers Breccia, a diatreme at the centre of the Dunedin stratovolcano, New Zealand. Schists have undergone varying degrees of replacement reactions (at temperatures of 300° to >500°C) producing hornfelses, with Ca‐ and K‐enriched ...
Alan F. Cooper
wiley   +1 more source

Vertical and Spatial Geochemical Variations of Nishinoshima Volcaniclastic Deposits, Japan, During Episode 4

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Nishinoshima is a volcanic island in the Ogasawara Arc that has exhibited intermittent activity since 2013, including four major eruptive episodes: 2013–2015 (Episode 1), 2017 (Episode 2), 2018 (Episode 3), and 2019–2020 (Episode 4). Previous studies reported a change in eruption style—from a Strombolian eruption with lava flows (Episode 1 to the early
Erika Tanaka   +4 more
wiley   +1 more source

Earthquake Rate Variability in the Auckland Volcanic Field Within a Long‐Duration Self‐Consistent Earthquake Catalogue

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 69, Issue 2, June 2026.
Eruptions in the Auckland Volcanic Field in Aotearoa New Zealand have not occurred since seismic monitoring began in Aotearoa New Zealand, but it is generally presumed that future eruptions from the Auckland Volcanic Field will be preceded by elevated rates of seismicity.
S. O’Hagan   +5 more
wiley   +1 more source

The Quality of Clarity: Lessons from the Sixty‐Year Struggle to Maintain the Purity of Lake Taupō

open access: yesKōtuitui: New Zealand Journal of Social Sciences Online, Volume 21, Issue 2, June 2026.
Sixty years of effort to protect the exceptionally clear water of Lake Taupō, the largest lake in Aotearoa New Zealand, show how environmental memory can help manage a cultural and natural resource. I describe how water clarity and quality in this lake have been protected, through managing soil erosion and phosphorus flows during the 1960s–1980s, and ...
Jonathan West
wiley   +1 more source

A Phase Field Model to Describe the Behavior of Volcanic Crystals

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.
ABSTRACT In this proceeding, a phase‐field model to describe the evolution of size, shape, and composition of volcanic crystals is introduced. It is built on top of an existing model for idealized spherical crystals but uses the phase‐field approach to investigate arbitrary initial shapes and considers the diffusion of diffusion elements as well as ...
Hendrik Holger Haddenhorst   +3 more
wiley   +1 more source

Complex eruption processes and deposits of basaltic fissures: insights from the ~37 ka Budj Bim volcanic complex, Southeastern Australia. [PDF]

open access: yesBull Volcanol
Kavanagh JL   +8 more
europepmc   +1 more source

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