A Cenozoic Record of Deep Oceanic Zn Isotopic Composition in Ferromanganese Crusts

M Zhao, N Planavsky, X Wang, Y Zhang… - American Journal of …, 2023 - ajsonline.org
Water plays a critical role in erosion and sediment transport and this relationship is most
evident in the hyperarid Atacama Desert of Northern Chile, a region characterized by …

[HTML][HTML] Low-δ18O silicic magmas on Earth: A review

J Troch, BS Ellis, C Harris, O Bachmann… - Earth-Science …, 2020 - Elsevier
Silicic magmas play an important role in the formation of continental crust and are
responsible for some of the most hazardous volcanic eruptions on the planet. Low-δ 18 O …

No single model for supersized eruptions and their magma bodies

CJN Wilson, GF Cooper, KJ Chamberlain… - Nature Reviews Earth & …, 2021 - nature.com
Supereruptions are the largest explosive volcanic eruptions on Earth. They generate
catastrophic, widespread ash-fall blankets and voluminous ignimbrites, with accompanying …

Absence of low-δ18O magmas despite widespread assimilation of altered crust in a large magmatic and hydrothermal province

SM Rooyakkers, I Chambefort, K Faure… - … et Cosmochimica Acta, 2023 - Elsevier
Magmas with low δ 18 O values, which require a contribution of isotopically light oxygen
from hydrothermally altered rocks, are globally rare despite the common association of large …

The origin of rhyolitic magmas at Krafla Central Volcano (Iceland)

SM Rooyakkers, J Stix, K Berlo, M Petrelli… - Journal of …, 2021 - academic.oup.com
We present a detailed petrologic study of rhyolites from seven eruptions spanning the full (∼
190 ky) history of rhyolitic volcanism at Krafla volcano, northeast Iceland. The eruptions vary …

The occurrence of Neoproterozoic low δ18O igneous rocks in the northwestern margin of the South China Block: Implications for the Rodinia configuration

P Wu, SB Zhang, YF Zheng, QL Li, ZX Li, FY Sun - Precambrian Research, 2020 - Elsevier
Low δ 18 O felsic igneous rocks are reported for the first time in the northwestern margin of
the South China Block. Zircon U-Pb dating indicates that intermediate to felsic plutons were …

Tracking magma‐crust‐fluid interactions at high temporal resolution: Oxygen isotopes in young silicic magmas of the Taupō Volcanic Zone

SM Rooyakkers, K Faure, I Chambefort… - Geochemistry …, 2023 - Wiley Online Library
Oxygen isotopes are useful for tracing interactions between magmas, crustal rocks and
surface‐derived waters. We use them here to consider links between voluminous silicic …

Bimodal volcanic rocks in the northeastern margin of the Yangtze Block: Response to breakup of Rodinia supercontinent

X Yuan, M Niu, Q Cai, Q Wu, G Zhu, X Li, Y Sun, C Li - Lithos, 2021 - Elsevier
Mid-Neoproterozoic protoliths of high–ultrahigh-pressure metamorphic rocks in the
northeastern margin of the Yangtze Block preserve one of the best examples of 18 O …

[HTML][HTML] Obsidian clasts as sintered remnants of agglutination processes in volcanic conduits, evidence from the Pepom tephras (Sete Cidades), São Miguel, Azores

BS Ellis, A Pimentel, EA Cortes-Calderon, Z Moser… - Chemical …, 2023 - Elsevier
The youngest explosive eruptions of the Sete Cidades volcano, São Miguel, Azores, are
recorded by a series of relatively small-volume (< 0.03 to 0.13 km 3 DRE) trachytic …

Temperature-dependent variations in mineralogy, major element chemistry and the stable isotopes of boron, lithium and chlorine resulting from hydration of rhyolite …

JT Cullen, S Hurwitz, JD Barnes, JC Lassiter… - … et Cosmochimica Acta, 2019 - Elsevier
Rhyolite-hosted hydrothermal systems in the continental crust contain valuable energy and
mineral resources that make them of special interest across several scientific disciplines …