The Iceland microcontinent and a continental Greenland-Iceland-Faroe ridge

GR Foulger, T Doré, CH Emeleus, D Franke… - Earth-Science …, 2020 - Elsevier
The breakup of Laurasia to form the Northeast Atlantic Realm disintegrated an
inhomogeneous collage of cratons sutured by cross-cutting orogens. Volcanic rifted margins …

Deep formation of Earth's earliest continental crust consistent with subduction

AR Hastie, S Law, GD Bromiley, JG Fitton… - Nature …, 2023 - nature.com
About four billion years ago, Earth's outer layer is thought to have been composed mostly of
a 25-to 50-km-thick basaltic crust that differentiated to form the oldest stable continental …

Magmatism in the North Atlantic Igneous Province; mantle temperatures, rifting and geodynamics

MJ Hole, JH Natland - Earth-Science Reviews, 2020 - Elsevier
We have re-evaluated mantle potential temperature estimates for the North Atlantic Igneous
Province (NAIP). Temperature estimates involving olivine addition to pillow-lava glasses are …

Lithospheric thickness records tectonic evolution by controlling metamorphic conditions

ZJ Zhang, GX Chen, T Kusky, J Yang, QM Cheng - Science Advances, 2023 - science.org
The lithosphere, as the outermost solid layer of our planet, preserves a progressively more
fragmentary record of geological events and processes from Earth's history the further back …

Komatiites reveal a hydrous Archaean deep-mantle reservoir

AV Sobolev, EV Asafov, AA Gurenko, NT Arndt… - Nature, 2016 - nature.com
Archaean komatiites (ultramafic lavas) result from melting under extreme conditions of the
Earth's mantle. Their chemical compositions evoke very high eruption temperatures, up to …

Determination of Fe3+/ΣFe of XANES basaltic glass standards by Mössbauer spectroscopy and its application to the oxidation state of iron in MORB

HL Zhang, E Cottrell, PA Solheid, KA Kelley… - Chemical …, 2018 - Elsevier
To improve the accuracy of X-ray absorption near-edge structure (XANES) calibrations for
the Fe 3+/ΣFe ratio in basaltic glasses, we reevaluated the Fe 3+/ΣFe ratios of glasses used …

Primary magmas and mantle temperatures through time

J Ganne, X Feng - Geochemistry, Geophysics, Geosystems, 2017 - Wiley Online Library
Chemical composition of mafic magmas is a critical indicator of physicochemical conditions,
such as pressure, temperature, and fluid availability, accompanying melt production in the …

A calcium-in-olivine geohygrometer and its application to subduction zone magmatism

M Gavrilenko, C Herzberg, C Vidito, MJ Carr… - Journal of …, 2016 - academic.oup.com
High-precision electron microprobe analyses were obtained on olivine grains from
Klyuchevskoy, Shiveluch and Gorely volcanoes in the Kamchatka Arc; Irazú, Platanar and …

Highly variable magmatic accretion at the ultraslow-spreading Gakkel Ridge

T Zhang, J Li, X Niu, W Ding, Y Fang, J Lin, Y Wang… - Nature, 2024 - nature.com
Crustal accretion at mid-ocean ridges governs the creation and evolution of the oceanic
lithosphere. Generally accepted models,,–of passive mantle upwelling and melting predict …

Short duration of Early Permian Qiangtang-Panjal large igneous province: Implications for origin of the Neo-Tethys Ocean

W Dan, Q Wang, JB Murphy, XZ Zhang, YG Xu… - Earth and Planetary …, 2021 - Elsevier
Northward drift of the Cimmerian microcontinents and opening of the Neo-Tethys Ocean in
Early Permian are prominent events in northern Gondwana's protracted breakup history …