Results 231 to 240 of about 66,103 (324)

Phase Relations and Activities of (Mn, Ni)-Olivine Solid Solution in the Ternary System MnO--NiO--SiO2. [PDF]

open access: gold, 1996
Jian-Hong Huang   +10 more
openalex   +1 more source

Finite Element Method for Garnet Diffusion Chronometry

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 4, April 2025.
Abstract Crystal geometries and boundary conditions significantly influence garnet diffusion chronometry results, yet they are frequently overlooked and pose challenges in the resolution of the diffusion equation under these complexities. To address these challenges, we introduced the Finite Element Method (FEM).
Hailin Wu   +3 more
wiley   +1 more source

Microstructural features of chromitites and ultramafic rocks of the Almaz-Zhemchuzhina deposit (Kempirsai massif, Kazakhstan) according to electron backscatter diffraction (EBSD) studies

open access: yesЗаписки Горного института
Microstructural features of the main rock-forming minerals of host ultramafic rocks (olivine, orthopyroxene) and chrome spinel from ores of the Almaz-Zhemchuzhina deposit were studied using the electron backscatter diffraction method.
Dmitrii E. Saveliev   +2 more
doaj  

Late Paleozoic Diachronous Subduction Initiation of the SE Paleo‐Asian Ocean: Implications for Tectonic Transition From Passive to Active Continental Margin Along Northern North China Craton

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 4, April 2025.
Abstract Subduction initiation is fundamental to our understanding of plate tectonics. However, the mechanisms and processes of subduction initiation, especially at passive continental margins, are poorly understood due to limited geological records.
Hao Zeng   +3 more
wiley   +1 more source

Triggering the 2022 eruption of Mauna Loa. [PDF]

open access: yesNat Commun
Lynn KJ   +16 more
europepmc   +1 more source

Balancing Organic and Inorganic Carbon Dynamics in Enhanced Rock Weathering: Implications for Carbon Sequestration

open access: yesGlobal Change Biology, Volume 31, Issue 4, April 2025.
Enhanced rock weathering involves adding crushed silicate rock to soils, capturing atmospheric carbon dioxide by forming inorganic carbon. Despite significant inorganic carbon accumulation at the initial stage, this method can also trigger significant losses of soil organic carbon due to increased soil pH. However, with minerals weathering, they become
Kaiyu Lei   +5 more
wiley   +1 more source

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