[HTML][HTML] Interactions of magmas and highly reduced fluids during intraplate volcanism, Mt Carmel, Israel: Implications for mantle redox states and global carbon cycles
Oxygen fugacity (ƒO 2) controls the speciation of COH fluids in Earth's mantle; a major
question is whether the sublithospheric mantle is metal-saturated, maintaining ƒO 2 near the …
question is whether the sublithospheric mantle is metal-saturated, maintaining ƒO 2 near the …
Non-cratonic diamonds from UHP metamorphic terranes, ophiolites and volcanic sources
LF Dobrzhinetskaya… - … in Mineralogy and …, 2022 - pubs.geoscienceworld.org
The discovery of diamonds in metamorphic rocks of continental affinities occurred shortly
after the discovery of coesite in similar rocks. These important discoveries led to a revolution …
after the discovery of coesite in similar rocks. These important discoveries led to a revolution …
[HTML][HTML] Ultra-reduced phases in ophiolites cannot come from Earth's mantle
Several recent papers have purported to find ultra-reduced minerals—as natural examples—
within ophiolitic mantle sections, including SiC moissanite, Fe-Si alloys, various metal …
within ophiolitic mantle sections, including SiC moissanite, Fe-Si alloys, various metal …
Enigmatic super-reduced phases in corundum from natural rocks: Possible contamination from artificial abrasive materials or metallurgical slags
KD Litasov, H Kagi, TB Bekker - Lithos, 2019 - Elsevier
Recently a number of reports claimed enigmatic appearance of high-pressure and super-
reduced minerals in ophiolitic chromitite and peridotite. Diamond, moissanite, various metal …
reduced minerals in ophiolitic chromitite and peridotite. Diamond, moissanite, various metal …
[HTML][HTML] Natural iron silicides: A systematic review
MA Rappenglück - Minerals, 2022 - mdpi.com
This review systematically presents all finds of geogenic, impact-induced, and
extraterrestrial iron silicide minerals known at the end of 2021. The respective morphological …
extraterrestrial iron silicide minerals known at the end of 2021. The respective morphological …
[HTML][HTML] An alternative scenario on the origin of ultra-high pressure (UHP) and super-reduced (SuR) minerals in ophiolitic chromitites: A case study from the Mercedita …
The origin of the assemblage of ultra-high pressure (UHP), super-reduced (SuR) and
several crustally derived phases in ophiolitic chromitites is still hotly debated. In this paper …
several crustally derived phases in ophiolitic chromitites is still hotly debated. In this paper …
[HTML][HTML] Carbon and nitrogen isotopes and mineral inclusions in diamonds from chromitites of the Mirdita ophiolite (Albania) demonstrate recycling of oceanic crust …
W Wu, J Yang, R Wirth, J Zheng, D Lian, T Qiu… - American …, 2019 - degruyter.com
Geophysical investigations and laboratory experiments provide strong evidence for
subduction of ancient oceanic crust, and geological and mineralogical observations suggest …
subduction of ancient oceanic crust, and geological and mineralogical observations suggest …
Deep origin of mantle peridotites from the Aladağ ophiolite, Turkey: Implication from trace element geochemistry of pyroxenes and mineralogy of ophiolitic diamonds
HC Rui, JS Yang, DY Lian, WW Wu, GL Guo - Journal of Asian Earth …, 2022 - Elsevier
The Aladağ peridotites mainly consist of harzburgites with subordinary dunites. High olivine
Fo [100× Mg/(Mg+ Fe 2+)= 90.8–92.0] and spinel Cr#[100× Cr/(Cr+ Al)= 61.5–71.6] values …
Fo [100× Mg/(Mg+ Fe 2+)= 90.8–92.0] and spinel Cr#[100× Cr/(Cr+ Al)= 61.5–71.6] values …
Comparison of enigmatic diamonds from the Tolbachik arc volcano (Kamchatka) and Tibetan ophiolites: Assessing the role of contamination by synthetic materials
The enigmatic appearance of cuboctahedral diamonds in ophiolitic and arc volcanic rocks
with morphology and infrared characteristics similar to synthetic diamonds that were grown …
with morphology and infrared characteristics similar to synthetic diamonds that were grown …
Carbon and nitrogen isotope, and mineral inclusion studies on the diamonds from the Pozanti–Karsanti chromitite, Turkey
D Lian, J Yang, M Wiedenbeck, Y Dilek… - … to Mineralogy and …, 2018 - Springer
Abstract The Pozanti–Karsanti ophiolite (PKO) is one of the largest oceanic remnants in the
Tauride belt, Turkey. Micro-diamonds were recovered from the podiform chromitites, and …
Tauride belt, Turkey. Micro-diamonds were recovered from the podiform chromitites, and …