Petrogenesis and geodynamic significance of xenolithic eclogites

S Aulbach, KA Smart - Annual Review of Earth and Planetary …, 2023 - annualreviews.org
Kimberlite-borne xenolithic eclogites, typically occurring in or near cratons, have long been
recognized as remnants of Precambrian subducted oceanic crust that have undergone …

Compositions of kimberlite melts: A review of melt inclusions in kimberlite minerals

AV Golovin, VS Kamenetsky - Petrology, 2023 - Springer
The paper presents a comprehensive review of currently available data on melt inclusions
entrapped in minerals of kimberlites of different age and different provenance in ancient …

Fe3+ Distribution and Fe3+/ΣFe-Oxygen Fugacity Variations in Kimberlite-Borne Eclogite Xenoliths, with Comments on Clinopyroxene-Garnet Oxy-Thermobarometry

S Aulbach, AB Woodland, V Stagno… - Journal of …, 2022 - academic.oup.com
The valence state of iron in mantle-derived melts, such as mid-ocean ridge basalt, is a useful
proxy for oxygen fugacity (ƒ O2). On subduction, oceanic crust undergoes metamorphic …

Mantle transition zone-derived eclogite xenolith entrained in a diamondiferous Mesoproterozoic (∼ 1.1 Ga) kimberlite from the Eastern Dharwar Craton, India …

A Chatterjee, NVC Rao, R Pandey, A Pandey - Geological Magazine, 2023 - cambridge.org
Subduction-related kimberlite-borne eclogite xenoliths of the Precambrian age may provide
significant information about the evolution and recycling of a subducting crust as …

Origin of graphite–diamond-bearing eclogites from Udachnaya kimberlite pipe

DS Mikhailenko, S Aulbach, AV Korsakov… - Journal of …, 2021 - academic.oup.com
Kimberlite-borne mantle eclogites represent an important diamond source rock. Although
the origin and stability of diamond, as opposed to its low-pressure polymorph graphite, have …

Water in Omphacite and Garnet From Pristine Xenolithic Eclogite: TXfO2 Controls, Retentivity, and Implications for Electrical Conductivity and Deep H2O …

S Aulbach, R Stalder, M Massuyeau… - Geochemistry …, 2023 - Wiley Online Library
Kimberlite‐borne eclogite xenoliths having Precambrian oceanic crustal protoliths and
entrained from≥ 100 km depth can retain pristine geochemical features despite extended …

Carbonate melt interaction with natural eclogite at 6 GPa and 1100–1200 C: Implications for metasomatic melt composition in subcontinental lithospheric mantle

A Shatskiy, A Bekhtenova, IV Podborodnikov… - Chemical …, 2020 - Elsevier
Compositional ranges of carbonate melt s stable under PT conditions corresponding to the
base of subcontinental lithospheric mantle (SCLM) are limited by alkali-rich near-eutectic …

Eclogite varieties and their positions in the cratonic mantle lithosphere beneath siberian craton and archean cratons worldwide

I Ashchepkov, A Logvinova, Z Spetsius, H Downes… - Minerals, 2022 - mdpi.com
The pressure-temperature (PT) conditions and position of different groups of eclogites in the
sub-cratonic lithospheric mantle (SCLM) worldwide were established using clinopyroxene …

Ferric iron in eclogitic garnet and clinopyroxene from the V. Grib kimberlite pipe (NW Russia): evidence of a highly oxidized subducted slab

G Marras, D Mikhailenko, CA McCammon… - Journal of …, 2024 - academic.oup.com
Estimates of oxygen fugacity of eclogitic rocks are linked to the redox evolution of the
oceanic protolith during subduction and its residence in the lithospheric mantle, and, based …

Allanite in mantle eclogite xenoliths

DS Mikhailenko, S Aulbach, AS Stepanov… - Journal of …, 2024 - academic.oup.com
Abstract Rare-Earth Elements (REE) are key geochemical tracers of crust–mantle
differentiation, but there are few direct data on REE-rich minerals in mantle rocks. Here, we …