Igneous meteorites suggest Aluminium-26 heterogeneity in the early Solar Nebula

E Krestianinov, Y Amelin, QZ Yin, P Cary… - Nature …, 2023 - nature.com
The short-lived radionuclide aluminium-26 (26Al) isotope is a major heat source for early
planetary melting. The aluminium-26–magnesium-26 (26Al-26Mg) decay system also …

53Mn‐53Cr chronology and ε54Cr‐Δ17O genealogy of Erg Chech 002: The oldest andesite in the solar system

A Anand, PM Kruttasch… - Meteoritics & Planetary …, 2022 - Wiley Online Library
Abstract The meteorite Erg Chech (EC) 002 is the oldest felsic igneous rock from the solar
system analyzed to date and provides a unique opportunity to study the formation of felsic …

Impact Structures and Meteorites in North Africa

D Baratoux, L Folco - The Geology of North Africa, 2024 - Springer
The arid to semi-arid climate of northern African countries is an asset for the preservation of
meteorites and impact structures. The Sahara, the largest hot desert in the world, is …

A dunite fragment in meteorite Northwest Africa (NWA) 11421: A piece of the Moon's mantle

AH Treiman, J Semprich - American Mineralogist, 2023 - degruyter.com
A centimeter-sized fragment of dunite, the first recognized fragment of Moon mantle material,
has been discovered in the lunar highlands breccia meteorite Northwest Africa (NWA) …

Highly siderophile element fractionation during chondrite melting inferred from olivine-rich primitive achondrites

RW Nicklas, JMD Day, Z Váci, M Ren… - … et Cosmochimica Acta, 2023 - Elsevier
Metal-silicate segregation is one of the most fundamental mechanisms in planetary
differentiation, with primitive achondrites offering important constraints on this process …

Characterization of achondritic cosmic spherules from the Widerøefjellet micrometeorite collection (Sør Rondane Mountains, East Antarctica)

B Soens, SM Chernonozhkin, CG de Vega… - … et Cosmochimica Acta, 2022 - Elsevier
Achondritic micrometeorites represent one of the rarest (ca. 0.5–2.1%) particle types among
Antarctic micrometeorite collections. Here, we present major, trace element and oxygen …

An anorthositic meteorite supporting an ancient magma ocean on Vesta

S Li, D Zhang, Q Shu, H Bao, X Cao, J Liu, L Qin… - Nature …, 2024 - nature.com
The widespread occurrence of ferroan anorthosites and other magmatic rock types in Apollo
lunar samples directly contributed to the construction and development of modern planetary …

Fluid-assisted metasomatic processes on planetary bodies: Evidence from Vestan lithologies

T Shisseh, HC Aoudjehane, JA Barrat, B Zanda… - … et Cosmochimica Acta, 2023 - Elsevier
The mechanisms responsible for the formation of Fe-rich, metasomatic features in eucrites
and their debris in howardites are yet controversial. In this study, secondary phases found in …

Petrogenesis of the unbrecciated pigeonite cumulate eucrite Northwest Africa 8326: Bridging the gap between eucrites and diogenites

XW Liu, AC Zhang, LH Chen, L Zhang, XJ Wang… - … et Cosmochimica Acta, 2025 - Elsevier
Understanding of the diversity and petrogenesis of achondrites is critical for deciphering
magmatic processes and the early evolution of planets and asteroids. Here, we report the …

[HTML][HTML] Symplectite formation in ultramafic achondrites by impact percolation of a sulfide melt

Z Váci, PM Kruttasch, MJ Krawczynski… - … et Cosmochimica Acta, 2024 - Elsevier
The ungrouped dunitic achondrite Northwest Africa (NWA) 12,217 contains symplectic
spinel-pyroxene veins that are mineralogically identical to symplectites in other ultramafic …