Experimental evidence for shear‐induced melting and generation of stishovite in granite at low (< 18 GPa) shock pressure

C Hamann, K Kurosawa, H Ono, T Tada… - Journal of …, 2023 - Wiley Online Library
Abstract Knowledge of the shock behavior of planetary materials is essential to interpret
shock metamorphism documented in rocks at hypervelocity impact structures on Earth, in …

A machine learning classification of meteorite spectra applied to understanding asteroids

MD Dyar, SM Wallace, TH Burbine, DR Sheldon - Icarus, 2023 - Elsevier
Understanding the distribution of matter within our Solar System requires a robust
methodology for evaluating the composition of small objects in the asteroid belt. Existing …

NWA 11562: A Unique Ureilite with Extreme Mg-rich Constituents

M Li, K Zhu, Y Fan, PM Ranjith, C Wang… - The Planetary Science …, 2024 - iopscience.iop.org
A comprehensive study of an ungrouped achondrite meteorite, North West Africa (NWA)
11562, was conducted, involving petrology, mineralogy, and mass-independent chromium …

Distinguishing between shock-darkening and space-weathering trends in ordinary chondrite reflectance spectra

T Kohout, A Penttilä, P Mann, E Cloutis… - The Planetary …, 2020 - iopscience.iop.org
Abstract Space-weathering as well as shock effects can darken meteorite and asteroid
reflectance spectra. We present a detailed comparative study on shock-darkening and …

Predicting asteroid types: Importance of individual and combined features

H Klimczak, W Kotłowski, D Oszkiewicz… - Frontiers in Astronomy …, 2021 - frontiersin.org
Asteroid taxonomies provide a link to surface composition and mineralogy of those objects,
although that connection is not fully unique. Currently, one of the most commonly used …

Bulk synthesis of stoichiometric/meteoritic troilite (FeS) by high‐temperature pyrite decomposition and pyrrhotite melting

JG Moreau, A Jõeleht, J Aruväli… - … & Planetary Science, 2022 - Wiley Online Library
Stoichiometric troilite (FeS) is a common phase in differentiated and undifferentiated
meteorites. It is the endmember of the iron sulfide system. Troilite is important for …

A shock recovery experiment and its implications for Mercury's surface: The effect of high pressure on porous olivine powder as a regolith analog

AN Stojic, A Morlok, P Tollan, T Kohout, J Hermann… - Icarus, 2021 - Elsevier
We conducted classic dynamic high-pressure experiments on porous San Carlos (SC)
olivine powder to examine if and how different shock stages modify corresponding …

[HTML][HTML] Heat diffusion in numerically shocked ordinary chondrites and its contribution to shock melting

JG Moreau, S Schwinger - Physics of the Earth and Planetary Interiors, 2021 - Elsevier
High pressure shock metamorphism in ordinary chondrites involves heating and melting of
individual phases from shock entropy, pore collapse, frictional heating, and heat transfer …

The Population of Small Near-Earth Objects: Composition, Source Regions, and Rotational Properties

JA Sanchez, V Reddy, A Thirouin… - The Planetary …, 2024 - iopscience.iop.org
The study of small (< 300 m) near-Earth objects (NEOs) is important because they are more
closely related than larger objects to the precursors of meteorites that fall on Earth …

The anomalous polymict ordinary chondrite breccia of Elmshorn (H3‐6)—Late reaccretion after collision between two ordinary chondrite parent bodies, complete …

A Bischoff, M Patzek, RML Alosius… - … & Planetary Science, 2024 - Wiley Online Library
Abstract Elmshorn fell April 25, 2023, about 30 km northwest of the city of Hamburg
(Germany). Shortly after the fall, 21 pieces were recovered totaling a mass of 4277 g …