The use of SEM/EDS method in mineralogical analysis of ordinary chondritic meteorite
The aim of this study was to evaluate the potential of scanning electron microscopy coupled with energy dispersiveX-ray spectroscopy (SEM/EDS) for determination of mineral phases according to their stoichiometry and assessment of mineral composition of ...
Breda Mirtič, Urša Curk, Miloš Miler
doaj
Refractory inclusions as Type IA chondrule precursors: Constraints from melting experiments
Scott Whattam +3 more
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Trace elements in the silicate minerals of the Borodino Meteorite (Н5)
Major (EPMA) and trace (SIMS) element geochemistry in olivine, low-Са pyroxene and mesostasis from porphyritic and barred chondrules, as well as the pyroxene-olivine aggregate and matrix of equilibrated ordinary Borodino chondrite (Н5) is discussed. No
Kristina G. Sukhanova
doaj
Petrography and mineral chemistry of Escalón meteorite, an H4 chondrite, México
The Escalón meteorite, a crusted mass weighing 54.3 g, was recovered near Zona del Silencio in Escalón, state of Chihuahua, México. The stone is an ordinary chondrite belonging to the high iron group H, type 4.
Adela M. Reyes-Salas +7 more
doaj
Chondrule Dust Rim Growth: Influence of Restructuring Using Molecular Dynamics Simulations
We investigate the influence of disruptive collisions on chondrule rim growth, emphasizing the role of kinetic energy in determining the outcomes of these interactions.
Chuchu Xiang +4 more
doaj +1 more source
CO Self-Shielding as a Mechanism to Make 16O-Enriched Solids in the Solar Nebula
Photochemical self-shielding of CO has been proposed as a mechanism to produce solids observed in the modern, 16O-depleted solar system. This is distinct from the relatively 16O-enriched composition of the solar nebula, as demonstrated by the oxygen ...
Joseph A. Nuth, III +2 more
doaj +1 more source
Trace element geochemistry of ordinary chondrite chondrules: The type I/type II chondrule dichotomy [PDF]
Emmanuel Jacquet +2 more
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Trace element composition of silicate minerals from Kunashak Meteorite (L6)
Major (EPMA) and trace (SIMS) element geochemistry in the silicate minerals (olivine, pyroxene and plagioclase) of Kunashak equilibrated ordinary chondrite (L6) is described. No variations in the major element concentrations of the silicate minerals have
Kristina G. Sukhanova, Olga L. Galankina
doaj
Synthesis of Si-Fe Chondrule-like Dust Analogues in RF Discharge Plasmas
Chondrules are tiny particles that occur in stony meteorites and are considered as the building blocks of early asteroids and planets. It is believed that they were formed by the fast heating of the dust in the solar nebula.
Akdaulet Baikaliyev +10 more
doaj +1 more source
A radiative heating model for chondrule and chondrite formation [PDF]
W. Herbst, J. P. Greenwood
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