Results 191 to 200 of about 8,403 (204)

Rubidium isotopic compositions of angrites controlled by extensive evaporation and partial recondensation. [PDF]

Proc Natl Acad Sci U S A
Wang B, Moynier F, Hu Y.
europepmc   +1 more source

Chromium isotopes in CR chondrites reveal two distinct chondrule reservoirs

Aryavart Anand, Klaus Mezger
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Spinel in CV chondrules: Investigating precursor legacy and chondrule thermal histories

Meteoritics & Planetary Science, 2022
In carbonaceous chondrites, Mg‐spinel (MgAl2O4) grains are ubiquitous in refractory inclusions but rarely reported in chondrules, where they may correspond to minerals either (i) inherited from chondrule precursors or (ii) crystallized from chondrule ...
N. Schnuriger, C. Cartier, J. Villeneuve, V. Batanova, Maxence Regnault, Y. Marrocchi   +5 more
semanticscholar   +1 more source

Oxygen isotope systematics of chondrules in Rumuruti chondrites: Formation conditions and genetic link with ordinary chondrites

Meteoritics and Planetary Science, 2021
Rumurutiites (R chondrites) are rare, highly oxidized chondrites belonging to the noncarbonaceous superclan and characterized by low chondrule abundances.
Maxence Regnault, Y. Marrocchi, M. Piralla, J. Villeneuve, V. Batanova, N. Schnuriger, E. Jacquet   +6 more
semanticscholar   +1 more source

Size‐frequency distributions and physical properties of chondrules from x‐ray computed microtomography and digital data extraction

Microscopy research and technique (Print), 2021
Within this work, we present the first true three‐dimensional (3D) analysis of chondrule size. Knowledge about the physical properties of chondrules is important for validating astrophysical theories concerning chondrule formation and their aggregation ...
J. Friedrich, Matthiew M Chen, Stephanie A Giordano, Olivia K Matalka, J. W. Strasser, K. A. Tamucci, M. Rivers, D. Ebel   +7 more
semanticscholar   +1 more source

Laser microprobe noble gases and nitrogen analysis of chondrules from the Dhajala chondrite

Meteoritics and Planetary Science, 2020
Noble gases and nitrogen are investigated in eight individual chondrules of the Dhajala H3.8 chondrite. The mean cosmic ray exposure age of the chondrules using 21Ne and 38Ar is 5.9 ± 3.0 Ma.
R. R. Mahajan
semanticscholar   +1 more source

The Spatial Origin of Chondrules in Individual Chondrites: Constraints from Modeling Chondrule Mixing

Astrophysical Journal, 2018
Chondrules are a major component of chondritic meteorites and potentially populated the entire protoplanetary disk before planet formation. Chondrules provide insights into the physical and chemical evolution of the protoplanetary disk.
D. Hezel, E. Parteli
semanticscholar   +1 more source

Origin of Al-rich chondrules in CV chondrites: Incorporation of diverse refractory components into the ferromagnesian chondrule-forming region

, 2020
Mingming Zhang, Yangting Lin, G. Tang, Yu Liu, I. Leya   +4 more
semanticscholar   +1 more source

Chondrules

, 2018
R. Jones.
semanticscholar   +1 more source

Mineralogically zoned chondrules in ordinary chondrites as evidence for open system chondrule behaviour

Geochimica et Cosmochimica Acta, 2019
J. Barosch, D. Hezel, D. Ebel, P. Friend
semanticscholar   +1 more source