Results 141 to 150 of about 3,558 (195)
CHONDRITES AND THEIR COMPONENTS: RECORDS OF EARLY SOLAR SYSTEM PROCESSES. [PDF]
Meteorit Planet Sci, 2019 Krot AN.
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Data-driven classification of ordinary chondrites and asteroidal metal potential evaluation. [PDF]
Sci RepLiu TY +5 more
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Automated Mineralogy Analysis of the Apollo 17 73002 Continuous Core Thin Sections Using QEMSCAN Mapping Techniques. [PDF]
J Geophys Res PlanetsBell SK +7 more
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Time of proto-Earth reservoir formation and volatile element depletion from <sup>53</sup>Mn-<sup>53</sup>Cr chronometry. [PDF]
Sci AdvKruttasch PM, Mezger K.
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Meteoritics & Planetary Science, 2001
Abstract— Isotopic compositions and abundances of boron were measured in sixteen chondrules from seven chondrites by ion microprobe mass spectrometry. The chondrules are of the porphyritic, barred, and radial type and host meteorites include carbonaceous, ordinary, and enstatite chondrites.
Hoppe, P. +3 more
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Abstract— Isotopic compositions and abundances of boron were measured in sixteen chondrules from seven chondrites by ion microprobe mass spectrometry. The chondrules are of the porphyritic, barred, and radial type and host meteorites include carbonaceous, ordinary, and enstatite chondrites.
Hoppe, P. +3 more
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Annual Review of Earth and Planetary Sciences, 1997
▪ Abstract Chondrules are ∼1-mm igneous droplets in primitive meteorites, and their abundance suggests widespread melting in the protoplanetary disk. Chondrules with relict unmelted grains or igneous rims record multi111ple melting events. There are two main types of chondrules, type I (FeO-poor and volatile-poor) and type II [FeO-rich and ...
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▪ Abstract Chondrules are ∼1-mm igneous droplets in primitive meteorites, and their abundance suggests widespread melting in the protoplanetary disk. Chondrules with relict unmelted grains or igneous rims record multi111ple melting events. There are two main types of chondrules, type I (FeO-poor and volatile-poor) and type II [FeO-rich and ...
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Meteoritics, 1970
Very small chondrules, which are less than 250μ in size and are referred to as microchondrules, were discovered in twelve chondritic meteorites. The morphology, composition, and structure of these microchondritic bodies are investigated. In particular, the description of the principal, minor, and accessory minerals is given in some detail ...
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Very small chondrules, which are less than 250μ in size and are referred to as microchondrules, were discovered in twelve chondritic meteorites. The morphology, composition, and structure of these microchondritic bodies are investigated. In particular, the description of the principal, minor, and accessory minerals is given in some detail ...
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The dependence of chondrule density on chondrule size
Earth and Planetary Science Letters, 1980Spherical chondrules disaggregated from the meteorite Bjurbole have been found to have densities which vary as a function of size. The relationship is: ϱ = (3.78±0.06) − (1.25±0.37) d where ϱ is the chondrule density in g cm −3 and d is the diameter in cm.
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The frequency of compound chondrules and implications for chondrule formation
Meteoritics & Planetary Science, 2004Abstract— The properties of compound chondrules and the implications that they have for the conditions and environment in which chondrules formed are investigated. Formulae to calculate the probability of detecting compound chondrules in thin sections are derived and applied to previous studies.
Fred J. Ciesla +2 more
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