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Composition and structure of meteorites
Bulletin of the United States National Museum, 1930USNM_index ...
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Composition of Igneous Rocks, Stony Meteorites, and Iron Meteorites
1942ContentsPageTable 11. Average chemical analyses of certain types of plutonic igneous rocks (R. A. Daly)22. Approximate mineral compositions of principal types of plutonic igneous rocks (E. S. Larsen)33. Composition of stony meteorites (L. LaForge)44. Composition of iron meteorites and meteoritic iron (L.
R. A. Daly, E. S. Larsen, L. LaForge
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On the phase composition of meteorites
Journal of Geophysical Research, 1962Seventy-three chondrites were examined. Their content of metallic nickel-iron, troilite, chromite, and silicate was determined quantitatively by planimetric integration of polished sections with an integration ocular, type 1. More than 300 large polished sections were measured, constituting a total area of 3700 cm2.
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A Component of Primitive Nuclear Composition in Carbonaceous Meteorites
Science, 1973The oxygen of anhydrous, high-temperature minerals in carbonaceous meteorites is strongly depleted in the heavy stable isotopes 17 O and 18 O. The effect is the result of nuclear rather than chemical processes and probably results from the admixture of a component of almost pure ...
R N, Clayton, L, Grossman, T K, Mayeda
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Chemical composition of lunar meteorites and the lunar crust
Petrology, 2007The paper presents the first analyses of major and trace elements in 19 lunar meteorites newly found in Oman. These and literature data were used to assay the composition of highland, mare, and transitional (high- land-mare interface) regions of the lunar surface.
Demidova, Sveta +5 more
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The Average Composition of Meteoritic Iron*
Contributions of the Society for Research on Meteorites, 1946ABSTRACTAverage analyses are given by type and as a whole for iron meteorites (siderites, Si), based on selected analyses of 327 siderites. Average compositions are given also for pallasites (P), mesosiderites (Ms), and for the metallic part of chondrites (C).
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On the structure and composition of the Strathmore meteorite
Mineralogical Magazine and Journal of the Mineralogical Society, 1922The fall of this meteorite, which took place at 1.15 p.m. on December 8, 1917, was witnessed by many people over a large area. The circumstances were investigated immediately by Mr. Henry Coates who has given in a paper already published full and accurate details of the appearance of the meteorite as it described its path, the direction in which it ...
W. F. P. McLintock, F. R. Ennos
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A compositional classification scheme for meteoritic chondrules
Nature, 1992A compositionally based classification scheme for chondrules is proposed that will help in systematizing the wealth of data available and disentangling the effects of nebular and subsequent processes. The classification is not by texture or the composition of a single phase, or a mixture of these two, but rather is a comprehensive, systematic approach ...
Derek W. G. Sears +4 more
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Nitrogen isotopic compositions of iron meteorites
Geochimica et Cosmochimica Acta, 1993Iron meteorites analyzed in this study have nitrogen concentrations 70 microg/g or less and delta N-15 from -90 to +150 percent. Although the iron meteorites have a large range of delta N-15, most have values more negative than -50 percent. The nitrogen isotopic compositions were established by cosmochemical processes and were little modified by ...
Carol A Prombo, Robert N Clayton
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Condensation and the composition of iron meteorites
Earth and Planetary Science Letters, 1978Abstract The pressure-temperature conditions in the primordial nebula which could produce the observed Ni, Ga and Ge abundances in the major iron meteorite groups have been calculated assuming equilibrium condensation. Included in these calculations are the effect on the metal composition of Fe oxidation and sulphide formation during accretion, GeS ...
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