Thermomagnetic analysis of meteorites, 2. C2 chondrites
Earth and Planetary Science Letters
By: D.E. Watson, E.E. Larson, J.M. Herndon, and M.W. Rowe
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Abstract
Samples of all eighteen of the known C2 chondrites have been analyzed thermomagnetically. For eleven of these, initial Fe3O4 content is low (generally <1%) and theJs-T curves are irreversible. The heating curves show variable greater (up to 10 times) than it is initially. This behavior is attributed to the production of magnetite from a thermally unstable phase — apparently FeS. Four of the remaining seven C2 chondrites contain Fe3O4 as the only significant magnetic phase: initial magnetite contents range from 4 to 13%. The remaining three C2 chondrites contain iron or nickel-iron in addition to Fe3O4. These seven C2 chondrites show little evidence of the breakdown of a thermally unstable phase.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Thermomagnetic analysis of meteorites, 2. C2 chondrites |
| Series title | Earth and Planetary Science Letters |
| DOI | 10.1016/0012-821X(75)90167-3 |
| Volume | 27 |
| Issue | 1 |
| Year Published | 1975 |
| Language | English |
| Publisher | Elsevier |
| Description | 7 p. |
| First page | 101 |
| Last page | 107 |