The thermal and deformational history of apollo 15418, A partly shock-melted lunar breccia
The Moon
By: Gordon L. Nord Jr., J.M. Christie, J.S. Lally, and A.H. Heuer
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Abstract
A thermal and mechanical history of lunar gabbroic anorthosite 15418 (1140g) has been deduced from petrographic examination of both exterior and interior thin sections and electron microprobe analysis and transmission electron microscopy of interior thin sections. We suggest that the rock underwent two major shock events - an early brecciation and annealing that produced a recrystallized breccia, followed by a second shock event that melted the surface of the rock, vitrified the interior plagioclase and heavily deformed the mafic phases. This latter shock even was also followed by annealing which crystallized the shock-produced glass and promoted recovery and recrystallization of the deformed crystalline phases. The complex mechanical and thermal history of 15418 compared with other ANT suite rocks at Spur Crater suggests that it had a different provenance. ?? 1977 D. Reidel Publishing Company, Dordrecht-Holland.
Suggested Citation
Nord, G.L., Christie, J., Lally, J., Heuer, A., 1977, The thermal and deformational history of apollo 15418, A partly shock-melted lunar breccia: The Moon, v. 17, no. 3, p. 217-231, https://doi.org/10.1007/BF00562197.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The thermal and deformational history of apollo 15418, A partly shock-melted lunar breccia |
| Series title | The Moon |
| DOI | 10.1007/BF00562197 |
| Volume | 17 |
| Issue | 3 |
| Year Published | 1977 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | The Moon |
| First page | 217 |
| Last page | 231 |