| Original language | English |
|---|---|
| Pages (from-to) | 487-497 |
| Number of pages | 11 |
| Journal | Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms |
| Volume | 32 |
| Issue number | 1-4 |
| DOIs | |
| State | Published - May 2 1988 |
| Externally published | Yes |
Funding
This work is supported by the Department of Energy, Office of Basic Energy Sciences, grant DE-FGOC 84ER45099. The analytical work was completed in the Electron Microbeam Analysis Facility of the Department of Geology and Institute of Meteoritics at the University of New Mexico, supported in part by the NSF, NASA, DOE-BES and the State of New Mexico. This paper has benefitted from detailed reviews by W. Lutze and Hj. Matzke.