| Definition | = areological |
| OED requirements | antedating 1993 |
| Earliest cite | G. Bear 'Moving Mars' |
| Comment | Ralf Brown submitted a cite from Greg Bear's "Moving Mars"; Mike Christie verified the cite in the 1993 first edition. |
| Last modified | 8 March, 2005 |
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| 1993 G. Bear Moving Mars 368 | We've never designed stations to withstand heavy areologic activity. |