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| » | aa. lava | 2013-09-01 |
| » | abu volkanik | 2013-09-01 |
| » | abyssal plain | 2013-09-01 |
| » | aglomerat | 2013-09-01 |
| » | air tanah | 2013-09-01 |
| » | akrasi | 2013-09-01 |
| » | akresi benua | 2013-09-01 |
| » | alluvial fan | 2013-09-01 |
| » | alluvium | 2013-09-01 |
| » | amfibolit | 2013-09-01 |
| » | amigdaloid | 2013-09-01 |
| » | amorf | 2013-09-01 |
| » | andesit | 2013-09-01 |
| » | andesitc magma | 2013-09-01 |
| » | andesite line | 2013-09-01 |
| » | angle of repose | 2013-09-01 |
| » | angular unconformity | 2013-09-01 |
| » | anortosit | 2013-09-01 |
| » | anteseden | 2013-09-01 |