| Answer | % Correct |
|---|---|
| Granite | 89%
|
| Basalt | 82%
|
| Andesite | 53%
|
| Gabbro | 52%
|
| Diorite | 50%
|
| Obsidian | 50%
|
| Rhyolite | 49%
|
| Pumice | 44%
|
| Peridotite | 28%
|
| Dolerite | 20%
|
| Microgranite | 11%
|
| Microdiorite | 7%
|