Every distinct environment - planet surface, individual cave, asteroid field is assigned one of the several environment configurations which reference various presets. A preset is a collection of possible rock compositions.
| Ship Value: 15 | ROC Value: 0 |
| Ship Value: 64 | ROC Value: 0 |
| Ship Value: 154 | ROC Value: 0 |
| Ship Value: 101 | ROC Value: 0 |
| Ship Value: 125 | ROC Value: 0 |
| Ship Value: 86 | ROC Value: 0 |
| Ship Value: 66 | ROC Value: 0 |
| Ship Value: 113 | ROC Value: 0 |
| Ship Value: 155 | ROC Value: 0 |
| Ship Value: 26 | ROC Value: 0 |
| Ship Value: 48 | ROC Value: 0 |
| Ship Value: 272 | ROC Value: 0 |
| Ship Value: 272 | ROC Value: 0 |
| Ship Value: 104 | ROC Value: 0 |
| Ship Value: 52 | ROC Value: 39 |
| Ship Value: 53 | ROC Value: 65 |
| Ship Value: 96 | ROC Value: 126 |
| Ship Value: 96 | ROC Value: 101 |
| Ship Value: 96 | ROC Value: 96 |
| Ship Value: 95 | ROC Value: 90 |
| Ship Value: 53 | ROC Value: 62 |
| Ship Value: 94 | ROC Value: 83 |
| Ship Value: 93 | ROC Value: 83 |
| Ship Value: 93 | ROC Value: 84 |
| Ship Value: 52 | ROC Value: 44 |
| Ship Value: 92 | ROC Value: 78 |
| Ship Value: 84 | ROC Value: 86 |
| Ship Value: 95 | ROC Value: 75 |