Characteristic
|
Pahoehoe
|
Aa
|
Slab pahoehoe
|
Rubbly pahoehoe
|
|---|---|---|---|---|
| Autobreccia flow top | -10 | 10 | 10 | 10 |
| Breccia flow base | -10 | 10 | 1 | 0 |
| Spinose aa clinker | -10 | 10 | 1 | -10 |
| Angular vesicles | -1 | 1 | 0 | 1 |
| Entrained clasts | -10 | 1 | 1 | 1 |
| Core pushing into breccia | 0 | 1 | 1 | 1 |
| Slabs in breccia | 0 | -1 | 10 | 1 |
| Welding in basal breccia | 0 | -1 | 0 | 0 |
| Intact pahoehoe lobes in breccia | 0 | -1 | -1 | 1 |
| Fragmented pahoehoe lobes | 0 | -1 | -1 | 10 |
| Jigsaw-fit clasts in breccia | 0 | -1 | 0 | 0 |
| Pahoehoe lobes (intact) | 1 | -10 | 0 | 1 |
| Glassy chill crust | 1 | -1 | 1 | 1 |
| Coherent upper vesicular crust | 10 | -1 | -1 | 10 |
| Coherent lower vesicular crust | 10 | -1 | -1 | 10 |
| Round vesicles | 1 | -1 | 0 | 1 |
| Horizontal vesicle sheet | 1 | 0 | 0 | 0 |
| Maximum possible score | 65 | 52 | 29 | 58 |