Material cache (fossilised bone)
Loot
| Item | Quantity | Chance per roll |
|---|---|---|
 Fossilised bone[{'content': 'Only for successful excavations.'}] | 1 | Always |
 Tetracompass piece (left)[{'content': 'Tetracompass pieces are always dropped in order: tetracompass piece (left), tetracompass piece (right), tetracompass piece (dial), tetracompass piece (needle).', 'name': 'tetracompass'}] | 1 | 1/1,500 |
 Tetracompass piece (right)[{'content': 'Tetracompass pieces are always dropped in order: tetracompass piece (left), tetracompass piece (right), tetracompass piece (dial), tetracompass piece (needle).', 'name': 'tetracompass'}] | 1 | 1/1,500 |
 Tetracompass piece (dial)[{'content': 'Tetracompass pieces are always dropped in order: tetracompass piece (left), tetracompass piece (right), tetracompass piece (dial), tetracompass piece (needle).', 'name': 'tetracompass'}] | 1 | 1/1,500 |
 Tetracompass piece (needle)[{'content': 'Tetracompass pieces are always dropped in order: tetracompass piece (left), tetracompass piece (right), tetracompass piece (dial), tetracompass piece (needle).', 'name': 'tetracompass'}] | 1 | 1/1,500 |
 Complete tome[{'content': "Complete tome drop rate given by the expression \\frac{L+81 }{250,000} , where L is the player's Archaeology level.", 'name': 'tome-81'}] | 1 | 1/3,049 |
 Sealed clue scroll (medium)[] | 1 | 20/500,000 |
 Sealed clue scroll (hard)[] | 1 | 50/500,000 |
 Sealed clue scroll (elite)[] | 1 | 2,970/50,000,000 |
 Sealed clue scroll (master)[] | 1 | 30/50,000,000 |